To order the special service tools used and
illustrated, please refer to the instructions on
inside back cover.
NO PART OF THIS PUBLICATION MAY BE
REPRODUCED,STOREDINARETRIEVAL
SYSTEM, OR TRANSMITTED, IN ANY FORM OR
BY ANY MEANS, ELECTRONIC, MECHANICAL,
PHOTOCOPYING, RECORDING, OR OTHERWISE,
WITHOUT THE PRIOR WRITTEN PERMISSION
OF DAIMLERCHRYSLER CORPORATION.
DaimlerChrysler Corporation reserves the right to make changes in design or
to make additions to or improvements in its products without imposing any
obligations upon itself to install them on its products previously manufactured.
This manual is designed as a supplement to be used along with the 2004 Sebring/Stratus Service Manual,
81-270-04025. For diagnosis or service procedures relating to other components or systems not in this manual,
refer to the 2004 Sebring/Stratus Service Manual.
The information contained in this service manual has been prepared for the professional automotive technician involved in daily repair operations. Information describing the operation and use of standard and
optional equipment is included in the Owner’s Manual provided with the vehicle.
Information in this manual is divided into groups. These groups contain description, operation, diagnosis,
testing, adjustments, removal, installation, disassembly, and assembly procedures for the systems and components. To assist in locating a group title page, use the Group Tab Locator by clicking to the following page. The
solid bar after the group title is aligned to a solid tab on the first page of each group. The first page of the
group has a contents section that lists major topics within the group. If you are not sure which Group contains
the information you need, look up the Component/System in the alphabetical index located in the rear of this
manual.
A Service Manual Comment form is included at the rear of this manual. Use the form to provide
DaimlerChrysler Corporation with your comments and suggestions.
Tightening torques are provided as a specific value throughout this manual. This value represents the
midpoint of the acceptable engineering torque range for a given fastener application. These torque values are
intended for use in service assembly and installation procedures using the correct OEM fasteners. When
replacing fasteners, always use the same type (part number) fastener as removed.
DaimlerChrysler Corporation reserves the right to change testing procedures, specifications, diagnosis,
repair methods, or vehicle wiring at any time without prior notice or incurring obligation.
Page 3
Welcome
Service Manual
Gas Powertrain
Body
Chassis
Transmission
2004 JR Sebring/Stratus Sedan and Convertible
Technical Publications
Click on the icon for the desired manual
Page 4
8A
8B
8E
8F
8G
8H
8I
8J
8L
8M
8N
8O
8P
8Q
8R
8W
11
13
14
19
21
22
23
24
25
GROUP TAB LOCATOR
Introduction
Lubrication & Maintenance
0
Suspension
2
Differential & Driveline
3
Brakes
5
Clutch
6
Cooling
7
Audio/Video
Chime/Buzzer
Electronic Control Modules
Engine Systems
Heated Systems
Horn
Ignition Control
Instrument Cluster
Lamps
Message Systems
Power Systems
Restraints
Speed Control
Vehicle Theft Security
Wipers/Washers
Wiring
Engine
9
Exhaust System
Frame & Bumpers
Fuel System
Steering
Transaxle
Tires/Wheels
Body
Heating & Air Conditioning
Emissions Control
Component and System Index
Service Manual Comment Forms(Rear of Manual)
Page 5
Page 6
JRINTRODUCTION1
INTRODUCTION
TABLE OF CONTENTS
pagepage
BODY CODE PLATE
DESCRIPTION..........................1
FASTENER IDENTIFICATION
DESCRIPTION..........................2
FASTENER USAGE
DESCRIPTION
DESCRIPTION - FASTENER USAGE........5
DESCRIPTION - THREADED HOLE REPAIR. . 5
INTERNATIONAL SYMBOLS
DESCRIPTION..........................5
METRIC SYSTEM
DESCRIPTION..........................5
BODY CODE PLATE
DESCRIPTION
The Body Code Plate (Fig. 1) is located in the
engine compartment on the driver side strut tower.
There are seven lines of information on the body code
plate. Lines 4, 5, 6, and 7 are not used to define service information. Information reads from left to right,
starting with line 3 in the center of the plate to line
1 at the bottom of the plate.
TORQUE REFERENCES
DESCRIPTION..........................8
VEHICLE IDENTIFICATION NUMBER
DESCRIPTION..........................9
VEHICLE SAFETY CERTIFICATION LABEL
DESCRIPTION.........................10
E-MARK LABEL
DESCRIPTION.........................10
VECI LABEL
DESCRIPTION.........................11
MANUFACTURER PLATE
DESCRIPTION.........................11
BODY CODE PLATE LINE 2
DIGITS 1, 2, AND 3
Paint procedure
DIGIT 4
Open Space
DIGITS 5 THROUGH 7
Primary paint
(Refer to 23 - BODY/PAINT - SPECIFICATIONS)
for Body Color Codes.
DIGIT 8 AND 9
Open Space
DIGITS 10 THROUGH 12
Secondary Paint
DIGIT 13 AND 14
Open Space
DIGITS 15 THROUGH 18
Interior Trim Code
Fig. 1 BODY CODE PLATE
1 - PRIMARY PAINT
2 - SECONDARY PAINT
3 - VINYL ROOF
4 - VEHICLE ORDER NUMBER
5 - CAR LINE SHELL
6 - PAINT PROCEDURE
7 - ENGINE
8 - TRIM
9 - TRANSMISSION
10 - MARKET
11 - VIN
DIGIT 19
Open Space
DIGITS 20, 21, AND 22
Engine Code
• ECC = 2.0L Four Cylinder 16 Valves DOHC
Gasoline
Page 7
2INTRODUCTIONJR
BODY CODE PLATE (Continued)
• EDV = 2.4L Four Cylinder 16 Valves DOHC
Gasoline TURBO
• EDZ = 2.4L Four Cylinder 16 Valves DOHC Gas-
oline
• EEE = 2.7L Six Cylinder 24 Valves FFV
• EER = 2.7L Six Cylinder 24 Valves DOHC Gas-
oline
DIGIT 23
Open Space
BODY CODE PLATE LINE 1
DIGITS 1, 2, AND 3
Transaxle Codes
• DGL = 41TE 4-Speed Electronic Automatic
Transaxle
• DD5 = NV T350 5-Speed Manual Transaxle
• DDR = NV T850 5-Speed Manual Transaxle
DIGIT 4
Open Space
DIGIT 5
Market Code
• C = Canada
• B = International
• M = Mexico
• U = United States
DIGIT 6
Open Space
DIGITS 7 THROUGH 23
Vehicle Identification Number
• Refer to Vehicle Identification Number (VIN)
paragraph for proper breakdown of VIN code.
IF TWO BODY CODE PLATES ARE REQUIRED
The last code shown on either plate will be followed by END. When two plates are required, the
last code space on the first plate will indicate (CTD)
When a second plate is required, the first four
spaces of each line will not be used due to overlap of
the plates.
FASTENER IDENTIFICATION
DESCRIPTION
The SAE bolt strength grades range from grade 2
to grade 8. The higher the grade number, the greater
the bolt strength. Identification is determined by the
line marks on the top of each bolt head. The actual
bolt strength grade corresponds to the number of line
marks plus 2. The most commonly used metric bolt
strength classes are 9.8 and 10.9. The metric
strength class identification number is imprinted on
the head of the bolt. The higher the class number,
the greater the bolt strength. Some metric nuts are
imprinted with a single-digit strength class on the
nut face. Refer to the Fastener Identification and
Fastener Strength Charts (Fig. 2) and (Fig. 3).
Page 8
JRINTRODUCTION3
FASTENER IDENTIFICATION (Continued)
Fig. 2 FASTENER IDENTIFICATION
Page 9
4INTRODUCTIONJR
FASTENER IDENTIFICATION (Continued)
Fig. 3 FASTENER STRENGTH
Page 10
JRINTRODUCTION5
FASTENER USAGE
DESCRIPTION
DESCRIPTION - FASTENER USAGE
WARNING: USE OF AN INCORRECT FASTENER
MAY RESULT IN COMPONENT DAMAGE OR PERSONAL INJURY.
Fasteners and torque specifications references in
this Service Manual are identified in metric and SAE
format.
During any maintenance or repair procedures, it is
important to salvage all fasteners (nuts, bolts, etc.)
for reassembly. If the fastener is not salvageable, a
fastener of equivalent specification must be used.
DESCRIPTION - THREADED HOLE REPAIR
Most stripped threaded holes can be repaired using
a Helicoilt. Follow the vehicle or Helicoilt recommendations for application and repair procedures.
INTERNATIONAL SYMBOLS
DESCRIPTION
The graphic symbols illustrated in the following
International Control and Display Symbols Chart
(Fig. 4) are used to identify various instrument controls. The symbols correspond to the controls and displays that are located on the instrument panel.
METRIC SYSTEM
DESCRIPTION
The metric system is based on quantities of one,
ten, one hundred, one thousand and one million.
The following chart will assist in converting metric
units to equivalent English and SAE units, or vise
versa.
1 inch = 25 Millimeters1 Cubic Inch = 16 Cubic Centimeters
1 Foot = 0.3 Meter1 Cubic Foot = 0.03 Cubic Meter
1 Yard = 0.9 Meter1 Cubic Yard = 0.8 Cubic Meter
1 Mile = 1.6 Kilometers
Refer to the Metric Conversion Chart to convert
torque values listed in metric Newton- meters (N·m).
Also, use the chart to convert between millimeters
(mm) and inches (in.) (Fig. 5).
Page 12
JRINTRODUCTION7
METRIC SYSTEM (Continued)
Fig. 5 METRIC CONVERSION CHART
Page 13
8INTRODUCTIONJR
TORQUE REFERENCES
DESCRIPTION
Individual Torque Charts appear within many or
the Groups. Refer to the Standard Torque Specifica-
tions Chart for torque references not listed in the
individual torque charts (Fig. 6).
Fig. 6 TORQUE SPECIFICATIONS
Page 14
JRINTRODUCTION9
VEHICLE IDENTIFICATION
NUMBER
DESCRIPTION
The Vehicle Identification Number (VIN) is located
on the upper left corner of the instrument panel,
near the left windshield pillar (Fig. 7). The VIN consists of 17 characters in a combination of letters and
numbers that provide specific information about the
vehicle. Refer to VIN Code Breakdown table for
decoding information.
12 through 17Sequence Number6 digit number assigned by assembly plant.
VIN CHECK DIGIT
DESCRIPTION
To protect the consumer from theft and possible
fraud the manufacturer is required to include a
Check Digit at the ninth position of the Vehicle Identification Number. The check digit is used by the
manufacturer and government agencies to verify the
authenticity of the vehicle and official documentation. The formula to use the check digit is not
released to the general public.
VEHICLE SAFETY
CERTIFICATION LABEL
DESCRIPTION
A vehicle safety certification label is attached to
the rear shutface of the driver’s door (Fig. 8). This
label indicates date of manufacture (month and
year), Gross Vehicle Weight Rating (GVWR), Gross
Axle Weight Rating (GAWR) front, Gross Axle Weight
Rating (GAWR) rear and the Vehicle Identification
Number (VIN). The Month, Day and Hour of manufacture is also included.
All communications or inquiries regarding the
vehicle should include the Month-Day-Hour and
Vehicle Identification Number.
E-MARK LABEL
DESCRIPTION
An E-mark Label (Fig. 9) is located on the rear
shut face of the driver’s door. The label contains the
following information:
• Date of Manufacture
• Month-Day-Hour (MDH)
• Vehicle Identification Number (VIN)
• Country Codes
• Regulation Number
Fig. 8 VEHICLE SAFETY CERTIFICATION LABEL -
TYPICAL
• Regulation Amendment Number
• Approval Number
Fig. 9 E-MARK LABEL
1 - COUNTRY CODE
2 - REGULATION NUMBER
3 - APPROVAL NUMBER
4 - AMENDMENT NUMBER
Page 16
JRINTRODUCTION11
VECI LABEL
DESCRIPTION
All models have a Vehicle Emission Control Information (VECI) Label. Chrysler permanently attaches
the label in the engine compartment. It cannot be
removed without defacing information and destroying
the label.
The label contains the vehicle’s emission specifications and vacuum hose routings. All hoses must be
connected and routed according to the label.
MANUFACTURER PLATE
DESCRIPTION
The Manufacturer Plate (Fig. 10) is located in the
engine compartment on the passenger side rear corner of the hood. The plate contains five lines of information:
1. Vehicle Identification Number (VIN)
2. Gross Vehicle Mass (GVM)
3. Gross Train Mass (GTM)
4. Gross Front Axle Rating (GFAR)
5. Gross Rear Axle Rating (GRAR)
Fig. 10 MANUFACTURER PLATE
Page 17
Page 18
JRLUBRICATION & MAINTENANCE0 - 1
LUBRICATION & MAINTENANCE
TABLE OF CONTENTS
pagepage
INTERNATIONAL SYMBOLS
DESCRIPTION..........................1
FLUID TYPES
DESCRIPTION
DESCRIPTION - ENGINE OIL AND
LUBRICANTS .........................1
DESCRIPTION - ENGINE COOLANT........3
DESCRIPTION - FLEXIBLE FUEL VEHICLES
(2.7L ENGINES ONLY)...................3
DESCRIPTION - AUTOMATIC/MANUAL
TRANSAXLE FLUID .....................4
DESCRIPTION - FUEL REQUIREMENTS.....5
FLUID CAPACITIES
SPECIFICATIONS
FLUID CAPACITIES.....................6
INTERNATIONAL SYMBOLS
DESCRIPTION
DaimlerChrysler Corporation uses international
symbols to identify engine compartment lubricant
and fluid inspection and fill locations (Fig. 1).
Fig. 1 INTERNATIONAL SYMBOLS
FLUID FILL/CHECK LOCATIONS
DESCRIPTION..........................6
LUBRICATION POINTS
DESCRIPTION..........................6
MAINTENANCE SCHEDULES
DESCRIPTION
DESCRIPTION........................7
DESCRIPTION - EXPORT...............13
HOISTING
STANDARD PROCEDURE - HOISTING.......17
JUMP STARTING
STANDARD PROCEDURE - JUMP STARTING. 17
TOWING
STANDARD PROCEDURE - TOWING........18
FLUID TYPES
DESCRIPTION
DESCRIPTION - ENGINE OIL AND LUBRICANTS
WARNING: NEW OR USED ENGINE OIL CAN BE
IRRITATING TO THE SKIN. AVOID PROLONGED OR
REPEATED SKIN CONTACT WITH ENGINE OIL.
CONTAMINANTS IN USED ENGINE OIL, CAUSED BY
INTERNAL COMBUSTION, CAN BE HAZARDOUS TO
YOUR HEALTH. THOROUGHLY WASH EXPOSED
SKIN WITH SOAP AND WATER. DO NOT WASH
SKIN WITH GASOLINE, DIESEL FUEL, THINNER, OR
SOLVENTS, HEALTH PROBLEMS CAN RESULT. DO
NOT POLLUTE, DISPOSE OF USED ENGINE OIL
PROPERLY. CONTACT YOUR DEALER OR GOVERNMENT AGENCY FOR LOCATION OF COLLECTION
CENTER IN YOUR AREA.
When service is required, DaimlerChrysler Corporation recommends that only Mopart brand parts,
lubricants and chemicals be used. Mopart provides
thebestengineeredproductsforservicing
DaimlerChrysler Corporation vehicles.
Only lubricants bearing designations defined by
the following organization should be used.
• Society of Automotive Engineers (SAE)
• American Petroleum Institute (API)
• National Lubricating Grease Institute (NLGI)
Page 19
0 - 2LUBRICATION & MAINTENANCEJR
FLUID TYPES (Continued)
API SERVICE GRADE CERTIFIED
Use an engine oil that is API Certified (GF-3).
Mopart provides engine oils, meeting Material Standard MS-6395, that meet or exceed this requirement.
SAE VISCOSITY
An SAE viscosity grade is used to specify the viscosity of engine oil. Use only engine oils with multiple viscosities such as 5W-30 or 10W-30. These are
specified with a dual SAE viscosity grade which indicates the cold-to-hot temperature viscosity range.
Select an engine oil that is best suited to your particular temperature range and variation (Fig. 2).
Fig. 2 TEMPERATURE/ENGINE OIL VISCOSITY
ENERGY CONSERVING OIL
An Energy Conserving type oil is recommended for
gasoline engines. The designation of ENERGY CONSERVING is located on the label of an engine oil container.
CONTAINER IDENTIFICATION
Standard engine oil identification notations have
been adopted to aid in the proper selection of engine
oil. The identifying notations are located on the front
label of engine oil plastic bottles and the top of
engine oil cans (Fig. 3).
This symbol means that the oil has been certified
by the American Petroleum Institute (API). DiamlerChrysler only recommends API Certified (GF-3)
engine oils that meet the requirements of Material
Standard MS-6395. Use Mopart or an equivalent oil
meeting the specification MS-6395.
ENGINE OIL ADDITIVES/SUPPLEMENTS
The manufacturer does not recommend the addition of any engine oil additives/supplements to the
specified engine oil. Engine oil additives/supplements
should not be used to enhance engine oil performance. Engine oil additives/supplements should not
be used to extend engine oil change intervals. No
additive is known to be safe for engine durability and
can degrade emission components. Additives can contain undesirable materials that harm the long term
durability of engines by:
• Doubling the level of Phosphorus in the engine
oil. The ILSAC (International Lubricant Standard
Approval Committee) GF-2 and GF-3 standards
require that engine oil contain no more than 0.10%
Phosphorus to protect the vehicles emissions performance. Addition of engine oil additives/supplements
can poison, from the added sulfur and phosphorus,
catalysts and hinder efforts to guarantee emissions
performance to 80,000 miles.
• Altering the viscosity characteristics of the
engine oil so that it no longer meets the requirements of the specified viscosity grade.
• Creating potential for an undesirable additive
compatibility interaction in the engine crankcase.
Generally it is not desirable to mix additive packages
from different suppliers in the crankcase; there have
been reports of low temperature engine failures
caused by additive package incompatibility with such
mixtures.
GEAR LUBRICANTS
SAE ratings also apply to multigrade gear lubricants. In addition, API classification defines the
lubricants usage. Such as API GL-5 and SAE 75W-
90.
Fig. 3 API SYMBOL
SYNTHETIC ENGINE OILS
There are a number of engine oils being promoted
as either synthetic or semi-synthetic. If you chose to
use such a product, use only those oils that meet the
American Petroleum Institute (API) and SAE viscosity standard. Follow the service schedulethat
describes your driving type.
LUBRICANTS AND GREASES
Lubricating grease is rated for quality and usage
by the NLGI. All approved products have the NLGI
symbol (Fig. 4) on the label. At the bottom of the
NLGI symbol is the usage and quality identification
letters. Wheel bearing lubricant is identified by the
letter “G”. Chassis lubricant is identified by the letter
“L”. The letter following the usage letter indicates
Page 20
JRLUBRICATION & MAINTENANCE0 - 3
FLUID TYPES (Continued)
the quality of the lubricant. The following symbols
indicate the highest quality.
Some maintenance orrepair procedures may
require the use of specialized lubricants or oils. Consult the appropriate sections in this manual for the
correct application of these lubricants.
DESCRIPTION - ENGINE COOLANT
WARNING: ANTIFREEZE IS AN ETHYLENE GLYCOL
BASE COOLANT AND IS HARMFUL IF SWALLOWED OR INHALED. IF SWALLOWED, DRINK
TWO GLASSES OF WATER AND INDUCE VOMITING. IF INHALED, MOVE TO FRESH AIR AREA.
SEEK MEDICAL ATTENTION IMMEDIATELY. DO NOT
STORE IN OPEN OR UNMARKED CONTAINERS.
WASH SKIN AND CLOTHING THOROUGHLY AFTER
COMING IN CONTACT WITH ETHYLENE GLYCOL.
KEEP OUT OF REACH OF CHILDREN. DISPOSE OF
GLYCOL BASE COOLANT PROPERLY, CONTACT
YOUR DEALER OR GOVERNMENT AGENCY FOR
LOCATION OF COLLECTION CENTER IN YOUR
AREA. DO NOT OPEN A COOLING SYSTEM WHEN
THE ENGINE IS AT OPERATING TEMPERATURE OR
HOT UNDER PRESSURE, PERSONAL INJURY CAN
RESULT. AVOID RADIATOR COOLING FAN WHEN
ENGINE COMPARTMENT RELATED SERVICE IS
PERFORMED, PERSONAL INJURY CAN RESULT.
CAUTION: Use of Propylene Glycol based coolants
is not recommended, as they provide less freeze
protection and less boiling protection.
The cooling system is designed around the coolant.
The coolant must accept heat from engine metal, in
the cylinder head area near the exhaust valves and
engine block. Then coolant carries the heat to the
radiator where the tube/fin radiator can transfer the
heat to the air.
The use of aluminum cylinder blocks, cylinder
heads, and water pumps requires special corrosion
protection.MopartAntifreeze/Coolant,5
Year/100,000 Mile Formula (MS-9769), or the equivalent ethylene glycol base coolant with hybrid organic
corrosion inhibitors (called HOAT, for Hybrid Organic
Additive Technology) is recommended. This coolant
offers the best engine cooling without corrosion when
mixed with 50% Ethylene Glycol and 50% distilled
water to obtain a freeze point of -37°C (-35°F). If it
loses color or becomes contaminated, drain, flush,
and replace with fresh properly mixed coolant solution.
The green coolant MUST NOT BE MIXED with
the orange or magenta coolants. When replacing coolant the complete system flush must be performed
before using the replacement coolant.
CAUTION: MoparT Antifreeze/Coolant, 5 Year/100,000
Mile Formula (MS-9769) may not be mixed with any
other type of antifreeze. Doing so will reduce the corrosion protection and may result in premature water
pump seal failure. If non-HOAT coolant is introduced
into the cooling system in an emergency, it should be
replaced with the specified coolant as soon as possible.
The information in this section is for Flexible Fuel
Vehicles (FFV) only. These vehicles can be identified
by the unique Fuel Filler Door Label that states
Ethanol (E-85) or Unleaded Gasoline Only. This
section only covers those subjects that are unique to
these vehicles. Please refer to the other sections of
this manual for information on features that are
common between Flexible Fuel and gasoline only
powered vehicles.
CAUTION: Only vehicles with the E-85 fuel filler
door label can operate on E-85.
Ethanol Fuel (E-85)
E-85 is a mixture of approximately 85% fuel ethanol and 15% unleaded gasoline.
WARNING: Ethanol vapors are extremely flammable
and could cause serious personal injury. Never
have any smoking materials lit in or near the vehicle when removing the fuel filler tube cap (gas cap)
or filling the tank. Do not use E-85 as a cleaning
agent and never use it near an open flame.
Page 21
0 - 4LUBRICATION & MAINTENANCEJR
FLUID TYPES (Continued)
Fuel Requirements
The vehicle will operate on both unleaded gasoline
with an octane rating of 87, or E-85 fuel, or any mixture of these two.
For best results, a refueling pattern that alternates
between E-85 and unleaded gasoline should be
avoided. When you do switch fuels, it is recommended that
• you do not switch when the fuel gauge indicates
less than 1/4 full
• you do not add less than 5 gallons when refuel-
ing
• you operate the vehicle immediately after refuel-
ing for a period of at least 5 minutes
Observing these precautions will avoid possible
hard starting and/or significant deterioration in
driveability during warm up.
NOTE: When the ambient temperature is above
90°F, you may experience hard starting and rough
idle following start up even if the above recommendations are followed.
Engine Oil Selection for Operating on E-85
If vehicle operates on E-85 fuel either full or parttime, use only Mopart Flexible Fuel 5W-30 engine oil
or an equivalent that meets DaimlerChrysler Standard MS-9214. Equivalent commercial Flexible Fuel
engine oils may be labeled as Multi-Fuel, Variable
Fuel, Flexible Fuel, etc. These engine oils may be
satisfactory if they meet the DaimlerChrysler Standard.
SAE 5W-30 engine oil is preferred for use in Flexible Fuel engines.
Cruising Range
Because E-85 fuel contains less energy per gallon
than gasoline, you will experience an increase in fuel
consumption. You can expect your MPG and your
driving range to decrease by about 30% compared to
gasoline operation.
Replacement Parts
Many components in your Flexible Fuel Vehicle
(FFV) are designed to be compatible with ethanol.
Always be sure that your vehicle is serviced with correct ethanol compatible parts.
CAUTION: Replacing fuel system components with
non-ethanol compatible components can damage
your vehicle and may void the warranty.
Maintenance
If you operate the vehicle using E-85 fuel, follow
Schedule B in the maintenance schedule section of
this manual.
DESCRIPTION - AUTOMATIC/MANUAL
TRANSAXLE FLUID
NOTE: Refer to the maintenance schedules in the
vehicle owner’s manual for the recommended maintenance (fluid/filter change) intervals for this transaxle.
NOTE: All transaxles have a common transmission
and differential sump. Filling the transaxle accommodates the differential as well.
CAUTION: If Flexible Fuel engine oil is not used
when using E-85 fuel, engine wear or damage may
result.
Engine Oil Selection for Operating on Gasoline
If you operate the vehicle on regular unleaded gasoline ONLY, use Mopart oil or an equivalent that
meets certified API (American Petroleum Institute)
Quality.
Starting
The characteristics of E-85 fuel make it unsuitable
for use when ambient temperatures fall below 0°F. In
the range of 0°F to 32°F, you may experience an
increase in the time it takes for your engine to start,
and a deterioration in driveability (sags and/or hesitations) until the engine is fully warmed up.
TRANSMISSION FLUID
Mopart ATF+4 (Automatic Transmission Fluid) is
required in the 41TE automatic and T350/T850 manual transaxles. Substitute fluids can induce torque
converter clutch shudder, or premature geartrain
failure.
Mopart ATF+4 (Automatic Transmission Fluid)
when new is red in color. The ATF is dyed red so it
can be identified from other fluids used in the vehicle
such as engine oil or antifreeze. The red color is not
permanent and is not an indicator of fluid condition.
As the vehicle is driven, the ATF will begin to look
darker in color and may eventually become brown.
This is normal. A dark brown/black fluid accompanied with a burnt odor and/or deterioration in shift
quality may indicate fluid deterioration or transmission component failure.
Page 22
JRLUBRICATION & MAINTENANCE0 - 5
FLUID TYPES (Continued)
FLUID ADDITIVES
DaimlerChrysler strongly recommends against the
addition of any fluids to the transmission, other than
those automatic transmission fluids listed above.
Exceptions to this policy are the use of special dyes
to aid in detecting fluid leaks.
Various “special” additives and supplements exist
that claim to improve shift feel and/or quality. These
additives and others also claim to improve converter
clutch operation and inhibit overheating, oxidation,
varnish, and sludge. These claims have not been supported to the satisfaction of DaimlerChrysler and
these additives must not be used. The use of transmission “sealers” should also be avoided, since they
may adversely affect the integrity of transmission
seals.
DESCRIPTION - FUEL REQUIREMENTS
Your engine is designed to meet all emissions regulations and provide excellent fuel economy and performance when using high quality unleaded gasoline
having an octane rating of 87. The use of premium
gasoline is not recommended. The use of premium
gasoline will provide no benefit over high quality regular gasoline, and in some circumstances may result
in poorer performance.
Light spark knock at low engine speeds is not
harmful to your engine. However, continued heavy
spark knock at high speeds can cause damage and
immediate service is required. Engine damage resulting from operation with a heavy spark knock may
not be covered by the new vehicle warranty.
Poor quality gasoline can cause problems such as
hard starting, stalling and hesitations. If you experience these symptoms, try another brand of gasoline
before considering service for the vehicle.
Over 40 auto manufacturers world-wide have
issued and endorsed consistent gasoline specifications
(the Worldwide Fuel Charter, WWFC) to define fuel
properties necessary to deliver enhanced emissions,
performance and durability for your vehicle. We recommend the use of gasolines that meet the WWFC
specifications if they are available.
REFORMULATED GASOLINE
Many areas of the country require the use of
cleaner burning gasoline referred to as “reformulated” gasoline. Reformulated gasoline contain oxygenates, and are specifically blended to reduce vehicle
emissions and improve air quality.
We strongly support the use of reformulated gasoline. Properly blended reformulated gasoline will provide excellent performance and durability for the
engine and fuel system components.
GASOLINE/OXYGENATE BLENDS
Some fuel suppliers blend unleaded gasoline with
oxygenates such as 10% ethanol, MTBE, and ETBE.
Oxygenates are required in some areas of the country
during the winter months to reduce carbon monoxide
emissions. Fuels blended with these oxygenates may
be used in your vehicle.
CAUTION: DO NOT use gasoline containing METHANOL. Gasoline containing methanol may damage
critical fuel system components.
MMT IN GASOLINE
MMT is a manganese-containing metallic additive
that is blended into some gasoline to increase octane.
Gasoline blended with MMT provide no performance
advantage beyond gasoline of the same octane number without MMT. Gasoline blended with MMT
reduce spark plug life and reduce emission system
performance in some vehicles. We recommend that
gasoline free of MMT be used in your vehicle. The
MMT content of gasoline may not be indicated on the
gasoline pump; therefore, you should ask your gasoline retailer whether or not his/her gasoline contains
MMT.
It is even more important to look for gasoline without MMT in Canada because MMT can be used at
levels higher than allowed in the United States.
MMT is prohibited in Federal and California reformulated gasoline.
SULFUR IN GASOLINE
If you live in the northeast United States, your
vehicle may have been designed to meet California
low emission standards with Cleaner-Burning California reformulated gasoline with low sulfur. If such
fuels are not available in states adopting California
emission standards, your vehicles will operate satisfactorily on fuels meeting federal specifications, but
emissioncontrolsystemperformancemaybe
adversely affected. Gasoline sold outside of California
is permitted to have higher sulfur levels which may
affect the performance of the vehicle’s catalytic converter. This may cause the Malfunction Indicator
Lamp (MIL), Check Engine or Service Engine Soon
light to illuminate. We recommend that you try a different brand of unleaded gasoline having lower sulfur
to determine if the problem is fuel related prior to
returning your vehicle to an authorized dealer for
service.
CAUTION: If the Malfunction Indicator Lamp (MIL),
Check Engine or Service Engine Soon light is flashing, immediate service is required; see on-board
diagnostics system section.
Page 23
0 - 6LUBRICATION & MAINTENANCEJR
FLUID TYPES (Continued)
MATERIALS ADDED TO FUEL
All gasoline sold in the United States and Canada
are required to contain effective detergent additives.
Use of additional detergents or other additives is not
needed under normal conditions.
FUEL SYSTEM CAUTIONS
CAUTION: Follow these guidelines to maintain your
vehicle’s performance:
• The use of leaded gas is prohibited by Federal
law. Using leaded gasoline can impair engine performance, damage the emission control system, and
could result in loss of warranty coverage.
• An out-of-tune engine, or certain fuel or ignition
malfunctions, can cause the catalytic converter to
overheat. If you notice a pungent burning odor or
some light smoke, your engine may be out of tune or
malfunctioning and may require immediate service.
Contact your dealer for service assistance.
• When pulling a heavy load or driving a fully
loaded vehicle when the humidity is low and the temperature is high, use a premium unleaded fuel to
help prevent spark knock. If spark knock persists,
lighten the load, or engine piston damage may result.
• The use of fuel additives which are now being
sold as octane enhancers is not recommended. Most
of these products contain high concentrations of
methanol. Fuel system damage or vehicle performance problems resulting from the use of such fuels
oradditivesisnottheresponsibilityof
DaimlerChrysler Corporation and may not be covered
under the new vehicle warranty.
NOTE: Intentional tampering with emissions control
systems can result in civil penalties being assessed
against you.
FLUID FILL/CHECK
LOCATIONS
DESCRIPTION
The fluid check/fill point locations are located in
each applicable service manual section.
LUBRICATION POINTS
DESCRIPTION
Lubrication point locations are located in each
applicable Sections.
Page 24
JRLUBRICATION & MAINTENANCE0 - 7
MAINTENANCE SCHEDULES
DESCRIPTION
DESCRIPTION
There are two maintenance schedules for North Amer-
ica that show the required service for your vehicle.
First is Schedule “B”. It is for vehicles that are
operated under the conditions that are listed below
and at the beginning of the schedule.
•
Day or night temperatures are below 32° F (0° C).
• Stop and go driving.
• Extensive engine idling.
• Driving in dusty conditions.
• Short trips of less than 10 miles (16 km).
More than 50% of your driving is at sustained high
•
speeds during hot weather, above 90° F (32° C).L
• Trailer towing.L
• Taxi, police, or delivery service (commercial ser-
vice).L
• Off-road or desert operation.
• If equipped for and operating with E-85
(ethanol) fuel.
NOTE: If ANY
your engine oil every 3,000 miles (5,000 km) or 3
months, whichever comes first and follow schedule
B of the “Maintenance Schedules” section of this
manual.
NOTE: Most vehicles are operated under the conditions listed for Schedule (B(.
of these apply to you then change
At Each Stop for Fuel
•
Check the engine oil level about 5 minutes after a
fully warmed engine is shut off. Checking the oil level
while the vehicle is on level ground will improve the
accuracy of the oil level reading. Add oil only when the
level is at or below the ADD or MIN mark.
• Check the windshield washer solvent and add if
required.
Once a Month
• Check tire pressure and look for unusual wear
or damage.
• Inspect the battery and clean and tighten the
terminals as required.
• Check the fluid levels of coolant bottle, brake
master cylinder and transmission, add as needed.
• Check all lights and all other electrical items for
correct operation.
• Check rubber seals on each side of the radiator
for proper fit.
At Each Oil Change
• Change the engine oil filter.
• Inspect the exhaust system.
• Inspect the brake linings, hoses and calipers.
• Inspect the CV joints and front and rear suspen-
sion components.
• Check the automatic transmission fluid level.
• Check the manual transmission fluid level.
• Check the coolant level, hoses, and clamps.
• Rotate the tires at each oil change interval
shown on Schedule “A” 6,000 miles (10 000 km) or
every other interval shown on Schedule “B” 6,000
miles (10 000 km).
Second is Schedule “A”. It is for vehicles that are
not operated under any of the conditions listed under
Schedule “B” .
NOTE: Under no circumstances should oil change
intervals exceed 6 months or 6,000 miles, whichever comes first.
CAUTION: Failure to perform the required maintenance items may result in damage to the vehicle.
NOTE: In 2.7L Engines equipped with Flex Fuel
Engine (FFV), change engine oil every 5 months or
5,000 miles, whichever comes first. This applies to
both Maintenance Schedule A and B.
Page 25
0 - 8LUBRICATION & MAINTENANCEJR
MAINTENANCE SCHEDULES (Continued)
SCHEDULE B - NORTH AMERICA
Follow schedule “B” if you usually operate your
vehicle under one or more of the following conditions.
Change the automatic transmission fluid and filter
every 60,000 miles (96 000 km) if the vehicle is usually operated under one or more of the conditions
marked with an L.
• Day or night temperatures are below 32° F (0°
C).
• Stop and go driving.
• Extensive engine idling.
• Driving in dusty conditions.
• Short trips of less than 10 miles (16.2 km).
• More than 50% of your driving is at sustained
high speeds during hot weather, above 90° F (32°
C).L
Inspect the air cleaner filter
and replace if necessary.*
Inspect the front and rear
brake linings and rotors.
XXXXXX
XXXXXX
• Trailer towing.L
• Taxi, police or delivery service (commercial ser-
vices).L
• Off-road or desert operation.
• If equipped for and operating with E-85
(ethanol) fuel.
NOTE: If ANY of these apply to you then change
your engine oil every 3,000 miles (5 000 km) or 3
months, whichever comes first and follow schedule
“B” of the (Maintenance Schedules( section of this
manual.
Inspect the air cleaner filter
and replace if necessary.*
Replace the air cleaner filter.X
Inspect the front and rear
brake linings and rotors.
Flush and replace the engine
coolant.
Replace the spark plugs on
the 2.7 liter engine.
Check and retension
accessory drive belts on 2.7
liter engine.
Replace the accessory drive
belts on 2.4 liter engine.
XXXXX
XXXX
X
X
X
X
X
* This maintenance is recommended by the manufacture to the owner but is not required to maintain the
emissions warranty.
‡ This maintenance is not required if previously replaced.
Inspection and service should also be performed anytime a malfunction is observed or suspected. Retain all
receipts.
Change engine oil and engine oil filter.XXXXX
Inspect the air cleaner filter and replace if
required.*
Replace the air cleaner filter.*X
Inspect the front brake pads and rear brake
linings, rotors.
Replace the spark plugs on 2.4 liter
engine.
Replace the spark plugs on 2.7 liter
engine.
Check and replace, if necessary, the PCV
valve.*‡
Replace the engine timing belt on 2.4 liter
engine.*
Check and retension alternator drive belts
on 2.7 liter engine.
Replace the accessory drive belts on 2.4L
engine.
Flush and replace the engine coolant at 60
months or 100,000 miles.
XXX
X
X
X
X
X
X
X
X
* This maintenance is recommended by the manufacture to the owner but is not required to maintain
the emissions warranty.
‡ This maintenance is not required if previously
replaced.
Inspection and service should also be performed
anytime a malfunction is observed or suspected.
Retain all receipts.
WARNING: You can be badly injured working on or
around a motor vehicle. Do only that service work
for which you have the knowledge and the right
equipment. If you have any doubt about your ability
to perform a service job, take your vehicle to a
competent mechanic.
Page 30
JRLUBRICATION & MAINTENANCE0 - 13
MAINTENANCE SCHEDULES (Continued)
DESCRIPTION - EXPORT
There are two maintenance schedules Export Only
that show the required service for your vehicle.
First is Schedule “A”. It is for vehicles that are not
operated under any of the conditions listed under
Schedule “B”.
Second is Schedule (B(. It is for vehicles that are
operated under the conditions that are listed below
and at the beginning of the schedule.
•
Day or night temperatures are below 32° F (0° C).
• Stop and go driving.
• Extensive engine idling.
• Driving in dusty conditions.
• Short trips of less than 10 miles (16 km).
More than 50% of your driving is at sustained high
•
speeds during hot weather, above 90° F (32° C).L
• Trailer towing.L
• Taxi, police, or delivery service (commercial ser-
vice).L
• Off-road or desert operation.
• If equipped for and operating with E-85
(ethanol) fuel.
NOTE: If ANY of these apply to you then change your
engine oil every 3,000 miles (5 000 km) or 3 months,
whichever comes first and follow schedule “B” of the
(Maintenance Schedules( section of this manual.
NOTE: Most vehicles are operated under the conditions listed for Schedule (B(.
Use the schedule that best describes your driving
conditions. Where time and mileage are listed, follow
the interval that occurs first.
NOTE: Under no circumstances should oil change
intervals exceed 6000 miles (10 000 km) or 6
months whichever comes first.
CAUTION: Failure to perform the required maintenance items may result in damage to the vehicle.
At Each Stop for Fuel
• Check the engine oil level about 5 minutes after
a fully warmed engine is shut off. Checking the oil
level while the vehicle is on level ground will
improve the accuracy of the oil level reading. Add oil
only when the level is at or below the ADD or MIN
mark.
• Check the windshield washer solvent and add if
required.
Once a Month
• Check tire pressure and look for unusual wear
or damage.
• Inspect the battery and clean and tighten the
terminals as required.
• Check the fluid levels of coolant bottle, brake
master cylinder and transmission, add as needed.
• Check all lights and all other electrical items for
correct operation.
• Check rubber seals on each side of the radiator
for proper fit.
At Each Oil Change
• Change the engine oil filter.
• Inspect the exhaust system.
• Inspect the brake linings, hoses and calipers.
• Inspect the CV joints and front and rear suspen-
sion components.
• Check the automatic transmission fluid level.
• Check the manual transmission fluid level.
• Check the coolant level, hoses, and clamps.
• Rotate the tires at each oil change interval
shown on Schedule “A” 6,000 miles (10 000 km) or
every other interval shown on Schedule “B” 6,000
miles (10 000 km).
Change engine oil and engine oil filter.XXXX
Inspect the air cleaner filter and replace if required.*XXX
Replace the air cleaner filter.*X
Inspect the front brake pads and rear brake linings,
rotors.
Replace the spark plugs on 2.0 liter engine.X
Check and replace, if necessary, the PCV valve.*‡X
Replace the engine timing belt on 2.0 liter engine.*X
Check and retension alternator drive belts on 2.7 liter
engine.
Replace the drive belts.X
Flush and replace the engine coolant at 160,000 km if not
done at 60 months.
* This maintenance is recommended by the manufacture to the owner but is not required to maintain
the emissions warranty.
‡ This maintenance is not required if previously
replaced.
Inspection and service should also be performed
anytime a malfunction is observed or suspected.
Retain all receipts.
X
X
X
Page 32
JRLUBRICATION & MAINTENANCE0 - 15
MAINTENANCE SCHEDULES (Continued)
SCHEDULE B — EXPORT ONLY
Follow schedule “B” if you usually operate your
vehicle under one or more of the following conditions.
Change the automatic transmission fluid and filter
every 48,000 miles (77 000 km) if the vehicle is usually operated under one or more of the conditions
marked with an L.
Inspect the air cleaner filter
and replace if necessary.*
Inspect the front and rear
brake linings and rotors.
XXXXX X
XXXXX X
• More than 50% of your driving is at sustained
high speeds during hot weather, above 90° F (32°
C).L
• Trailer towing.L
• Taxi, police or delivery service (commercial ser-
vices).L
• Off-road or desert operation.
• If equipped for and operating with E-85
(ethanol) fuel.
If ANY of these apply to you, change your engine
oil every 3,000 miles (5 000 km) or 3 months, whichever comes first, and follow the maintenance recommendations in “Maintenance Schedule B.”
Change engine oil and engine oil filter.XXXXXX
Inspect the air cleaner filter
and replace if
necessary.*
Replace the air cleaner filter.
Inspect the front and rear brake linings and rotors.XX
Replace the ignition cables
Replace the accessory drive belts on 2.0 and 2.7
Change engine oil and engine oil filter.XXXXX X
Inspect the air cleaner filter
and replace if
necessary.*
Replace the air cleaner filter.
*
Inspect the front and rear brake linings and rotors.X
Check and replace, if necessary, the PCV valve.
Replace the spark plugs
Replace engine timing belt
Change engine oil and engine oil filter.XXXXX
Inspect the air cleaner filter
and replace if
XXXXX
necessary.*
Inspect the front and rear brake linings and rotors.X
Change the automatic transmission fluid and filter.X
Flush and replace the engine coolant at 60 months
X
or 160,000 km.
Replace the spark plugs
Check and retension accessory drive belts on 2.7
on the 2.7 liter engine.
X
X
liter engine
* This maintenance is recommended by the manufacture to the owner but is not required to maintain
the emissions warranty.
‡ This maintenance is not required if previously
replaced.
Inspection and service should also be performed
WARNING: You can be badly injured working on or
around a motor vehicle. Do only that service work
for which you have the knowledge and the right
equipment. If you have any doubt about your ability
to perform a service job, take your vehicle to a
competent mechanic.
anytime a malfunction is observed or suspected.
Retain all receipts.
Page 34
JRLUBRICATION & MAINTENANCE0 - 17
HOISTING
STANDARD PROCEDURE - HOISTING
Refer to Owner’s Manual provided with vehicle for
proper emergency jacking procedures.
WARNING: THE HOISTING AND JACK LIFTING
POINTS PROVIDED ARE FOR A COMPLETE VEHICLE. WHEN THE ENGINE OR REAR SUSPENSION
IS REMOVED FROM A VEHICLE, THE CENTER OF
GRAVITY IS ALTERED MAKING SOME HOISTING
CONDITIONS UNSTABLE. PROPERLY SUPPORT OR
SECURE VEHICLE TO HOISTING DEVICE WHEN
THESE CONDITIONS EXIST.
CAUTION: Do not position hoisting device on suspension components, damage to vehicle can result.
Refer to (Fig. 5), OR (Fig. 6) for proper locations.
WARNING: DO NOT JUMP START A FROZEN BATTERY, PERSONAL INJURY CAN RESULT. DO NOT
JUMP START WHEN MAINTENANCE FREE BATTERY INDICATOR DOT IS YELLOW OR BRIGHT
COLOR. DO NOT JUMP START A VEHICLE WHEN
THE BATTERY FLUID IS BELOW THE TOP OF LEAD
PLATES.DONOTALLOWJUMPERCABLE
CLAMPS TO TOUCH EACH OTHER WHEN CONNECTED TO A BOOSTER SOURCE. DO NOT USE
OPEN FLAME NEAR BATTERY. REMOVE METALLIC
JEWELRY WORN ON HANDS OR WRISTS TO AVOID
INJURY BY ACCIDENTAL ARCING OF BATTERY
CURRENT. WHEN USING A HIGH OUTPUT BOOSTING DEVICE, DO NOT ALLOW BATTERY VOLTAGE
TO EXCEED 16 VOLTS. REFER TO INSTRUCTIONS
PROVIDED WITH DEVICE BEING USED.
Page 35
0 - 18LUBRICATION & MAINTENANCEJR
JUMP STARTING (Continued)
CAUTION:Whenusinganothervehicleasa
booster, do not allow vehicles to touch. Electrical
systems can be damaged on either vehicle.
TO JUMP START A DISABLED VEHICLE:
(1) Raise hood on disabled vehicle and visually
inspect engine compartment for:
• Battery cable clamp condition, clean if necessary.
• Frozen battery.
• Yellow or bright color test indicator, if equipped.
• Low battery fluid level.
• Generator drive belt condition and tension.
• Fuel fumes or leakage, correct if necessary.
CAUTION: If the cause of starting problem on disabled vehicle is severe, damage to booster vehicle
charging system can result.
(2) When using another vehicle as a booster
source, park the booster vehicle within cable reach.
Turn off all accessories, set the parking brake, place
the automatic transmission in PARK or the manual
transmission in NEUTRAL and turn the ignition
OFF.
(3) On disabled vehicle, place gear selector in park
or neutral and set park brake. Turn off all accessories.
(4) Connect jumper cables to booster battery. RED
clamp to positive terminal (+). BLACK clamp to negative terminal (-). DO NOT allow clamps at opposite
end of cables to touch, electrical arc will result.
Review all warnings in this procedure.
(5) On disabled vehicle, connect RED jumper cable
clamp to positive (+) terminal. Connect BLACK
jumper cable clamp to engine ground as close to the
ground cable attaching point as possible (Fig. 7).
(6) Start the engine in the vehicle which has the
booster battery, let the engine idle a few minutes,
then start the engine in the vehicle with the discharged battery.
CAUTION: Do not crank starter motor on disabled
vehicle for more than 15 seconds, starter will overheat and could fail.
(7) Allow battery in disabled vehicle to charge to
at least 12.4 volts (75% charge) before attempting to
start engine. If engine does not start within 15 seconds, stop cranking engine and allow starter to cool
(15 minutes), before cranking again.
• WhenusingaBoostervehicle,disconnect
BLACK cable clamp from battery negative terminal.
Disconnect RED cable clamp from battery positive
terminal.
• Disconnect RED cable clamp from battery positive terminal on disabled vehicle.
TOWING
STANDARD PROCEDURE - TOWING
WARNINGS AND PRECAUTIONS
WARNING: DO NOT ALLOW TOWING ATTACHMENT
DEVICES TO CONTACT THE FUEL TANK OR LINES,
FUEL LEAK CAN RESULT. DO NOT LIFT OR TOW
VEHICLE BY FRONT OR REAR BUMPER, OR
BUMPER ENERGY ABSORBER UNITS. DO NOT
VENTURE UNDER A LIFTED VEHICLE IF NOT SUPPORTED PROPERLY ON SAFETY STANDS. DO NOT
ALLOW PASSENGERS TO RIDE IN A TOWED VEHICLE. USE A SAFETY CHAIN THAT IS INDEPENDENT
FROM THE TOWING ATTACHMENT DEVICE.
Page 36
JRLUBRICATION & MAINTENANCE0 - 19
TOWING (Continued)
CAUTION: Do not damage brake lines, exhaust system, shock absorbers, sway bars, or any other
under vehicle components when attaching towing
device to vehicle. Do not attach towing device to
front or rear suspension components. Do not
secure vehicle to towing device by the use of front
orrearsuspensionorsteeringcomponents.
Remove or secure loose or protruding objects from
a damaged vehicle before towing. Refer to state and
local rules and regulations before towing a vehicle.
Do not allow weight of towed vehicle to bear on
lower fascia, air dams, or spoilers.
RECOMMENDED TOWING EQUIPMENT
To avoid damage to bumper fascia and air dams
use of a flat bed towing device or wheel lift (Fig. 8) is
recommended. When using a wheel lift towing device,
be sure the unlifted end of disabled vehicle has at
least 100 mm (4 in.) ground clearance. If minimum
ground clearance cannot be reached, use a towing
dolly. If a flat bed device is used, the approach angle
should not exceed 15 degrees.
LOCKED VEHICLE TOWING
When a locked vehicle must be towed with the
front wheels on the ground, use a towing dolly or flat
bed hauler.
FLAT TOWING WITH TOW BAR
• Three speed automatic transaxle vehicles can be
flat towed at speeds not to exceed 40 km/h (25 mph)
for not more than 25 km (15 miles). The steering column must be unlocked and gear selector in neutral.
• Five speed manual transaxle vehicles can be flat
towed at any legal highway speed for extended distances. The gear selector must be in the neutral position.
FLAT BED TOWING TIE DOWNS
CAUTION: Do not tie vehicle down by attaching
chains or cables to suspension components or
engine mounts, damage to vehicle can result.
JR vehicles can be tied to a flat bed device using
the reinforced loops located under the front and rear
bumpers on the drivers side of the vehicle. There are
also four reinforced elongated holes for T or R hooks
located on the bottom of the front frame rail torque
boxes behind the front wheels and forward of the
rear wheels inboard of the rocker panel weld seam.
Fig. 8 Recommended Towing Equipment
1 - WHEEL LIFT
2 - FLAT BED
GROUND CLEARANCE
CAUTION: If vehicle is towed with wheels removed,
install lug nuts to retain brake drums or rotors.
A towed vehicle should be raised until the lifted
wheels are a minimum 100 mm (4 in.) from the
ground. Be sure there is at least 100 mm (4 in.)
clearance between the tail pipe and the ground. If
necessary, remove the wheels from the lifted end of
the vehicle and lower the vehicle closer to the
ground, to increase the ground clearance at the rear
of the vehicle. Install lug nuts on wheel attaching
studs to retain brake drums or rotors.
TOWING – FRONT WHEEL LIFT
DaimlerChrysler Corporation recommends that a
vehicle be towed with the front end lifted, whenever
possible. A 90 cm (36 in.) length of 4x4 wood beam
can be placed between the wheel lift device and the
bottom of the fascia to prevent damage to vehicle
during the lifting operation. The beam can removed
after lifting the front of the vehicle.
TOWING – REAR WHEEL LIFT
If a vehicle cannot be towed with the front wheels
lifted, the rear wheels can be lifted provided the following guide lines are observed.
CAUTION: Do not use steering column lock to
secure steering wheel during towing operation.
• Unlock steering column and secure steering
wheel in straight ahead position with a clamp device
designed for towing.
• Place front wheels on a towing dolly.
Page 37
Page 38
JRSUSPENSION2 - 1
SUSPENSION
TABLE OF CONTENTS
pagepage
SUSPENSION
STANDARD PROCEDURE - LUBRICATION
POINTS..............................1
SUSPENSION
STANDARD PROCEDURE - LUBRICATION
POINTS
There are no serviceable lubrication points on the
suspension of this vehicle. All joints are sealed-forlife type and require no maintenance.
DIAGNOSIS AND TESTING - STABILIZER BAR . 29
REMOVAL
REMOVAL - STABILIZER BAR............29
REMOVAL - STABILIZER BAR BUSHING
(FRONT) ............................29
INSTALLATION
INSTALLATION - STABILIZER BAR........30
INSTALLATION - STABILIZER BAR
BUSHING ...........................30
UPPER BALL JOINT
DESCRIPTION.........................30
DIAGNOSIS AND TESTING - UPPER BALL
JOINT..............................30
UPPER CONTROL ARM
DESCRIPTION.........................30
OPERATION...........................30
REMOVAL - UPPER CONTROL ARM........31
INSPECTION - UPPER CONTROL ARM......31
INSTALLATION - UPPER CONTROL ARM.....31
Page 40
JRFRONT SUSPENSION2 - 3
FRONT SUSPENSION
DESCRIPTION - FRONT SUSPENSION
This vehicle’s front suspension is a short long arm
(SLA) design used in conjunction with a gas pressurized shock absorber and coil spring assembly (Fig. 1).
SLA offers three advantages over the customary
MacPherson strut system for front-wheel-drive vehicles.
• Better handling through geometry that keeps
the tires more perpendicular to the road
• Better noise isolation
• Better ride through reduced friction
The upper control arm of the vehicle is mounted
using rubber isolation bushings to an aluminum casting which is attached to the shock tower using 4
mounting bolts. This aluminum casting is also used
as the upper mount for the front shock/coil spring
assembly. The shock absorber is isolated from the
aluminum bracket using a microcellular urethane
isolator. The lower control arm is mounted to the
vehicle’s front suspension crossmember using 2
through bolts per control arm. The lower control arm
is also isolated from the vehicle using 2 rubber bushings of unique design for the front and rear mounting
location. The bottom of the shock absorber is
mounted to the lower control arm by a clevis bracket
which is part of the shock absorber assembly. The
clevis bracket is mounted to and isolated from the
lower control arm using a rubber isolation bushing
and a through-bolt. The front steering knuckle is
mounted to the vehicle by a ball joint located in the
upper and lower control arms.
A sealed for life front hub and bearing assembly is
attached to the front steering knuckle. The outer C/V
joint assembly is splined to the front hub and bearing assembly and is retained by a nut, nut retainer
and cotter pin.
Fig. 1 Front Suspension Components (Typical)
1 - UPPER CONTROL ARM
2 - FRONT SUSPENSION CROSSMEMBER
3 - STABILIZER BAR
4 - HUB AND BEARING
5 - STEERING KNUCKLE
6 - LOWER CONTROL ARM
7 - SHOCK ASSEMBLY
Page 41
2 - 4FRONT SUSPENSIONJR
FRONT SUSPENSION (Continued)
OPERATION - FRONT SUSPENSION
The front suspension allows each front wheel on
vehicle to adapt to different road surfaces and conditions without affecting the control of the vehicle.
Each side of the front suspension is allowed to move
independently from the other. Both sides of the front
suspension are allowed to pivot so the vehicle can be
steered in the direction preferred. Steering of the
vehicle is provided by a rack and pinion steering gear
which is connected directly to each steering knuckle
by an outer tie rod.
WARNING
WARNING: DO NOT REMOVE A SHOCK ROD NUT
WHILE THE SHOCK ASSEMBLY IS INSTALLED IN
VEHICLE, OR BEFORE THE SHOCK ASSEMBLY
SPRING IS COMPRESSED.
CAUTION
CAUTION: Only frame contact hoisting equipment
should be used on this vehicle. All vehicles have a
fully independent rear suspension. Vehicles must
not be hoisted using equipment designed to lift a
vehicle by the rear axle. If this type of hoisting
equipment is used, damage to rear suspension
components will occur.
CAUTION: At no time when servicing a vehicle, can
a sheet metal screw, bolt or other metal fastener be
installed in the shock tower to take the place of an
Fig. 2 Shock Tower To Spring Minimum Clearance
Area
1 - SHOCK TOWER
2 - COIL SPRING
3 - NO SHEET METAL SCREWS, BOLTS, OR ANY OTHER METAL
FASTENERS ARE TO BE INSTALLED IN SHOCK TOWER AREA.
ALSO, NO HOLES ARE TO BE DRILLED INTO SHOCK TOWER IN
THIS SAME AREA.
original plastic clip. Also, NO holes can be drilled
into the front shock tower in the area shown in (Fig.
2), for the installation of any metal fasteners into
the shock tower. Because of the minimum clearance in this area installation of metal fasteners
could damage the coil spring coating and lead to a
corrosion failure of the spring.
NOTE: If a suspension component becomes bent,
damaged or fails, no attempt should be made to
straighten or repair it. Always replace it with a new
component.
SPECIFICATIONS
FRONT SUSPENSION FASTENER TORQUE
DESCRIPTIONTORQUE
Shock Assembly
Clevis Pinch Bolt88 N·m (65 ft. lbs.)
Shock Tower Bolts101 N·m (75 ft. lbs.)
Clevis To Control Arm
Bolt
Rod To Upper Mount Nut54 N·m (40 ft. lbs.)
Steering Knuckle
Disc Brake Caliper
Adapter Bolts
Tie Rod Nut61 N·m (45 ft. lbs.)
Tie Rod Adjustment Jam
Nuts
Hub And Bearing
Axle Hub Nut203 N·m (150 ft. lbs.)
Wheel Stud Lug Nut135 N.m (100 ft. lbs.)
Upper Control Arm
Ball Joint Stud Nut27 N·m (20 ft. lbs.)
Shock Bracket Bolt90 N·m (66 ft. lbs.)
Lower Control Arm
Ball Joint Stud Castle Nut74 N·m (55 ft. lbs.)
Crossmember Front Pivot
Bushing Clamp Bolts61 N·m (45 ft. lbs.)
Link Nuts101 N·m (75 ft. lbs.)
88 N·m (65 ft. lbs.)
108 N·m (80 ft. lbs.)
61 N·m (45 ft. lbs.)
183 N·m (135 ft. lbs.)
13 N·m (10 ft. lbs.)
Page 42
JRFRONT SUSPENSION2 - 5
FRONT SUSPENSION (Continued)
SPECIAL TOOLS
FRONT SUSPENSION
Remover/Installer Control Arm Bushing 6602–5 (In
Tool Kit 6602)
Puller C-3894-A
Installer/Receiver, Control Arm Bushing 6876
Installer, Ball Joint 6758
Press, Ball Joint Remover/Installer C-4212F
Remover, Ball Joint MB-990799
Remover / Installer C-4366-2 (In Tool Kit C-4366)
Receiver, Ball Joint 6756
Installer, Bushing 6760
Page 43
2 - 6FRONT SUSPENSIONJR
FRONT SUSPENSION (Continued)
mounting studs used to mount the tire and wheel to
the vehicle are the only replaceable components of
the hub and bearing assembly.
OPERATION
The hub and bearing has internal bearings that
allow the hub to rotate with the driveshaft and tire
and wheel.
Remover/Installer Control Arm Clevis Bushing 6877
Installer, Ball Joint Seal Boot Retainer 6875
Remover, Tie Rod
DIAGNOSIS AND TESTING - HUB AND
BEARING
The hub and bearing is designed for the life of the
vehicle and requires no type of periodic maintenance.
The following procedure may be used for diagnosing
the condition of the wheel bearing and hub.
With the wheel, disc brake caliper, and brake rotor
removed, rotate the wheel hub. Any roughness or
resistance to rotation may indicate dirt intrusion or a
failed hub bearing. If the bearing exhibits any of
these conditions during diagnosis, the hub bearing
will require replacement. The bearing is not serviceable.
Damaged bearing seals and the resulting excessive
grease loss may also require bearing replacement.
Moderate grease weapage from the bearing is considered normal and should not require replacement of
the wheel bearing.
To diagnose a bent hub, (Refer to 2 - BRAKES/HYDRAULIC-MECHANICAL/ROTOR-DIAGNOSIS
AND TESTING).
REMOVAL
(1) Raise vehicle. (Refer to LUBRICATION &
MAINTENANCE/JUMP STARTING - STANDARD
PROCEDURE).
(2) Remove front tire and wheel assembly.
Remover, Lower Ball Joint C-4150A
HUB / BEARING
DESCRIPTION
The bearing used on the front hub of this vehicle is
the combined hub and bearing unit type assembly.
This unit combines the front wheel mounting hub
(flange) and the front wheel bearing into a one piece
unit. The hub and bearing assembly is mounted to
the steering knuckle and is retained by three mounting bolts accessible from the back of the steering
knuckle. The hub and bearing unit is not serviceable
and must be replaced as an assembly if the bearing
or the hub is determined to be defective. The wheel
CAUTION: Wheel bearing damage will result if hub
nut is loose, then vehicle is rolled on the ground or
the weight of the vehicle is allowed to be supported
by the tires.
(3) Loosen hub nut with brakes applied. The hub
and driveshaft are splined together through the
knuckle (bearing) and retained by the hub nut.
(4) Remove disc brake caliper, adapter, shoes and
rotor from steering knuckle. (Refer to 5 - BRAKES/
HYDRAULIC/MECHANICAL/ROTOR - REMOVAL)
(5) If equipped with antilock brakes, remove bolt
securing wheel speed sensor cable routing bracket to
steering knuckle (Fig. 3).
(6) Remove nut from upper ball joint stud.
(7) Remove upper ball joint stud from steering
knuckle using Puller, Special Tool, C-3894-A (Fig. 4).
Page 44
JRFRONT SUSPENSION2 - 7
HUB / BEARING (Continued)
(9) Remove 3 bolts attaching the hub and bearing
assembly to steering knuckle (Fig. 5).
1 - BALL JOINT
2 - BALL JOINT STUD
3 - SPECIAL TOOL C-3894-A
4 - SHOCK ABSORBER ASSEMBLY
5 - UPPER CONTROL ARM
NOTE: Care must be taken not to separate driveshaft inner C/V joint during the following steps. Do
not allow driveshaft to hang by inner C/V joint;
driveshaft must be supported.
(8) Separate steering knuckle (hub and bearing)
from outer C/V joint by tipping top of steering
knuckle outward while sliding outer C/V joint out
rear of hub and bearing. Once separated, support
outer end of driveshaft with wire hanger or cord to
avoid damaging inner C/V joint.
(10) Remove hub and bearing assembly from front
of steering knuckle.
NOTE: If bearing will not come out of steering
knuckle, it can be tapped out using a soft faced
hammer.
INSTALLATION
(1) Thoroughly clean all hub and bearing assembly
mounting surfaces on steering knuckle.
(2) Install hub and bearing assembly in steering
knuckle aligning bolt boles in bearing flange with
holes in steering knuckle.
(3) Install 3 mounting bolts (Fig. 5) and tighten
evenly to ensure bearing is square to face of steering
knuckle. Tighten mounting bolts to 110 N·m (80 ft.
lbs.) torque.
(4) Slide driveshaft outer C/V into front hub and
bearing assembly.
(6) Using a crow foot and torque wrench, tighten
upper ball joint nut to 27 N·m (20 ft. lbs.) torque.
(7) If equipped with antilock brakes, install wheel
speed sensor cable routing bracket on steering
knuckle (Fig. 3). Install and tighten mounting bolt to
12 N·m (105 in. lbs.) torque.
(8) Install brake rotor, and caliper, shoes and
adapter assembly. (Refer to 5 - BRAKES/HYDRAULIC/MECHANICAL/ROTOR - INSTALLATION)
(9) Clean all foreign matter from threads of outer
C/V joint stub axle.
Page 45
2 - 8FRONT SUSPENSIONJR
HUB / BEARING (Continued)
(10) Install hub nut on C/V joint stub axle threads.
With vehicle brakes applied to keep stub axle from
turning, tighten hub nut to 203 N·m (150 ft. lbs.)
torque.
(11) Install wheel and tire assembly. Install wheel
mounting nuts and progressively tighten in crisscross
sequence. Tighten nuts to a torque of 135 N·m (100
ft. lbs.).
(12) Lower vehicle.
(13) Set front toe on vehicle to required specification. (Refer to 2 - SUSPENSION/WHEEL ALIGNMENT - STANDARD PROCEDURE).
KNUCKLE
DESCRIPTION
The steering knuckle is a single casting with legs
machined for attachment to the vehicle’s upper and
lower control arm ball joints. the steering knuckle
has the hub and bearing mounted in its center. The
axle shaft constant velocity joint stub shaft is splined
through the hub and bearing assembly in the center
of the knuckle. The steering knuckle also supports
and aligns the front brake caliper adapter and caliper assembly.
OPERATION
The steering knuckle pivots between the upper and
lower ball joints. The steering gear outer tie rod end
connects to the trailing end of each knuckle, allowing
the vehicle to be steered.
The center of the knuckle supports the hub and
bearing and axle shaft.
DIAGNOSIS AND TESTING - STEERING
KNUCKLE
The front suspension steering knuckle is not a
repairable component of the front suspension. It
must be replaced if found to be damaged in any way.
If it is determined that the steering knuckle is bent
when servicing the vehicle, no attempt is to be made
to straighten the steering knuckle.
(3) Loosen hub nut with brakes applied.The hub
and driveshaft are splined together through the
knuckle (bearing) and retained by the hub nut.
(4) Remove disc brake caliper, adapter, shoes and
rotor from steering knuckle. (Refer to 5 - BRAKES/
HYDRAULIC/MECHANICAL/ROTORS - REMOVAL)
(5) Remove nut attaching outer tie rod to steering
knuckle (Fig. 6). Remove nut from tie rod by
holding tie rod stud with a socket while loosening and removing nut with wrench (Fig. 6).
Fig. 6 Outer Tie Rod Attaching Nut
1 - TIE ROD
2 - HEAT SHIELD
3 - STEERING KNUCKLE
4 - TIE ROD STUD
5 - NUT
(6) Remove the tie rod end from the steering
knuckle using Remover, Special Tool C-3894-A.
(1) Raise vehicle. (Refer to LUBRICATION &
MAINTENANCE/HOISTING - SERVICE PROCEDURE).
(2) Remove front tire and wheel assembly from
hub.
CAUTION: Wheel bearing damage will result if hub
nut is loosened, then vehicle is rolled on the
ground or the weight of the vehicle is allowed to be
supported by the tires.
CAUTION: No tool is to be inserted between the
steering knuckle and the lower ball joint to separate
stud of lower ball joint from the steering knuckle.
The steering knuckle is to be separated from the
stud of the ball joint only using the procedure as
described in Step 9 below.
2 - BALL JOINT STUD
3 - STEERING KNUCKLE BOSS
4 - HEAT SHIELD
5 - LOWER CONTROL ARM
(10) Lift up on steering knuckle separating it from
lower ball joint stud. Use caution when separat-
ing ball joint stud from steering knuckle so ball
joint seal does not get cut.
(11) Separate steering knuckle from outer C/V
joint. Separate steering knuckle from outer C/V joint
holding driveshaft in place while pulling steering
knuckle away from outer C/V joint (Fig. 10).
CAUTION: When striking the steering knuckle, do
not hit the heat shield covering the ball joint grease
seal. Bending the heat shield against the ball joint
grease seal will cause the grease seal to fail.
(9) Turn steering knuckle so front of it is facing as
far outboard in wheel well as possible. Using a hammer, strike boss on steering knuckle (Fig. 9) until
steering knuckle separates from lower ball joint stud.
CAUTION: Care must be taken not to separate the
inner C/V joint during the following steps. Pulling
steering knuckle out from vehicle after releasing
from ball joint can separate inner C/V joint, thus
damaging it. Do not allow driveshaft to hang by
inner C/V joint; driveshaft must be supported upon
removal from knuckle.
Fig. 10 Separating Steering knuckle from driveshaft
(13) Remove upper ball joint stud from steering
knuckle using Puller, Special Tool, C-3894-A (Fig. 11).
Fig. 11 Ball Joint Stud Removal From Steering
Knuckle
1 - BALL JOINT
2 - BALL JOINT STUD
3 - SPECIAL TOOL C-3894-A
4 - SHOCK ABSORBER ASSEMBLY
5 - UPPER CONTROL ARM
(7) Installwheelspeedsensorcablerouting
bracket on steering knuckle (Fig. 7) and securely
tighten attaching bolt.
CAUTION: When installing tie rod on steering
knuckle, the heat shield (Fig. 12) must be installed.
If heat shield is not installed, tie rod seal boot can
fail due to excessive heat from brake rotor.
(8) Install outer tie rod stud into steering knuckle.
Start outer tie rod attaching nut onto tie rod stud.
While holding stud of tie rod stationary, tighten nut
using a crowfoot and socket to 61 N·m (45 ft. lbs.)
torque (Fig. 12).
(14) Remove steering knuckle from vehicle.
(15) If necessary, remove lower ball joint grease
seal heat shield on steering knuckle.
(16) If steering knuckle is being replaced and hub
and bearing is found to be in usable condition, it can
be transferred to replacement steering knuckle. To
remove the hub and bearing, (Refer to 2 - SUSPENSION/FRONT/HUB / BEARING - REMOVAL).
INSTALLATION
(1) If required, install hub/bearing assembly into
steering knuckle before installing steering knuckle
on vehicle. (Refer to 2 - SUSPENSION/FRONT/HUB
/ BEARING - INSTALLATION)
(2) If removed, install lower ball joint grease seal
heat shield on steering knuckle.
(3) Slide driveshaft into front hub/bearing assembly as steering knuckle is installed onto lower ball
joint stud.
(4) Install lower ball joint castle nut. Do not
tighten at this time.
(5) Install upper ball joint in steering knuckle.
Install upper ball joint nut. Tighten upper ball joint
nut to 27 N·m (20 ft. lbs.) torque.
(6) Using a crowfoot and torque wrench, tighten
the lower ball joint nut 75 N·m (55 ft. lbs.) torque
(Fig. 8). Install cotter pin.
(9) Install brake rotor, and caliper, shoes and
adapter assembly. (Refer to 5 - BRAKES/HYDRAULIC/MECHANICAL/ROTORS - INSTALLATION)
(10) Clean all foreign matter from threads of outer
C/V joint stub axle. Install hub nut onto driveshaft
stub axle. With vehicle brakes applied to keep braking disc from turning, tighten hub nut to 203 N·m
(150 ft. lbs.) torque.
(11) Install front wheel and tire assembly. Install
front wheel lug nuts and progressively tighten in
crisscross sequence to 135 N·m (100 ft. lbs.) torque.
(12) Lower vehicle.
(13) Set front toe on vehicle to required specification. (Refer to 2 - SUSPENSION/WHEEL ALIGNMENT - STANDARD PROCEDURE).
Page 48
JRFRONT SUSPENSION2 - 11
LOWER BALL JOINT
DESCRIPTION
The ball joint used in the lower control arm of this
vehicle is a sealed for life ball joint. The ball joint
can not be replaced as a separate component of the
lower control arm assembly. If the ball joint is determined to be defective it will require replacement of
the complete lower control arm assembly.
The lower ball joint connection to the steering
knuckle is achieved by an interference fit created by
the tapered stud of the ball joint and a tapered hole
in the steering knuckle. The ball joint stud is
retained in the steering knuckle using a castle nut
and a cotter pin. The cotter pin is used for positive
retention of the castle nut.
The lower ball joint is lubricated for life at the
time it is assembled in the lower control arm.
NOTE: The ball joint does not require any type of
additional lubrication for the life of the vehicle. No
attempt should be made to ever add any lubrication
to the lower ball joint.
DIAGNOSIS AND TESTING - LOWER BALL
JOINT
(1) Raise the vehicle on jack stands or centered on
a frame contact type hoist. (Refer to LUBRICATION
& MAINTENANCE/HOISTING - SERVICE PROCEDURE).
(2) Install a dial indicator on the vehicle so it is
contacting the top surface of the steering knuckle
near the lower ball joint stud castle nut.
(3) Grab wheel and tire assembly and push it up
and down firmly.
(4) Record the amount of up and down movement
of the steering knuckle recorded on the dial indicator.
(5) Replace lower control arm if the movement in
the lower control arm exceeds 1.5 mm (.059 in.).
LOWER BALL JOINT SEAL
BOOT
CAUTION: Under no circumstances can a lower ball
joint seal boot be replaced if it is determined that
the vehicle had been driven with the seal boot damaged. If the vehicle has been driven with a damaged
seal boot contamination of the ball joint has
occurred. When contamination of the ball joint has
occurred the lower control arm must be replaced.
This is to ensure excessive wear of the ball joint
does not occur from the contamination present in
the ball joint.
CAUTION: Excessive wear in the ball joint can lead
to a separation of the ball joint from the lower control arm.
CAUTION: The procedure below must be carefully
followed when replacing the ball joint seal in the
event it is damaged while servicing a vehicle.
CAUTION: The ball joint used in the lower control
arm of this vehicle is a lubricated for life ball joint.
This ball joint does not required any additional
lubrication for the life of the vehicle. Do not alter
the lower control arm or ball joint in an attempt to
lubricate the lower control arm ball joint. If it is
determined that the ball joint is lacking proper lubrication, the lower control arm will need to be
replaced.
(1) Remove lower control arm assembly from vehicle. (Refer to 2 - SUSPENSION/FRONT/LOWER
CONTROL ARM - REMOVAL).
(2) Wrap a shop towel around the ball joint and
seal boot. This is to prevent dirt and cleaning solvent
to enter ball joint when cleaning area around ball
joint.
(3) Using ONLY a solvent such as Mopar Foamy
Engine Degreaser or an equivalent, thoroughly clean
lower control arm in area around ball joint and seal.
Then using a shop towel saturated with the engine
degreaser, carefully wipe off the ball joint seal boot.
REMOVAL
CAUTION: The replacement of the lower ball joint
seal boot can only be done in the event that the
seal boot is damaged while performing a service
procedure on the vehicle.
Page 49
2 - 12FRONT SUSPENSIONJR
LOWER BALL JOINT SEAL BOOT (Continued)
(4) Using 2 screwdrivers (Fig. 13) remove the ball
joint seal retaining ring from the bottom of the ball
joint seal.
Fig. 13 Removing Ball Joint Seal Retaining Ring
1 - UPPER SEALING RING
2 - LOWER CONTROL ARM
3 - BALL JOINT
4 - SCREWDRIVERS
5 - BALL JOINT SEAL RETAINING RING
6 - BALL JOINT SEAL
CAUTION: The procedure below must be carefully
followed when replacing the ball joint seal in the
event it is damaged while servicing a vehicle.
CAUTION: The ball joint used in the lower control
arm of this vehicle is a lubricated for life ball joint.
This ball joint does not required any additional
lubrication for the life of the vehicle. Do not alter
the lower control arm or ball joint in an attempt to
lubricate the lower control arm ball joint. If it is
determined that the ball joint is lacking proper lubrication, the lower control arm will need to be
replaced.
CAUTION: When replacing ball joint seal, do not
use any other type of grease to lubricate ball joint
other than the lubricant provided in the Mopar Ball
Joint Seal service kit.
(1) Apply grease from the ball joint seal kit, to the
specified areas of the ball joint stud and seal (Fig.
14). Be sure no grease is present on the seal boot
installation section of the seal boot or lower control
arm (Fig. 14).
(5) Remove ball joint seal from ball joint.
INSTALLATION
CAUTION: The replacement of the lower ball joint
seal boot can only be done in the event that the
seal boot is damaged while performing a service
procedure on the vehicle.
CAUTION: Under no circumstances can a lower ball
joint seal boot be replaced if it is determined that
the vehicle had been driven with the seal boot damaged. If the vehicle has been driven with a damaged
seal boot contamination of the ball joint has
occurred. When contamination of the ball joint has
occurred the lower control arm must be replaced.
This is to ensure excessive wear of the ball joint
does not occur from the contamination present in
the ball joint.
CAUTION: Excessive wear in the ball joint can lead
to a separation of the ball joint from the lower control arm.
Fig. 14 Grease Correctly Applied To Ball Joint Stud
And Seal Boot
1 - UPPER SEALING RING
2 - LIP
3 - GREASE
4 - BALL JOINT STUD TAPERED SECTION
5 - GREASE
6 - BOOT INSTALLATION SECTION
Wipe off the grease.
7 - BOOT INSTALLATION SECTION
Wipe off the grease.
8 - BALL JOINT SEAL BOOT
(2) Slide ball joint seal boot with upper seal ring
installed, (Fig. 14) down tapered section of ball joint
stud (Fig. 14). Seal boot is to be installed on stud of
ball joint until seal boot is sitting on seal groove in
lower control arm.
Page 50
JRFRONT SUSPENSION2 - 13
LOWER BALL JOINT SEAL BOOT (Continued)
(3) Carefully position ball joint seal boot in seal
retaining groove on lower control arm. After installing seal boot in retaining groove, carefully bleed air
out of sealing boot without getting grease pushed
into seal boot retaining groove in lower control arm.
(4) Place Retaining Ring Installer, Special Tool,
6875-1 over ball joint seal boot (Fig. 15). Using
adjusting knob, adjust tool so bottom edge of tool is
even with top of retaining ring groove in seal boot
(Fig. 15).
(5) Place seal boot retaining ring on Installer, Special Tool, 6875- 1 (Fig. 16). Then place expandable
collar from Installer, Special Tool, 6875 over tapered
cone of the special tool (Fig. 16).
Fig. 16 Retaining Ring And Expandable Collar
Installed On Tool
1 - SPECIAL TOOL 6875
2 - LOWER CONTROL ARM
3 - SEAL BOOT RETAINING RING
Fig. 15 Correctly Installed Ball Joint Seal Retaining
Ring Tool
1 - SPECIAL TOOL 6875-1
2 - ADJUSTING KNOB
3 - LOWER CONTROL ARM
4 - SEAL BOOT RETAINING RING GROOVE
5 - BOTTOM EDGE OF TOOL MUST BE EVEN WITH TOP OF
RETAINING RING GROOVE IN SEAL BOOT AS SHOWN
(6) Using the expandable collar of Installer, Special Tool, 6875 (Fig. 17) push the seal boot retaining
ring down the cone of Installer, Special Tool, 6875.
Fig. 17 Installing Seal Boot Retaining Ring
1 - LOWER CONTROL ARM
2 - RETAINING RING
3 - SPECIAL TOOL 6875
Page 51
2 - 14FRONT SUSPENSIONJR
LOWER BALL JOINT SEAL BOOT (Continued)
(7) Continuepushingretainingringdown
Installer, Special Tool, 6875, until it is installed in
the retaining ring groove of the seal boot (Fig. 18)
Fig. 18 Retaining Ring Installed In Ball Joint Seal
Boot
1 - LOWER CONTROL ARM
2 - SEAL BOOT RETAINING RING
3 - SPECIAL TOOL 6875
(8) Remove Installer, Special Tool, 6875 from the
ball joint seal boot. When removing tool from seal
boot be careful not to damage the seal boot
with the tool.
(9) Check retaining ring installation on seal boot
to ensure it is fully seated in seal boot groove and
the ends are not twisted (Fig. 19). Also, make sure
upper sealing ring is on seal boot and correctly
installed (Fig. 19). Check seal boot for damage before
installing back on car.
(10) Install lower control arm assembly back on
vehicle. (Refer to 2 - SUSPENSION/FRONT/LOWER
CONTROL ARM - INSTALLATION).
LOWER CONTROL ARM
DESCRIPTION
The lower control arm is a ductile iron casting
using 2 rubber bushings to isolate it from the front
suspension crossmember and body of the vehicle. The
isolator bushings consist of 2 metal encased rubber
isolated pivot bushings. The front of the lower control
arm is bolted to the front crossmember using a bolt
through the center of the rubber pivot bushing. The
rear of the lower control arm is mounted to the front
suspension crossmember using a through-bolt. The
lower control arms are inter-connected through a
linked rubber isolated sway bar.
OPERATION
The lower control arm supports the lower end of
the steering knuckle and allows for the up and down
movement of the suspension during the jounce and
rebound travel. It also provides a lower mounting
point for the shock assembly.
DIAGNOSIS AND TESTING - LOWER CONTROL
ARM
If damaged, the lower control arm casting is serviced only as a complete component. Inspect lower
control arm for signs of damage from contact with
the ground or road debris. If lower control arm shows
any sign of damage, inspect lower control arm for
distortion. Do not attempt to repair or straighten
a broken or bent lower control arm.
The replaceable components of the lower control
arm are: the ball joint grease seal and the control
arm bushings. Inspect both control arm bushings for
severe deterioration, and replace if required.
Inspect the lower ball joint for wear. Use the wear
inspection procedure in the diagnosis and testing section in this group of service manual to determine if
the wear is excessive and ball joint (lower control
arm) replacement is required.
Service procedures to replace these components are
detailed in the specific component removal and
installation sections in this group of the service manual.
Fig. 19 Properly Installed Ball Joint Seal Boot
1 - LOWER CONTROL ARM
2 - UPPER SEALING RING
3 - SEAL BOOT RETAINING RING
4 - SEAL BOOT
5 - BALL JOINT STUD
REMOVAL
(1) Raise vehicle. (Refer to LUBRICATION &
MAINTENANCE/HOISTING - SERVICE PROCEDURE).
(2) Remove tire and wheel assembly.
Page 52
JRFRONT SUSPENSION2 - 15
LOWER CONTROL ARM (Continued)
NOTE: Removing the outer tie rod from the steering
knuckle allows the steering knuckle to be turned
further. This allows better access to the steering
knuckle when striking it to remove the ball joint
stud from the steering knuckle.
(3) Remove nut attaching the outer tie rod to
steering knuckle (Fig. 20). Remove nut from tie
rod end by holding tie rod stud with a socket
while loosening and removing nut with wrench
(Fig. 20).
1 - TIE ROD
2 - HEAT SHIELD
3 - STEERING KNUCKLE
4 - TIE ROD STUD
5 - NUT
(4) Remove outer tie rod from steering knuckle
using Remover, Special Tool C-3894-A.
(5) Remove cotter pin and castle nut from lower
ball joint stud (Fig. 21).
CAUTION: No tool is to be inserted between the
steering knuckle and the lower ball joint to separate
the lower ball joint from the steering knuckle. The
steering knuckle is to be separated from the ball
joint only using the procedure as described in step
Step 6 below.
CAUTION: When striking the steering knuckle, do
not hit the heat shield covering the ball joint grease
seal. Bending the heat shield against the ball joint
grease seal will cause the grease seal to fail.
(6) Turn steering knuckle so front of steering
knuckle is facing as far outboard in the wheel opening as possible. Using a hammer (Fig. 22), strike
steering knuckle boss until steering knuckle separates from lower ball joint. When striking steering
knuckle, care MUST be taken not to hit lower
control arm or ball joint grease seal.
Fig. 22 Separating Lower Ball Joint Stud From
Steering Knuckle
1 - HAMMER
2 - BALL JOINT STUD
3 - STEERING KNUCKLE BOSS
4 - HEAT SHIELD
5 - LOWER CONTROL ARM
CAUTION: Pulling the steering knuckle outward
from the vehicle after releasing it from the ball joint,
can separate driveshaft inner C/V joint, thus damaging it. (Refer to 2 - DRIVELINE AND DRIVESHAFT/
HALFSHAFT - REMOVAL).
Page 53
2 - 16FRONT SUSPENSIONJR
LOWER CONTROL ARM (Continued)
(7) Remove shock absorber clevis to lower control
arm bushing, nut and thru-bolt. Separate clevis from
lower control arm (Fig. 23).
Fig. 23 Clevis To Lower Control Arm Attachment
1 - TIE ROD
2 - LOWER CONTROL ARM
3 - SHOCK ABSORBER CLEVIS
4 - THRU-BOLT
(8) Remove nut attaching stabilizer bar link to
lower control arm (Fig. 24). When removing nut, hold
stud of stabilizer bar link from turning by inserting
an allen wrench in end of stud (Fig. 24).
(9) Remove bolts attaching closest stabilizer bar
bushing clamp to front suspension crossmember and
body of vehicle (Fig. 25).
Fig. 25 Stabilizer Bar Bushing Clamp Attachment To
Vehicle
1 - STABILIZER BAR BUSHING CLAMP
2 - FRONT SUSPENSION CROSSMEMBER
3 - ATTACHING BOLTS
4 - STABILIZER BAR
5 - VEHICLE BODY
(10) Lower that side of stabilizer bar away from
lower control arm and body of vehicle.
(11) Remove nut and bolt attaching rear of lower
control arm to front suspension crossmember (Fig.
26).
Fig. 24 Removing/Installing Nut From Stud Of
Stabilizer Link
1 - ALLEN WRENCH
2 - LOWER CONTROL ARM
3 - WRENCH
4 - STABILIZER BAR LINK ASSEMBLY
Fig. 26 Lower Control Arm Attachment To Front
Suspension Crossmember
1 - FRONT SUSPENSION CROSSMEMBER
2 - LOWER CONTROL ARM ATTACHING BOLT AND NUT
3 - LOWER CONTROL ARM
Page 54
JRFRONT SUSPENSION2 - 17
LOWER CONTROL ARM (Continued)
(12) Remove nut and bolt attaching the front of
lower control arm to front suspension crossmember
(Fig. 27).
Fig. 27 Attaching Front Of Lower Control Arm To
Suspension Crossmember
1 - ATTACHING BOLT AND NUT
2 - SHOCK CLEVIS
3 - STABILIZER BAR
4 - LOWER CONTROL ARM
5 - FRONT SUSPENSION CROSSMEMBER
CAUTION: When removing lower control arm from
crossmember care must be taken to prevent hitting
lower ball joint seal against steering knuckle, causing damage to the ball joint seal.
(13) Remove front of lower control arm from suspension crossmember first, then remove rear of lower
control arm from suspension crossmember. When
removing rear of lower control arm from crossmember, keep control arm as level as possible. This will
keep rear bushing from binding on crossmember
making it easier to remove control arm from crossmember.
DISASSEMBLY
DISASSEMBLY - FRONT ISOLATOR BUSHING
To perform removal and replacement of the lower
control arm isolator bushings, the lower control arm
must be removed from the vehicle.
(1) Remove lower control arm assembly from vehicle. (Refer to 2 - SUSPENSION/FRONT/LOWER
CONTROL ARM - REMOVAL).
(2) Install Bushing Remover, Special Tool 6602-5
and Bushing Receiver, Special Tool MB-990799 on
Special Tool C-4212-F.
(3) Install lower control arm on Special Tools
assembled for removal of the front isolator bushing.
Be sure Special Tool MB-990799 is square on lower
control arm and Special Tool 6602-5 is positioned correctly on isolator bushing (Fig. 28).
Fig. 28 Removing Front Bushing From Lower
Control Arm
1 - SPECIAL TOOL MB-990799
2 - LOWER CONTROL ARM
3 - FRONT ISOLATOR BUSHING
4 - SPECIAL TOOL 6602-5
5 - SPECIAL TOOL C-4212-F
(4) Tighten screw on Remover/Installer Special
Tool C-4212-F to press front bushing out of lower
control arm.
DISASSEMBLY - REAR ISOLATOR BUSHING
To perform removal and replacement of the lower
control arm isolator bushings, the lower control arm
must be removed from the vehicle.
(1) Remove lower control arm assembly from vehicle. (Refer to 2 - SUSPENSION/FRONT/LOWER
CONTROL ARM - REMOVAL).
(2) Install Bushing Remover, Special Tool 6756 and
Bushing Receiver, Special Tool C-4366-2 on Special
Tool C-4212-F (Fig. 29).
(3) Install Special Tools assembled for removal of
the rear isolator bushing on the lower control arm.
Be sure Special Tool C-4366-2 is square on lower control arm and Special Tool 6756 is positioned correctly
on isolator bushing (Fig. 29).
(4) Tighten screw on Remover/Installer Special
Tool C-4212-F to press rear bushing out of lower control arm.
DISASSEMBLY - CLEVIS BUSHING
To perform removal and replacement of the lower
control arm clevis bushing, the lower control arm
must be removed from the vehicle.
(1) Remove lower control arm assembly from vehicle. (Refer to 2 - SUSPENSION/FRONT/LOWER
CONTROL ARM - REMOVAL).
Page 55
2 - 18FRONT SUSPENSIONJR
LOWER CONTROL ARM (Continued)
ASSEMBLY
ASSEMBLY - FRONT ISOLATOR BUSHING
To perform removal and replacement of the lower
control arm isolator bushings, the lower control arm
must be removed from the vehicle.
(1) Mount Bushing Installer, Special Tool 6876 on
screw portion of Remover/Installer Special Tool
C-4212-F (Fig. 31).
(2) Start front bushing into lower control arm by
hand, making sure it is square with its mounting hole in the lower control arm. Bushing is to
be installed in lower control arm from the machined
surface side of lower control arm bushing hole.
(3) Install lower control arm on Special Tools
Fig. 29 Removing Lower Control Arm Rear Bushing
1 - SPECIAL TOOL C-4366-2
2 - LOWER CONTROL ARM
3 - SPECIAL TOOL 6756
4 - SPECIAL TOOL C-4212-F
(2) Install Bushing Remover, Special Tool 6877 and
Bushing Receiver, Special Tool 6876 on Special Tool
C-4212-F.
(3) Install lower control arm on Special Tools
assembled for removal of the clevis isolator bushing.
Be sure Special Tool 6876 is square on lower control
arm and Special Tool 6877 is positioned correctly on
clevis bushing (Fig. 30).
assembled for installation of front isolator bushing
into lower control arm (Fig. 31). Be sure Special Tool
6758 is square on lower control arm and Special Tool
6876 is positioned correctly on isolator bushing.
Fig. 30 Removing Clevis Bushing From Lower
Control Arm
1 - SPECIAL TOOL 6877
2 - LOWER CONTROL ARM
3 - SPECIAL TOOL 6876
4 - SPECIAL TOOL C-4212-F
(4) Tighten screw on Remover/Installer Special
Tool C-4212-F to press clevis bushing out of lower
control arm.
Fig. 31 Installing
1 - SPECIAL TOOL 6876
2 - ISOLATOR BUSHING
3 - MACHINED SURFACE SIDE OF LOWER CONTROL ARM
4 - SPECIAL TOOL 6758
5 - SPECIAL TOOL C-4212-F
(4) Tighten screw on Remover/Installer Special
Tool C-4212-F pressing front bushing into lower control arm. Continue pressing front bushing into lower
control arm until bushing is sitting flush on the
machined surface of the lower control arm. This will
correctly position front bushing in lower control arm.
(5) Install lower control arm assembly back on
vehicle. (Refer to 2 - SUSPENSION/FRONT/LOWER
CONTROL ARM - INSTALLATION).
ASSEMBLY - REAR ISOLATOR BUSHING
To perform removal and replacement of the lower
control arm isolator bushings, the lower control arm
must be removed from the vehicle.
Page 56
JRFRONT SUSPENSION2 - 19
LOWER CONTROL ARM (Continued)
(1) Start rear bushing into lower control arm by
hand, making sure it is square with its mounting hole in the lower control arm. Bushing is to
be installed from the machined surface side of lower
control arm bushing hole, with the void in rubber
portion of bushing facing away from ball joint (Fig.
32).
Fig. 33 Installing Rear Bushing In Lower Control
Arm
1 - SPECIAL TOOL C-4212-F
2 - REAR BUSHING
3 - SPECIAL TOOL 6760
4 - MACHINED SURFACE ON LOWER CONTROL ARM
5 - LOWER CONTROL ARM
6 - SPECIAL TOOL 6756
1 - FRONT ISOLATOR BUSHING
2 - LOWER CONTROL ARM
3 - REAR ISOLATOR BUSHING
4 - MACHINED SURFACE
5 - VOID IN BUSHING IN THIS DIRECTION
(2) Mount Bushing Installer, Special Tool 6760 on
screw portion of Remover/Installer Special Tool
C-4212-F (Fig. 33).
(3) Install Special Tools assembled for installation
of rear isolator bushing into lower control arm on the
lower control arm. Be sure Special Tool 6756 is
square on lower control arm and Special Tool 6760 is
positioned correctly on isolator bushing (Fig. 33).
(4) Tighten screw on Remover/Installer Special
Tool C-4212-F pressing rear bushing into lower control arm. Continue pressing rear bushing into lower
control arm until bushing is sitting flush on the
machined surface (Fig. 33) of the lower control arm.
This will correctly position rear bushing in lower control arm.
(5) Install lower control arm assembly back on
vehicle. (Refer to 2 - SUSPENSION/FRONT/LOWER
CONTROL ARM - INSTALLATION).
ASSEMBLY - CLEVIS BUSHING
To perform removal and replacement of the lower
control arm clevis bushing, the lower control arm
must be removed from the vehicle.
(1) Start clevis bushing into lower control arm by
hand, making sure it is square with its mounting hole in the lower control arm. Bushing is to
be installed in lower control arm from the machined
surface side of lower control arm bushing hole.
(2) Mount Bushing Installer, Special Tool 6877 on
screw portion of Remover/Installer Special Tool
C-4212-F as shown in (Fig. 34).
(3) Install the assembled special tools for installing
the clevis bushing into the lower control arm, on the
lower control arm and clevis bushing (Fig. 34). Be
sure Special Tool 6876 is square on lower control arm
and Special Tool 6877 is positioned correctly on clevis
bushing (Fig. 34).
(4) Tighten screw on Remover/Installer Special
Tool C-4212-F pressing clevis bushing into lower control arm. Continue pressing clevis bushing into lower
control arm until bushing is sitting flush with the
machined surface of the lower control arm. This will
correctly position the clevis bushing in the lower control arm.
(5) Install lower control arm assembly back on
vehicle. (Refer to 2 - SUSPENSION/FRONT/LOWER
CONTROL ARM - INSTALLATION).
INSTALLATION
(1) Position rear of lower control arm into front
suspension crossmember first, then install front of
lower control arm in front suspension crossmember.
Install bolts and nuts attaching front and rear of
lower control arm to front suspension crossmember
(Fig. 27) (Fig. 26). Do not tighten front attachingbolt at this time. Tighten lower control arm rear
attaching nut and bolt (Fig. 26) to 95 N·m (70 ft. lbs.)
torque.
Page 57
2 - 20FRONT SUSPENSIONJR
LOWER CONTROL ARM (Continued)
Fig. 34 Installing Clevis Bushing In Lower Control
Arm
1 - SPECIAL TOOL 6877
2 - MACHINED SURFACE SIDE OF LOWER CONTROL ARM
3 - SPECIAL TOOL 6876
4 - SPECIAL TOOL C-4212-F
5 - LOWER CONTROL ARM
6 - CLEVIS BUSHING
(2) Install lower control arm ball joint stud into
steering knuckle. Install the steering knuckle to ball
joint stud castle nut (Fig. 21). Do not tighten nut
at this time.
CAUTION: When installing tie rod on steering
knuckle, the heat shield (Fig. 35) must be installed.
If heat shield is not installed, tie rod seal boot can
fail due to excessive heat from brake rotor.
(3) Install outer tie rod stud into steering knuckle.
Start outer tie rod-to-steering knuckle attaching nut
onto tie rod stud. While holding stud of tie rod end
stationary, tighten nut using a crowfoot and 11/32
socket. Tighten nut to 61 N·m (45 ft. lbs.) torque
(Fig. 35).
(4) Tighten lower control arm ball joint castle nut
to 74 N·m (55 ft. lbs.) torque. Install cotter pin (Fig.
21).
(5) Position stabilizer bar link into its lower control arm mounting hole.
(6) Align stabilizer bar bushing clamp with mounting holes in front suspension crossmember and body
of vehicle. Install and tighten bushing clamp mounting bolts to 61 N·m (45 ft. lbs.) torque (Fig. 25).
(7) Install and tighten stabilizer bar link-to-lower
control arm nut to 102 N·m (75 ft. lbs.) torque. When
tightening nut, hold stud of link from turning using
an allen wrench (Fig. 24).
(8) Align shock absorber clevis with bushing in
lower control arm and install thru-bolt and nut (Fig.
CAUTION: When supporting lower control arm with
jack stand, do not position jack stand under the ball
joint cap on the lower control arm. Position stand in
area of lower control arm shown (Fig. 36).
(9) Position a jack stand under lower control arm,
so that when arm is lowered onto it, vehicle will be
at curb height (Fig. 36).
(10) Lower vehicle with jack stand positioned
under lower control arm (Fig. 36). Continue to lower
vehicle until total weight of that corner of vehicle is
supported by jack stand and lower control arm.
Fig. 36 Supporting Lower Control Arm With Jack
Stand
1 - SHOCK ABSORBER CLEVIS
2 - LOWER CONTROL ARM
3 - BALL JOINT CAP
Page 58
JRFRONT SUSPENSION2 - 21
LOWER CONTROL ARM (Continued)
CAUTION: When tightening the thru-bolt and nut,
do not turn the bolt in the clevis. The serrations on
the bolt and the hole in the clevis will be damaged.
(11) With the vehicle’s suspension at curb height,
tighten the clevis-to-lower control arm bushing thrubolt nut (Fig. 23) to 88 N·m (65 ft. lbs.) torque.
(12) Tighten front lower control arm nut and bolt
(Fig. 27) to 182 N·m (135 ft. lbs.) torque.
(13) Raise vehicle and remove jack stand from
under lower control arm.
(14) Install wheel and tire assembly. Install wheel
mounting (lug) nuts and progressively tighten in
proper sequence to 135 N·m (100 ft. lbs.) torque.
(15) Lower vehicle.
(16) Check wheel alignment specifications and set
front toe to preferred specifications. (Refer to 2 SUSPENSION/WHEEL ALIGNMENT - STANDARD
PROCEDURE)
SHOCK ASSEMBLY
DESCRIPTION - SHOCK ASSEMBLY
The front shock assembly and suspension of the
vehicle is supported by coil springs positioned around
shock absorbers. The springs are contained between
an upper seat located in the upper mounting bracket
and a lower spring seat on the shock absorber.
The top of each shock absorber is bolted to a cast
shock absorber/upper control arm bracket which is
bolted to the shock tower of the vehicle using 4
mounting bolts.
The bottom of the shock absorber attaches to a clevis bracket using a pinch bolt. The clevis bracket
attaches to the lower control arm of the vehicle using
a through-bolt and prevailing torque nut.
If shock absorbers require replacement, be sure
that they are replaced with shock absorbers meeting
the correct specifications for the particular vehicle.
A coil spring is housed within each shock assembly.
Coil springs are rated separately for each corner or
side of the vehicle depending on optional equipment
and type of vehicle service. If the coil springs require
replacement, be sure that the springs needing
replacement, are replaced with springs meeting the
correct load rating and spring rate for the vehicle
and its specific options.
The components of the shock assembly listed below
are serviceable if found to be defective (Fig. 37):
• Upper mounting bracket
• Upper spring isolator
• Dust shield
• Cup
• Jounce bumper
• Coil spring
• Shock absorber
• Lower spring isolator
Fig. 37 Shock Assembly Components
1 - SHOCK ABSORBER ROD BUSHING
2 - UPPER CONTROL ARM
3 - RETAINER WASHER
4 - COIL SPRING
5 - SHOCK ABSORBER
6 - LOWER SPRING ISOLATOR
7 - JOUNCE BUMPER
8 - DUST SHIELD
9 - CUP
10 - UPPER SPRING ISOLATOR
11 - UPPER MOUNTING BRACKET
The shock absorber/upper control arm mounting
bracket also provides a pivotal mounting point for
the upper control arm.
Page 59
2 - 22FRONT SUSPENSIONJR
SHOCK ASSEMBLY (Continued)
OPERATION - SHOCK ASSEMBLY
The shock absorber assembly cushions the ride of
the vehicle, controlling vibration, and jounce and
rebound of the suspension.
The coil spring controls ride quality and maintains
proper ride height.
The spring isolators isolate the coil spring at the
top and bottom from coming into metal-to-metal contact with the upper mounting bracket and shock
absorber.
The jounce bumper limits suspension travel and
metal-to-metal contact under full jounce condition.
The shock absorber dampens jounce and rebound
motions of the coil spring and suspension.
DIAGNOSIS AND TESTING - SHOCK ASSEMBLY
(FRONT)
(1) Inspect for damaged or broken coil springs
(Fig. 38).
(2) Inspect for torn or damaged shock absorber
dust boots (Fig. 38).
(3) Lift the dust boot and inspect the shock
absorber for evidence of fluid running from the upper
end of fluid reservoir. (Actual leakage will be a
stream of fluid running down the side and dripping
off the lower end of the shock absorber). A slight
amount of seepage between the shock absorber rod
and the seal is not unusual and does not affect performance of the shock absorber. Also inspect jounce
bumpers for signs of damage or deterioration (Fig.
38).
1 - UPPER SPRING SEAT
2 - DUST BOOT
3 - SHOCK ABSORBER
4 - COIL SPRING
Fig. 38 On Vehicle Inspection
REMOVAL - SHOCK ASSEMBLY
NOTE: Before proceeding, (Refer to 2 - SUSPENSION/FRONT - WARNING).
(1) Loosen wheel nuts.
(2) Raise vehicle. (Refer to LUBRICATION &
MAINTENANCE/HOISTING - SERVICE PROCEDURE).
(3) Remove the wheel and tire assembly.
(4) If both shock assemblies are removed, mark
the shock assemblies right and left according to
which side of the vehicle they were removed from.
(5) Remove the wheel speed sensor cable routing
bracket (Fig. 39) from the steering knuckle.
(6) Remove the nut from the upper ball joint stud.
(7) Remove the upper ball joint stud from the
steering knuckle using Puller, Special Tool, C-3894-A
(Fig. 40). Pull steering knuckle outward and position
toward the rear of the front wheel opening.
Fig. 40 Ball Joint Stud Removal From Steering
Knuckle
1 - BALL JOINT
2 - BALL JOINT STUD
3 - SPECIAL TOOL C-3894-A
4 - SHOCK ABSORBER ASSEMBLY
5 - UPPER CONTROL ARM
(12) Remove the shock assembly from the vehicle.
The shock assembly is removed out through the front
area of the front wheel well.
(13)
For disassembly of the shock assembly, (Refer to
2 - SUSPENSION/FRONT/SHOCK - DISASSEMBLY).
DISASSEMBLY - SHOCK ASSEMBLY
The shock assembly must be removed from the
vehicle for it to be disassembled and assembled.
(Referto2-SUSPENSION/FRONT/SHOCKREMOVAL)
For the disassembly and assembly of the shock
assembly, use strut spring compressor Pentastar Service Equipment (PSE) tool W-7200, or equivalent, to
compress the coil spring. Follow the manufacturer’s
instructions closely.
(1) If both shocks are being serviced at the same
time, mark the coil spring and shock assembly
according to which side of the vehicle the shock was
removed from, and which shock the coil spring was
removed from.
Position the shock assembly in the strut coil
(2)
springcompressorfollowingthemanufacturer’s
instructions. Set the lower hooks and install the clamp
on the lower end of the coil spring, so the shock is held
in place once the shock shaft nut is removed (Fig. 44).
Rotate the shock assembly so the upper control arm
ball joint sits directly below the front upper hook as
shown (Fig. 45). Position the upper hooks on top of the
upper mounting bracket (Fig. 45).
1 - UPPER HOOKS
2 - UPPER MOUNTING BRACKET
3 - UPPER CONTROL ARM
4 - UPPER BALL JOINT
5 - FRONT HOOK
WARNING: DO NOT REMOVE THE SHOCK ROD
NUT BEFORE THE COIL SPRING IS COMPRESSED.
THE COIL SPRING IS HELD UNDER PRESSURE
AND MUST BE COMPRESSED, REMOVING SPRING
TENSION FROM THE UPPER MOUNTING BRACKET
BEFORE THE ROD NUT IS REMOVED.
(3) Compress the coil spring until all coil spring
tension is removed from the upper mounting bracket.
(4) Hold the shock rod from rotating using special
socket Snap-On A136t, or an equivalent, and remove
the retainer nut (Fig. 46).
(5) Remove the upper bushing retainer washer
(Fig. 47) from the shock absorber rod.
(6) Remove the clamp from the bottom of the coil
spring and remove the shock absorber, lower spring
isolator, jounce bumper, cup, dust boot, and lower
bushing retainer washer out through the bottom of
the coil spring.
NOTE: If the coil spring, upper mounting bracket,
rod bushings, upper coil spring isolator, or upper
control arm need to be serviced, proceed with the
next step, otherwise, proceed with step 11.
Page 62
JRFRONT SUSPENSION2 - 25
SHOCK ASSEMBLY (Continued)
made. Remove the coil spring from the spring compressor.
(9) Remove the shock absorber rod upper isolator
bushing from the upper (shock absorber/upper control arm) mounting bracket (Fig. 48).
1 - SHOCK ABSORBER/CONTROL ARM MOUNTING BRACKET
2 - SHOCK ABSORBER ROD UPPER ISOLATOR BUSHING
Fig. 47 Washer
1 - SHOCK ABSORBER/UPPER CONTROL ARM MOUNTING
BRACKET
2 - ISOLATOR BUSHING
3 - WASHER
NOTE: Before removing the coil spring from the
spring compressor, note the position of the lower
coil spring end to the spring compressor. The coil
spring will need to be in this position on reassembly for proper coil spring-to-shock absorber and
upper mounting bracket orientation.
(7) Release the tension from the coil spring by
backing off the compressor drive fully. Push back the
compressor upper hooks and remove the upper
mounting bracket and upper control arm from the
coil spring.
(8) Note the position of the coil spring in the
spring compressor as listed in the above note before
removal. This is necessary for proper alignment of
the shock assembly components when reassembly is
(10) Remove the shock absorber rod lower isolator
bushing and sleeve from the upper (shock absorber/
upper control arm) mounting bracket (Fig. 49).
Remove upper coil spring isolator from mounting
bracket.
Fig. 49 Shock Absorber Rod Lower Isolator Bushing
1 - SHOCK ABSORBER/CONTROL ARM MOUNTING BRACKET
2 - UPPER SPRING ISOLATOR
3 - SLEEVE
4 - LOWER ISOLATOR BUSHING
NOTE: If removal of the upper control arm is necessary, (Refer to 2 - SUSPENSION/FRONT/UPPER
CONTROL ARM - REMOVAL).
(11) Remove the lower shock rod bushing retainer
washer from the shock absorber rod (Fig. 50).
Page 63
2 - 26FRONT SUSPENSIONJR
SHOCK ASSEMBLY (Continued)
(12) Remove the dust shield and cup as an assembly from the shock absorber rod by pulling both
straight up and off the shock rod (Fig. 50). The
jounce bumper may come off at the same time.
Remove the jounce bumper and metal collar.
• Inspect the jounce bumper for cracks and signs
of deterioration.
• Inspect the coil spring for any sign of damage to
the coating.
ASSEMBLY - SHOCK ASSEMBLY
For the disassembly and assembly of the shock
assembly, use strut spring compressor Pentastar Service Equipment (PSE) tool W-7200, or the equivalent,
to compress the coil spring. Follow the manufacturer’s instructions closely.
NOTE: If the coil spring, upper mounting bracket,
rod bushings, upper coil spring isolator, and upper
control arm have been removed from the spring
compressor, proceed with the next step, otherwise,
proceed with step 7.
NOTE: If installation of the upper control arm on the
upper mounting bracket is necessary, (Refer to 2 SUSPENSION/FRONT/UPPERCONTROLARMINSTALLATION).
(1) Install the upper coil spring isolator on the
upper (shock absorber/upper control arm) mounting
bracket (Fig. 49).
Fig. 50 Shock Assembly Components
1 - SHOCK ABSORBER ROD BUSHING
2 - UPPER CONTROL ARM
3 - RETAINER WASHER
4 - COIL SPRING
5 - SHOCK ABSORBER
6 - LOWER SPRING ISOLATOR
7 - JOUNCE BUMPER
8 - DUST SHIELD
9 - CUP
10 - UPPER SPRING ISOLATOR
11 - UPPER MOUNTING BRACKET
(13) Remove the lower spring isolator (Fig. 50)
from the lower spring seat on the shock absorber.
(14) Inspect the shock assembly components for
the following and replace as necessary:
• Inspect the shock for any condition of rod bind-
ing over the full stroke of the shaft.
• Check the upper mounting bracket for cracks,
distortion and any sign of damage.
• Inspect the upper mounting bracket-upper con-
trol bushings for deterioration.
• Check the upper and lower shock rod isolator
bushings for severe deterioration.
• Check the upper and lower spring isolators for
severe deterioration.
• Inspect the dust shield for rips and deteriora-
tion.
CAUTION: The top and bottom shock absorber rod
isolator bushings are unique to the position which
they are installed on the rod. When installing the
bushings on the rod, attention must be paid to their
location so they are installed correctly (Fig. 51).
Fig. 51 Shock Absorber Rod Bushing Identification
(Typical)
1 - INSTALL ON SHOCK ABSORBER ROD IN THIS DIRECTION
2 - SHOCK ABSORBER ROD UPPER ISOLATOR BUSHING
3 - INSTALL ON SHOCK ABSORBER ROD IN THIS DIRECTION
4 - SHOCK ABSORBER ROD LOWER ISOLATOR BUSHING
(2) Install the sleeve into the lower shock absorber
rod isolator bushing (Fig. 49). Install the shock
absorber rod lower isolator bushing and sleeve in the
bottom of the upper (shock absorber/upper control
Page 64
JRFRONT SUSPENSION2 - 27
SHOCK ASSEMBLY (Continued)
arm) mounting bracket as shown (Fig. 49). From the
top, install the shock absorber rod upper isolator
bushing into the center of the upper mounting
bracket over the sleeve protruding from the lower
isolator bushing (Fig. 48). The smaller end of each
bushing is to face away from the upper mounting
bracket once installed.
(3) Place the lower end (smaller diameter) of the
coil spring in the spring compressor supported by the
lower hooks, following the manufacturer’s instructions. Position the coil spring lower end tip at the
position it was at before coil spring removal from the
compressor as noted in Step 8 of DISASSEMBLY
(Refer to 2 - SUSPENSION/FRONT/SHOCK - DISASSEMBLY). Proper orientation of the spring in the
compressor is necessary for proper alignment of all
shock assembly components.
(4) Install the upper (shock absorber/upper control
arm) mounting bracket on top of the coil spring
matching the coil spring tip to the built-in step in the
isolator on the upper mounting bracket. Position the
upper control arm ball joint so it lies directly below
the front upper hook as shown (Fig. 45).
(5) Position the upper hooks on top of the upper
mounting bracket as shown (Fig. 45).
(6) Compress the coil spring.
(7) Install the lower spring isolator on the lower
spring seat of the shock absorber (Fig. 50). When
installing the spring isolator, be sure the isolator sets
in the notch made for the lower coil spring end.
(8) Install the jounce bumper on the shock rod
(Fig. 52). Install the jounce bumper with the pointed
end pointing downward.
(10) Install the dust shield and cup (Fig. 50) onto
the shock rod until the cup contacts the collar just
installed. The dust boot will snap over the jounce
bumper. Install the lower shock rod bushing retainer
washer.
(11) Install the shock through the bottom of the
coil spring until the lower spring seat contacts the
lower end of the coil spring. The lower coil spring end
should set into the notch of the shock absorber lower
seat and isolator. Install the clamp temporarily
securing the shock absorber to the coil spring (Fig.
44).
(12) Install the upper shock rod bushing retainer
washer. Make sure the concave side is facing up.
(13) Install the shock assembly retainer nut. Hold
the shock rod from rotating using special socket
Snap-On A136 t, or an equivalent, and tighten the
retainer nut using a crow foot wrench (on the end of
a torque wrench and extension) to a torque of 55 N·m
(40 ft. lbs.) (Fig. 46).
(14) Slowly release the tension from the coil spring
by backing off the compressor drive fully. As the tension is relieved, make sure the upper mounting
bracket, isolator, and coil spring align properly.
Remove the clamp from the lower end of the coil
spring and shock. Push back the spring compressor
upper and lower hooks, then remove the shock
assembly from the spring compressor.
(15) Install shock assembly on the vehicle. (Refer
to 2 - SUSPENSION/FRONT/SHOCK - INSTALLATION)
Page 65
2 - 28FRONT SUSPENSIONJR
SHOCK ASSEMBLY (Continued)
INSTALLATION - SHOCK ASSEMBLY
(1) Install the shock assembly, with the clevis
removed, into shock tower. Aligning the 2 locating
pins and the 4 mounting holes on the upper control
arm shock absorber mount with the 4 holes in shock
tower. Install the 4 upper control arm mount to
shock tower mounting bolts (Fig. 43). Tighten the 4
bolts to a torque of 95 N·m (70 ft. lbs.).
(2) Install the clevis on the shock absorber. Clevis
is installed by tapping it onto the fluid reservoir of
the shock absorber using a soft (brass) drift until
fully seated against locating tab on shock absorber
(Fig. 54). Orientation tab on locating tab must be
positioned in the split of the clevis (Fig. 54).
(7) Lower vehicle to the ground with a jack stand
positioned under the lower control arm (Fig. 55).
Continue to lower vehicle so the total weight of the
vehicle is supported by the jack stand and lower control arm.
Fig. 55 Lower Control Arm Correctly Supported By
Jack Stand
1 - SHOCK ABSORBER CLEVIS
2 - LOWER CONTROL ARM
3 - BALL JOINT CAP
Fig. 54 Clevis Correctly Installed On Shock
Absorber
1 - SHOCK ABSORBER
2 - SHOCK CLEVIS MUST BE INSTALLED FLUSH AGAINST
LOCATING TAB HERE
3 - ORIENTATION TAB
4 - CLEVIS SPLIT
5 - SHOCK CLEVIS
6 - LOCATING TAB
(3) Install the pinch bolt retaining the shock clevis
to the shock absorber (Fig. 41). Tighten the pinch
bolt to a torque of 88 N·m (65 ft. lbs.)
(4) Install the clevis bracket to lower control arm
thru-bolt (Fig. 42). Do not tighten the thru-bolt at
this time.
(5) Install upper ball joint into steering knuckle.
Install nut on ball joint stud. Tighten nut to a torque
of 27 N·m (20 ft. lbs.).
(6) Install the routing bracket for the wheel speed
sensor cable (Fig. 39) on the steering knuckle. Install
and securely tighten the routing bracket attaching
bolt (Fig. 39).
CAUTION: When supporting lower control arm with
jack stand, do not position jack stand under the ball
joint cap on the lower control arm. Position in area
of lower control arm shown in (Fig. 55).
(8) Tighten the shock absorber clevis to lower control arm bushing thru-bolt nut to a torque of 88 N·m
(65 ft. lbs.).
(9) Raise the vehicle, then remove the jack stand.
(10) Install the tire and wheel assembly. Progressively tighten the wheel mounting nuts in a crisscross sequence until all nuts are torqued to half
specification. Then repeat the tightening sequence to
the full specified torque of 135 N·m (100 ft. lbs.).
(11) Lower the vehicle.
STABILIZER BAR
DESCRIPTION
The stabilizer bar interconnects both front lower
control arms of the vehicle and is attached to the
front suspension cradle and the underbody of the
vehicle.
Attachment of the stabilizer bar to the front suspension cradle is through 2 rubber-isolator bushings
and bushing retainers. The stabilizer bar to lower
control arm attachment is done utilizing a ball joint
type, stabilizer bar attaching link. All parts of the
stabilizer bar are replaceable as individual components, and the bushings attaching the stabilizer bar
to crossmember are split for easy removal and installation.
Page 66
JRFRONT SUSPENSION2 - 29
STABILIZER BAR (Continued)
OPERATION
Jounce and rebound movements affecting one wheel
are partially transmitted to the opposite wheel of the
vehicle to stabilize body roll through the stabilizer bar.
DIAGNOSIS AND TESTING - STABILIZER BAR
Inspect for broken or distorted stabilizer bar bushings, bushing retainers, and worn or damaged stabilizer bar to control arm attaching links.
REMOVAL
REMOVAL - STABILIZER BAR
(1) Raise vehicle on jack stands or centered on a
frame contact type hoist. (Refer to LUBRICATION &
MAINTENANCE/HOISTING - SERVICE PROCEDURE).
(2) Remove nuts and stabilizer bar attaching link
assemblies from the front lower control arms (Fig.
56). When removing attaching link nut, keep stud
from turning by installing an allen wrench in the end
of the stud (Fig. 56).
Fig. 57 Stabilizer Bar Bushing Retainer Attaching
Bolts
1 - STABILIZER BAR BUSHING CLAMP
2 - FRONT SUSPENSION CROSSMEMBER
3 - ATTACHING BOLTS
4 - STABILIZER BAR
5 - VEHICLE BODY
If inspection determines that replacement of a stabilizer bar to lower control arm attachment link is
required, replace the link before installing stabilizer
bar.
Fig. 56 Stabilizer Bar Attaching Link Nut Removal
1 - ALLEN WRENCH
2 - LOWER CONTROL ARM
3 - WRENCH
4 - STABILIZER BAR LINK ASSEMBLY
(3) Remove the 4 bolts attaching the stabilizer bar
bushing retainers to the front suspension crossmember and body (Fig. 57). Then remove the stabilizer
bar assembly from the vehicle.
STABILIZER BAR INSPECTION
Inspect for broken or distorted stabilizer bar bushings, clamps and attaching links. If stabilizer bar to
front crossmember bushing replacement is required,
bushing can be removed using the stabilizer bar
bushing removal procedure in the Disassembly And
Assembly section in this group of the service manual.
REMOVAL - STABILIZER BAR BUSHING
(FRONT)
(1) Bend back the 4 crimp locations on the stabi-
lizer bar bushing retainer (Fig. 58).
Fig. 58 Stabilizer Bar Bushing Retainer
1 - STABILIZER BAR BUSHING RETAINER
2 - CRIMPS
3 - STABILIZER BAR
4 - CRIMPS
5 - STABILIZER BAR BUSHING
(2) Separate the stabilizer bar bushing retainer.
(3) Stabilizer bar bushings are removed by opening
slit and peeling bushing off stabilizer bar.
Page 67
2 - 30FRONT SUSPENSIONJR
STABILIZER BAR (Continued)
INSTALLATION
INSTALLATION - STABILIZER BAR
(1) Position stabilizer bar and bushings as an
assembly into front crossmember. Install the stabilizer bar bushing retainer to crossmember and body
attaching bolts (Fig. 57).
(2) Tighten the bushing retainer attaching bolts to
a torque of 61 N·m (45 ft. lbs.).
(3) Align stabilizer bar attaching link assemblies
with attaching link mounting holes in the lower control arms. Install stabilizer bar attaching links into
both lower control arms. Install the attaching link to
lower control arm retaining nuts. Torque the stabilizer bar attaching link nuts to 101 N·m (75 ft. lbs.).
INSTALLATION - STABILIZER BAR BUSHING
(1) Install new stabilizer bar bushings on the stabilizer bar. Bushings must be installed on sway
bar with slit in bushing facing front of vehicle
when sway bar is installed.
(2) Install bushing retainers back on stabilizer bar
bushings.
UPPER BALL JOINT
DESCRIPTION
The ball joint is pressed into the upper control arm
and has a tapered stud for attachment to the steering knuckle. The ball joint stud is attached and
locked into the steering knuckle using a special nut.
The ball joint is a sealed-for-life type and requires no
maintenance. If the ball joint is defective it will
require replacement of the entire upper control arm.
DIAGNOSIS AND TESTING - UPPER BALL
JOINT
(1) Raise and support vehicle so that tires clear
floor. (Refer to LUBRICATION & MAINTENANCE/
HOISTING - STANDARD PROCEDURE)
(2) Push inward and pull outward at top of tire
noting if any movement of ball joint occurs.
(3) If movement is noted, replace upper control
arm.
ALTERNATE METHOD
(1) Raise and support vehicle. (Refer to LUBRICATION & MAINTENANCE/HOISTING - STANDARD
PROCEDURE)
(2) Remove tire and wheel assembly. (Refer to 22 TIRES/WHEELS - REMOVAL)
(3) Push inward and pull outward on neck of
knuckle near ball joint while observing ball joint for
movement. Holding a finger against knuckle and
upper control arm while performing this helps to
sense movement.
(4) If movement is noted, replace upper control
arm.
UPPER CONTROL ARM
DESCRIPTION
The upper control arm is a high strength steel
stamping. The upper control arm uses the 2 rubber
bushings of the upper control arm/shock absorber
mounting bracket to isolate it from the mounting
bracket and the body of the vehicle. The upper control arm is bolted to the top of the steering knuckle
through the upper ball joint.
If damaged, the upper control arm is serviced only
as a complete component. Inspect the upper control
arm for any signs of damage. If control arm shows
any sign of damage the upper control arm must be
replaced. Do not attempt to repair or straighten a
broken or bent upper control arm.
OPERATION
The upper control arm supports the upper end of
the steering knuckle and allows for the up and down
movement of the suspension during the jounce and
rebound travel.
Page 68
JRFRONT SUSPENSION2 - 31
UPPER CONTROL ARM (Continued)
REMOVAL - UPPER CONTROL ARM
(1) Remove the front shock assembly from the
vehicle. (Refer to 2 - SUSPENSION/FRONT/SHOCK
- REMOVAL)
(2) Disassemble the shock assembly until the
upper (shock absorber/upper control arm) mounting
bracket is removed from the coil spring. (Refer to 2 SUSPENSION/FRONT/SHOCK - DISASSEMBLY)
(3) Remove the 2 bolts attaching the upper control
arm to the bushings in the upper mounting bracket
(Fig. 59).
Fig. 59 Upper Control Arm To Mounting Bracket
Attachment
1 - CONTROL ARM MOUNTING BOLTS
2 - UPPER CONTROL ARM MOUNTING BRACKET
3 - UPPER CONTROL ARM
INSTALLATION - UPPER CONTROL ARM
(1) Install the upper control arm on the upper
(shockabsorber/uppercontrolarm)mounting
bracket.
(2) Install the 2 bolts attaching the upper control
arm to the bushings in the mounting bracket (Fig.
59). The bolts must be installed from center, so the
heads are toward the coil spring when it is installed.
The bolts MUST be installed so the head of the
bolt will be toward the coil spring when the
mountingbracketisinstalledonshock
absorber (Fig. 59).
CAUTION: For clearance reasons the control arm
mounting bolts must be installed from center, so
the heads are toward the coil spring when it is
installed. Otherwise the bolts may rub the coil
spring, damaging it.
(3) Install the control arm mounting bolt nuts.
Position the control arm at a 90 degree angle to the
mounting bracket and tighten the bolts to a torque of
90 N·m (66 ft. lbs.).
(4) Reinstall the upper mounting bracket and control arm on the coil spring. Reassemble the front
shock assembly. (Refer to 2 - SUSPENSION/FRONT/
SHOCK - ASSEMBLY)
(5) Reinstall the front shock assembly on the vehicle. (Refer to 2 - SUSPENSION/FRONT/SHOCK INSTALLATION)
(4) Remove the upper control arm from the mount-
ing bracket.
INSPECTION - UPPER CONTROL ARM
If damaged, the upper control arm is serviced only
as a complete component. Inspect the upper control
arm for any signs of damage. If control arm shows
any sign of damage the upper control arm must be
replaced. Do not attempt to repair or straighten a
broken or bent upper control arm.
Page 69
2 - 32REAR SUSPENSIONJR
REAR SUSPENSION
TABLE OF CONTENTS
pagepage
REAR SUSPENSION
DESCRIPTION - REAR SUSPENSION.......32
OPERATION - REAR SUSPENSION.........32
WARNING
WARNINGS AND CAUTIONS.............32
SPECIFICATIONS
REAR SUSPENSION FASTENER TORQUE. . 33
SPECIAL TOOLS
REAR SUSPENSION...................33
HUB / BEARING
DESCRIPTION.........................34
OPERATION...........................34
DIAGNOSIS AND TESTING - HUB AND
BEARING............................34
REMOVAL.............................34
INSTALLATION.........................34
KNUCKLE
DESCRIPTION.........................34
OPERATION...........................34
DIAGNOSIS AND TESTING - KNUCKLE......34
REMOVAL.............................34
INSTALLATION.........................37
LATERAL LINK
DESCRIPTION.........................38
OPERATION...........................38
DIAGNOSIS AND TESTING - LATERAL LINKS. 38
REMOVAL.............................38
INSTALLATION.........................39
SHOCK ASSEMBLY
DESCRIPTION - SHOCK ASSEMBLY........40
OPERATION - SHOCK ASSEMBLY..........40
DIAGNOSIS AND TESTING - SHOCK
ASSEMBLY..........................40
REMOVAL - SHOCK ASSEMBLY............40
DISASSEMBLY - SHOCK ASSEMBLY........41
ASSEMBLY - SHOCK ASSEMBLY...........42
INSTALLATION - SHOCK ASSEMBLY........43
STABILIZER BAR
DESCRIPTION.........................43
OPERATION...........................43
DIAGNOSIS AND TESTING - STABILIZER BAR . 43
REMOVAL.............................44
INSTALLATION.........................44
TRAILING LINK
DESCRIPTION.........................45
OPERATION...........................45
DIAGNOSIS AND TESTING - TRAILING LINK. . 45
REMOVAL.............................45
INSTALLATION.........................45
UPPER BALL JOINT
DESCRIPTION.........................47
DIAGNOSIS AND TESTING - UPPER BALL
JOINT..............................47
UPPER CONTROL ARM
DESCRIPTION.........................47
OPERATION...........................47
REMOVAL.............................47
DISASSEMBLY - UPPER BALL JOINT........50
INSPECTION..........................50
ASSEMBLY - UPPER BALL JOINT..........50
INSTALLATION.........................51
REAR SUSPENSION
DESCRIPTION - REAR SUSPENSION
The rear suspension used on this vehicle is a fully
independent short and long arm style suspension.
Each side of the rear suspension consists of these
major components:
• a shock assembly
• a knuckle
• an upper control arm
• two lateral links
• a trailing link
• a stabilizer bar (one per vehicle shared by each
side)
OPERATION - REAR SUSPENSION
The rear suspension allows each rear wheel on
vehicle to adapt to different road surfaces and conditions without affecting the control of the vehicle.
Each side of the suspension is allowed to move independently from the other.
WARNING
WARNINGS AND CAUTIONS
WARNING: DO NOT REMOVE A SHOCK ROD NUT
WHILE THE SHOCK ASSEMBLY IS INSTALLED IN
VEHICLE, OR BEFORE THE SHOCK ASSEMBLY
SPRING IS COMPRESSED.
Page 70
JRREAR SUSPENSION2 - 33
REAR SUSPENSION (Continued)
CAUTION: Only frame contact or wheel lift hoisting
equipment can be used on vehicles having a fully
independent rear suspension. Vehicles with independent rear suspension can not be hoisted using
equipment designed to lift a vehicle by the rear
axle. If this type of hoisting equipment is used damage to rear suspension components will occur.
NOTE: If a rear suspension component becomes
bent, damaged or fails, no attempt should be made
to straighten or repair it. Always replace it with a
new component.
SPECIFICATIONS
REAR SUSPENSION FASTENER TORQUE
DESCRIPTIONTORQUE
Shock Assembly:
Body Mounting Nuts54 N·m (40 ft. lbs.)
Knuckle Bolt/Nut95 N·m (70 ft. lbs.)
Rod To Upper Mount Nut55 N·m (40 ft. lbs.)
Knuckle:
Brake Adapter Mounting Bolts61 N·m (45 ft. lbs.)
Hub And Bearing:
Knuckle Retaining Nut250 N·m (185 ft. lbs.)
Wheel Mounting Nuts135 N·m (100 ft. lbs.)
Upper Control Arm:
Pivot Bar To Crossmember107 N·m (80 ft. lbs.)
Lateral Links:
To Knuckle Nuts108 N·m (80 ft. lbs.)
Jam Nuts92 N·m (68 ft. lbs.)
To Suspension Crossmember
Nuts
Trailing Link:
Shaft Nuts (Front And Rear)99 N·m (73 ft. lbs.)
Bracket To Body Mounting
Bolts
Ball Joint:
Stud Nut27 N·m (20 ft. lbs.)
Rear Suspension Crossmember:
Body Attaching Bolts108 N·m (80 ft. lbs.)
Stabilizer Bar:
Isolator Bushing Retainer Bolt28 N·m (20 ft. lbs.)
Lateral Link Stabilizer Link Nut35 N·m (26 ft. lbs.)
Bracket To Crossmember Bolts28 N·m (20 ft. lbs.)
108 N·m (80 ft. lbs.)
34 N·m (25 ft. lbs.)
SPECIAL TOOLS
REAR SUSPENSION
Puller, Pitman Arm CT-1106
Remover, Suspension Arm Bushing And Ball Joint
6804
Installer, Ball Joint
Page 71
2 - 34REAR SUSPENSIONJR
HUB / BEARING
DESCRIPTION
The hub and bearing is a combined rear wheel hub
and wheel bearing unit. All vehicles are equipped
with permanently lubricated and sealed for life rear
hub and bearing assemblies. There is no periodic
lubrication or maintenance recommended for these
units.
The hub and bearing is mounted to the rear knuckle’s spindle using a retaining nut. The tire and wheel
assembly, and rear brake drum or disc attaches to
the studs protruding from the hub flange with wheel
mounting studs.
OPERATION
The hub and bearing has internal bearings that
allow it to rotate with the tire and wheel.
DIAGNOSIS AND TESTING - HUB AND
BEARING
The rear hub and bearing assembly is designed for
the life of the vehicle and should require no maintenance. The following procedure may be used for evaluation of bearing condition.
With wheel and brake drum removed, rotate
flanged outer ring of hub. Excessive roughness, lateral play or resistance to rotation may indicate dirt
intrusion or bearing failure. If the rear wheel bearings exhibit these conditions during inspection, the
hub and bearing assembly should be replaced.
Damaged bearing seals and resulting excessive
grease loss may also require bearing replacement.
Moderate grease loss from bearing is considered normal and should not require replacement of the hub
and bearing assembly.
REMOVAL
(1) Raise vehicle. (Refer to LUBRICATION &
MAINTENANCE/HOISTING - STANDARD PROCEDURE).
(2) Remove rear wheel and tire assembly.
(3) If equipped with rear disc brakes, remove the
rear brake caliper and rotor. (Refer to 5 - BRAKES/
HYDRAULIC/MECHANICAL/ROTORS-REMOVAL). Remove the brake rotor by pulling the rotor
straight off the wheel mounting studs.
(4) If equipped with rear drum brakes, remove the
brake drum. (Refer to 5 - BRAKES/HYDRAULIC/
MECHANICAL/DRUM - REMOVAL)
(5) Remove dust cap from rear hub and bearing
assembly by prying it off.
(6) Remove hub and bearing retaining nut.
(7) Remove rear hub and bearing from the spindle
by pulling it straight off the spindle.
INSTALLATION
(1) Install the hub and bearing assembly on the
knuckle spindle. Install a NEW retaining nut.
Tighten the retaining nut to a torque of 250 N·m
(185 ft. lbs.).
(2) Install the hub and bearing dust cap using a
soft faced hammer.
(3)
If equipped with rear disc brakes, install the
brake rotor and caliper. (Refer to 5 - BRAKES/HYDRAULIC/MECHANICAL/ROTOR - INSTALLATION)
(4) If equipped with rear drum brakes, install the
drum and adjust brake shoes as necessary. (Refer to
5 - BRAKES/HYDRAULIC/MECHANICAL/DRUM INSTALLATION)
(5) Install the rear tire and wheel assembly. Progressively tighten all wheel stud nuts in crisscross
pattern to 135 N·m (100 ft. lbs.) torque.
(6) Lower the vehicle.
KNUCKLE
DESCRIPTION
A cast iron rear knuckle is attached to each side of
the vehicle through the upper control arm and ball
joint, the rear shock assembly, the lateral links and
the trailing link. The knuckle serves as a mounting
point for the rear hub and bearing, tire and wheel,
and rear brakes.
OPERATION
The knuckle moves up and down with the tire and
wheel under jounce and rebound conditions while
acting as a mount for the rear hub and bearing, tire
and wheel, and rear brakes. The lateral movement of
the rear knuckle is controlled using two lateral arms
attached to the bottom of the knuckle and by the
upper control arm attached to the top of the knuckle.
DIAGNOSIS AND TESTING - KNUCKLE
Inspect the knuckle for physical damage. If it is
determined that the knuckle is cracked, bent or broken when servicing the vehicle, no attempt is to be
made to repair or to straighten the knuckle. The rear
knuckle is not a repairable component of the rear
suspension and must be replaced if found to be damaged in any way.
REMOVAL
(1) Raise vehicle. (Refer to LUBRICATION &
MAINTENANCE/HOISTING - STANDARD PROCEDURE).
(2) Remove rear wheel and tire assembly.
(3) If vehicle is equipped with antilock brakes
(ABS), remove rear wheel speed sensor from brake
flex hose routing bracket (Fig. 1).
Page 72
JRREAR SUSPENSION2 - 35
KNUCKLE (Continued)
(8) If equipped with rear drum brakes, remove
parking brake cable from parking brake actuating
lever, then remove cable from drum brake support
plate. (Refer to 5 - BRAKES/PARKING BRAKE/CABLES - REMOVAL)
(9) Remove four bolts attaching drum brake support plate/disc brake adapter to knuckle (Fig. 3).
(5) If equipped with rear drum brakes, remove
brake drum. (Refer to 5 - BRAKES/HYDRAULIC/
MECHANICAL/DRUM - REMOVAL)
(6) If equipped with rear disc brakes, remove caliper and rotor. (Refer to 5 - BRAKES/HYDRAULIC/
MECHANICAL/BRAKE PADS/SHOES - REMOVAL)
(7) Remove rear hub and bearing assembly retaining nut and washer (Fig. 2), then remove hub and
bearing assembly.
Fig. 3 Rear Brake Support Plate Mounting Bolts
1 - REAR BRAKE SUPPORT PLATE
2 - REAR KNUCKLE
3 - BRAKE SUPPORT PLATE ATTACHING BOLTS
(10) Remove drum brake support plate, brake
shoesandwheelcylinderassembly/discbrake
adapter from knuckle. It is not necessary to
remove brake flex hose from drum brake wheel
cylinder when removing support plate. Once
drum brake assembly is removed, hang plate from
rear shock assembly using mechanics wire as shown
(Fig. 4). Do not allow drum brake assembly to hang
by flex hose.
1 - BOLT
2 - KNUCKLE
3 - REAR LATERAL LINK
4 - BOLT
5 - FORWARD LATERAL LINK
(12) Back off nut retaining upper control arm ball
joint to knuckle until it is flush with the end of the
ball joint stud. Leaving the nut on in this fashion
will protect threads from damage during next step.
(13) Release ball joint stud from knuckle using
Puller, Special Tool, CT-1106 (Fig. 6).
(14) Remove nut retaining upper control arm ball
joint to knuckle.
(15) Remove nut and washer attaching trailing
link to rear knuckle. Use a wrench on the flat of the
trailing link to keep it from turning when removing
nut (Fig. 7).
Fig. 7 Trailing Link Attachment To Rear Knuckle
1 - TENSION NUT
2 - WRENCH
3 - KNUCKLE
(16) Remove the shock absorber clevis bracket to
knuckle attaching nut and bolt (Fig. 8).
(1) Install knuckle on clevis bracket of rear shock
absorber.Then installclevisbrackettoshock
absorber attaching bolt with head of bolt facing rear
of vehicle (Fig. 8).
CAUTION: When installing trailing link bushing
retainers, retainers must be installed with cupped
side of retainer facing away from bushing and
knuckle (Fig. 9).
(2) Install knuckle on trailing link. Install trailing
link outer bushing, gold bushing retainer and retaining nut on trailing link (Fig. 9). Using a large adjustable wrench, to keep trailing link from rotating,
tighten trailing link retaining nut to 99 N·m (73 ft.
lbs.) torque.
(6) If equipped with rear drum brakes, install
parking brake cable into support plate and attach to
parking brake actuating lever. (Refer to 5 - BRAKES/
PARKING BRAKE/CABLES - INSTALLATION)
(7) Install rear hub and bearing assembly on
knuckle and install hub retaining nut. Tighten
retaining nut to a torque of 250 N·m (185 ft. lbs).
(8) If equipped with rear disc brakes, install rotor
and caliper. (Refer to 5 - BRAKES/HYDRAULIC/MECHANICAL/BRAKEPADS/SHOES -INSTALLATION)
(9) If equipped with rear drum brakes, install
brake drum and adjust brake shoes as necessary.
(Refer to 5 - BRAKES/HYDRAULIC/MECHANICAL/
DRUM - INSTALLATION)
(10) If equipped with ABS, install wheel speed sensor head (Fig. 10). Tighten speed sensor head mounting bolt to 7 N·m (60 in. lbs.) torque.
Fig. 9 Trailing Link Bushing And Retainer
Installation
1 - FORWARD LATERALARM
2 - REAR LATERAL ARM
3 - NUT
4 - KNUCKLE
5 - OUTER TRAILING LINK RETAINER (GOLD)
6 - INNER TRAILING LINK BUSHING
7 - INNER TRAILING LINK RETAINER (BLACK)
8 - TRAILING LINK
9 - OUTER TRAILING LINK BUSHING
(3) Install upper ball joint stud into knuckle.
Install and tighten the ball joint stud nut to 27 N·m
(20 ft. lbs.) torque.
(4) Install front and rear lateral links and attaching nuts and bolts onto knuckle (Fig. 5). Tighten lateral links-to-knuckle attaching bolts and nuts to 108
N·m (80 ft. lbs.) torque.
(5) Install rear drum brake assembly/disc brake
adapter onto knuckle. Install four mounting bolts
(Fig. 3) Tighten mounting bolts to 61 N·m (45 ft. lbs.)
torque.
(11) If equipped with ABS, attach routing bracket
for wheel speed sensor cable to brake flex hose
bracket and securely tighten attaching bolt (Fig. 1).
(12) Install wheel and tire assembly on vehicle.
Install wheel mounting (lug) nuts and progressively
tighten nuts in crisscross sequence to 135 N·m (100
ft. lbs.) torque.
(13) Lower vehicle.
(14) Check and reset rear wheel alignment to specifications as required. (Refer to 2 - SUSPENSION/
WHEEL ALIGNMENT - STANDARD PROCEDURE)
Page 75
2 - 38REAR SUSPENSIONJR
LATERAL LINK
DESCRIPTION
The lateral links connect the lower front and rear
of the knuckle to the rear crossmember. They have
rubber isolator bushings at each end to isolate suspension noise from the body of the vehicle. The forward link allows for stabilizer bar attachment
through stabilizer bar attachment links.
OPERATION
The lateral movement of the rear knuckle is controlled by the lateral links connecting the front and
rear of the knuckle to the rear suspension crossmember. The metal sleeves of the links are adjustable for
setting rear wheel alignment.
DIAGNOSIS AND TESTING - LATERAL LINKS
Inspect the lateral link isolator bushings and
sleeves for signs of damage or deterioration. If the
lateral link isolator bushings or sleeves are damaged
or are deteriorated, replacement of the lateral link
assembly will be required. The isolator bushings are
not serviceable as a separate component of the lateral link assembly.
Inspect the lateral links for signs of contact with
the ground or road debris which has bent or caused
other damage to the lateral link. If the lateral link is
bent or damaged, the lateral link will require
replacement.Donotattempttorepairor
straighten a lateral link.
(3) Remove the rear stabilizer bar link from the
forward lateral link (Fig. 11).
Fig. 11 Stabilizer Bar To Lateral Link Attachment
1 - WASHER
2 - BOLT AND WASHER
3 - KNUCKLE
4 - STABILIZER BAR
5 - FORWARD LATERAL LINK
6 - STABILIZER BAR ATTACHING LINK
(4) Remove the nut, bolt and washer (Fig. 11)
attaching the forward lateral link to the knuckle.
(5) Remove the nut and bolt attaching the lateral
link to the rear suspension crossmember (Fig. 12).
CAUTION: Do not apply heat to the lateral link
adjusting screws or to the jam nuts, when loosening or adjusting the lateral links.
REMOVAL
CAUTION: Do not attempt to straighten or repair a
lateral link. Do not apply heat to the lateral link
adjusting screws or to the jam nuts, when loosening or adjusting the lateral links.
NOTE: The rear suspension lateral links are only
serviced as complete assemblies. The isolator
bushings used in the lateral links are not serviced
as separate components.
FORWARD LATERAL LINK
(1) Raise vehicle. (Refer to LUBRICATION &
MAINTENANCE/HOISTING - STANDARD PROCEDURE).
(2) Remove the rear wheel and tire assembly.
Fig. 12 Lateral Link Attachment To Rear Suspension
(4) Remove the bolt (Fig. 14) and nut attaching the
lateral link to the rear suspension crossmember.
INSTALLATION
CAUTION: Do not attempt to straighten or repair a
lateral link. Do not apply heat to the lateral link
adjusting screws or to the jam nuts, when loosening or adjusting the lateral links.
FORWARD LATERAL LINK
(1) Install the lateral link and the attaching nut
and bolt at rear suspension crossmember (Fig. 12).
The forward lateral link is to be installed with
the cup in cast portion facing down and toward
rear knuckle (Fig. 11).
(2) Install the lateral link and attaching nut, bolt
and washer at rear knuckle (Fig. 11).
(3) Torque both lateral link attaching bolts to 108
N·m (80 ft. lbs.).
(4) Install the rear stabilizer bar attaching link,
isolator bushings and attaching nut on the forward
lateral link (Fig. 11). Tighten the attaching nut to a
torque of 35 N·m (26 ft. lbs.).
(5) Install wheel and tire assembly on vehicle. Progressively tighten the wheel mounting nuts in crisscross sequence until all nuts are torqued to half
specification. Then repeat the tightening sequence to
the full specified torque of 135 N·m (100 ft. lbs.).
(6) Lower vehicle to the ground.
(7) Check and reset rear wheel Camber and Toe to
specifications if required. (Refer to 2 - SUSPENSION/WHEEL ALIGNMENT - STANDARD PROCEDURE).
Fig. 14 Lateral Link Attachment To Rear Suspension
(1) Install the lateral link and the attaching nut
and bolt at rear suspension crossmember (Fig. 14).
The rear lateral link is to be installed with the
adjusting screw toward rear suspension crossmember, not rear knuckle.
(2) Install the lateral link and the attaching nut,
bolt and washer at rear knuckle (Fig. 13).
(3) Torque both lateral link attaching bolts to 108
N·m (80 ft. lbs.).
(4) Install wheel and tire assembly on vehicle. Progressively tighten the wheel mounting nuts in crisscross sequence until all nuts are torqued to half
specification. Then repeat the tightening sequence to
the full specified torque of 135 N·m (100 ft. lbs.).
(5) Lower vehicle.
(6) Check and reset rear wheel Camber and Toe to
specifications if required. (Refer to 2 - SUSPENSION/WHEEL ALIGNMENT - STANDARD PROCEDURE).
Page 77
2 - 40REAR SUSPENSIONJR
SHOCK ASSEMBLY
DESCRIPTION - SHOCK ASSEMBLY
The rear shock absorber assemblies support the
weight of the vehicle using coil springs positioned
around the shock absorbers. The coil springs are contained between the upper mount of the shock
absorber and a lower spring seat on the body of the
shock absorber.
The top of each shock absorber assembly is bolted
to the top of the inner fender through a microcellular
urethane isolated mount.
The bottomof theshock absorberassembly
attaches to the rear knuckle using a thru-bolt.
The rear coil springs are rated separately for each
corner or side of the vehicle depending on optional
equipment and type of vehicle service. Coil springs
come in a various rates; be sure the correct spring is
in use.
The components of the shock assembly listed below
are serviceable:
• Shock rod nut
• Shock mount
• Shock rod bushings
• Upper spring isolator
• Dust shield
• Cup
• Jounce bumper
• Lower spring isolator
• Coil spring
• Strut
absorber. Also inspect jounce bumpers for signs of
damage or deterioration.
REMOVAL - SHOCK ASSEMBLY
NOTE: Access for the nuts attaching the rear shock
assembly upper mount to the vehicle is through the
inside of the trunk.
(1) Roll back carpeting on top of the rear shock
tower to access shock mounting nuts.
(2) Remove plastic cover from the top of the shock
assembly.
(3) Remove 2 nuts attaching the shock assembly
upper mount/spring seat to the shock tower.
(4) Raise vehicle on jackstands or centered on a
frame contact type hoist. (Refer to LUBRICATION &
MAINTENANCE/HOISTING - STANDARD PROCEDURE)
(5) Remove the rear wheel and tire assembly from
the vehicle.
(6) Remove two fasteners holding the splash shield
to the shock assembly upper mount.
The shock absorber assembly cushions the ride of
the vehicle, controlling vibration, jounce and rebound
of the suspension.
The coil spring controls ride quality and maintains
ride height.
The jounce bumper limits suspension travel and
metal-to-metal contact under full jounce.
The shock absorber dampens jounce and rebound
motions of the coil spring and suspension.
DIAGNOSIS AND TESTING - SHOCK ASSEMBLY
(1) Inspect for damaged or broken coil springs.
(2) Inspect for torn or damaged shock absorber
dust shield.
(3) Inspect for damaged lower spring isolator.
(4) Lift dust boot and inspect shock absorber for
evidence of fluid running from the upper end of fluid
reservoir. (Actual leakage will be a stream of fluid
running down the side and dripping off lower end of
unit). A slight amount of seepage between the shock
absorber rod and shock absorber rod seal is not
unusual and does not affect performance of the shock
(8) Remove the shock absorber from the rear
knuckle first when removing the shock absorber from
vehicle by pushing down on the rear suspension.
(9) Move shock assembly downward and tilt top of
shock outward, then remove shock assembly from
vehicle through top of wheel opening.
Page 78
JRREAR SUSPENSION2 - 41
SHOCK ASSEMBLY (Continued)
DISASSEMBLY - SHOCK ASSEMBLY
The shock assembly must be removed from the
vehicle for it to be disassembled and assembled.
(Referto2-SUSPENSION/REAR/SHOCKREMOVAL)
For the disassembly and assembly of the shock
assembly, use strut spring compressor Pentastar Service Equipment (PSE) tool W-7200, or the equivalent,
to compress the coil spring. Follow the manufacturer’s instructions closely.
WARNING: DO NOT REMOVE THE SHOCK ROD
NUT BEFORE THE COIL SPRING IS COMPRESSED.
THE COIL SPRING IS HELD UNDER PRESSURE
AND MUST BE COMPRESSED, REMOVING SPRING
TENSION FROM THE UPPER MOUNTING BRACKET
BEFORE THE ROD NUT IS REMOVED.
(1) If both shocks are being serviced at the same
time, mark the coil spring and shock assembly
according to which side of the vehicle the shock was
removed from, and which shock the coil spring was
removed from.
(2) Position the shock assembly in the strut coil
springcompressorfollowingthemanufacturer’s
instructions. Set the lower hooks and install the
clamp on the lower end of the coil spring, so the
shock is held in place once the shock shaft nut is
removed. Lower the upper hooks and position them
on the coil spring near the top.
(3) Compress the coil spring until all coil spring
tension is removed from the upper mounting bracket.
(4) Hold the shock rod from rotating using special
socket Snap-Ont A136, or equivalent, and remove the
retainer nut.
(5) Remove the upper shock rod bushing retainer
washer from the shock rod.
(6) Remove the upper shock mount and the rod
isolator bushings as an assembly from the rod of the
shock absorber.
(7) Remove the upper coil spring isolator from the
top of the coil spring.
(8) Remove the lower shock rod bushing washer
from the top of the dust boot and shock absorber rod.
(9) Remove the dust shield and cup as an assembly from the shock absorber rod by pulling both
straight up and off the shock rod.
(10) Remove the clamp from the bottom of the coil
spring and remove the shock absorber, lower spring
isolator, jounce bumper, and collar out through the
bottom of the coil spring.
(11) Remove the jounce bumper and the collar
(Fig. 17) from the rod of the shock absorber.
(12) Remove the lower coil spring isolator (Fig. 18)
from the lower spring seat on the shock absorber.
(13) Remove the upper shock rod isolator bushing
and sleeve from the upper shock mount.
(14) Remove the lower shock rod isolator bushing
from the upper shock mount.
(15) Inspect the shock assembly components for
the following and replace as necessary:
• Inspect the shock for any condition of rod bind-
ing over the full stroke of the shaft.
• Check the upper shock mount for cracks and dis-
tortion, and locating studs for any sign of damage.
Page 79
2 - 42REAR SUSPENSIONJR
SHOCK ASSEMBLY (Continued)
(5) Install the upper shock rod isolator bushing
and sleeve in the upper shock mount until seated
into lower bushing. The smaller end of the bushing is
to be pointed away from the mount when installed.
(6) Install the lower coil spring isolator on the
lower spring seat of the shock absorber (Fig. 18).
(7) Install the jounce bumper as shown on the rod
of the shock absorber (Fig. 19).
Fig. 18 Lower Coil Spring Isolator
1 - SHOCK ABSORBER
2 - COIL SPRING ISOLATOR
• Check the upper and lower shock rod isolator
bushings for severe deterioration of the rubber.
• Check the upper and lower coil spring isolators
for severe deterioration of the rubber.
• Inspect the dust shield for rips and deteriora-
tion.
• Inspect the jounce bumper for cracks and signs
of deterioration.
• Inspect the coil spring for any sign of damage to
the coating.
(16) If the coil spring needs to be serviced, release
the tension from the coil spring by backing off the
compressor drive fully. Push back the compressor
upper hooks and remove the coil spring from the
compressor.
(8) Install the collar on the rod of the shock
absorber assembly with the undercut side of sleeve
facing down (Fig. 20). Push the collar down until
seated on the step of the shock absorber rod.
Fig. 19 Jounce Bumper Installed
ASSEMBLY - SHOCK ASSEMBLY
(1) If the coil spring has been removed from the
compressor, place the lower end (smaller diameter) of
the coil spring in the spring compressor supported by
the lower hooks at the same position as in disassembly, following the manufacturer’s instructions.
(2) Position the upper hooks of the spring compressor on the coil spring near the top as in disassembly.
(3) Compress the coil spring enough to reinstall
the shock absorber and upper mount.
(4) Install the lower shock rod isolator bushing in
the bottom of the upper shock mount. The smaller
end is to be pointed away from the mount when
installed.
(9) Install the shock through the bottom of the coil
spring until the lower spring seat contacts the lower
end of the coil spring. Install the clamp temporarily
securing the shock absorber to the coil spring.
(10) Install dust shield and cup over the jounce
bumper and onto the rod of the shock absorber.
(11) Install the lower shock rod bushing retainer
washer on the shock absorber rod.
(12) Install the upper spring isolator on the top of
the coil spring. The bottom of the isolator is contoured to fit around the inside diameter of the coil
spring and has a step built into it that the end of the
coil spring must fit into upon installation.
(13) Install the upper shock mount bracket and
rod isolator bushings as an assembly on the top of
the rod of the shock absorber.
(14) Install the upper shock rod bushing retainer
washer. Make sure the concave side is facing up.
(15) Install the shock assembly retainer nut. Hold
the shock rod from rotating using special socket
Snap-Ont A136, or equivalent, and tighten the
retainer nut using a crow foot wrench (on the end of
a torque wrench and extension) to a torque of 55 N·m
(40 ft. lbs.) (Fig. 16).
(16) Position the upper shock mount so it’s studs
are in line with the bolt hole in the shock absorber
lower bracket.
(17) Slowly release the tension from the coil spring
by backing off the compressor drive fully. As the tension is relieved, make sure the upper mount, isolator,
and coil spring align properly. Remove the clamp
from the lower end of the coil spring and shock. Push
back the spring compressor upper and lower hooks,
then remove the shock assembly from the spring
compressor.
(18) Install shock assembly on the vehicle. (Refer
to 2 - SUSPENSION/REAR/SHOCK - INSTALLATION)
INSTALLATION - SHOCK ASSEMBLY
(1) Install shock assembly back in vehicle using
the reverse sequence of removal.
(2) Install upper shock mount into the mounting
holes in rear shock tower.
(3) Push down on rear knuckle to obtain clearance
and then install shock absorber clevis bracket on
rear knuckle.
(4) Align clevis bracket on shock absorber with
bushing in knuckle. Install and tighten bolt to a
torque of 95 N·m (70 ft. lbs.).
(5) Lower vehicle far enough to gain access to the
trunk.
(6) Install and tighten the 2 shock assembly upper
mounting nuts to a torque of 54 N·m (40 ft. lbs.).
(7) Install plastic cover on shock assembly.
(8) Install carpeting back on shock tower.
(9) Install fasteners securing splash shield to
shock mount.
(10) Install wheel and tire assembly on vehicle.
Install all wheel mounting nuts in proper sequence
until all nuts are torqued to half specification.
Repeat tightening sequence to full specified torque of
135 N·m (100 ft. lbs.).
(11) Lower vehicle to the ground.
STABILIZER BAR
DESCRIPTION
The stabilizer bar interconnects the forward lateral
links of the vehicle’s rear suspension and is attached
to the rear suspension crossmember of the vehicle.
Attachment of the stabilizer bar to the rear crossmember of the vehicle is through 2 rubber-isolator
bushings and bushing retainers. The stabilizer bar to
lateral link attachment is done utilizing a rubber isolated stabilizer bar attaching link. All parts of the
stabilizer bar are serviceable, and the stabilizer bar
to rear suspension isolator bushings are split for easy
removal and installation. The split in the stabilizer
bar to crossmember bushing must be positioned
toward the front of the vehicle, when the stabilizer
bar is installed on the vehicle.
OPERATION
Jounce and rebound movements affecting one rear
wheel of the vehicle are partially transmitted to the
opposite wheel of the vehicle through the stabilizer
bar to stabilize body roll.
DIAGNOSIS AND TESTING - STABILIZER BAR
Inspect the stabilizer bar for damage or bending.
Inspect for broken or distorted stabilizer bar bushings, and bushing retainers. When inspecting the stabilizer bar bushings, be sure that the slit in the
bushings are positioned so that it is facing toward
the front of the vehicle.
Inspect the bushings and sleeves in the stabilizer
bar attaching links for damage or deterioration.
Inspect the stabilizer bar attaching link to ensure it
is not bent or broken. If any of these conditions are
present when inspecting the attaching links, replacement of the attaching link is required.
Page 81
2 - 44REAR SUSPENSIONJR
STABILIZER BAR (Continued)
REMOVAL
(1) Raise vehicle on jackstands or centered on a
frame contact type hoist. (Refer to LUBRICATION &
MAINTENANCE/HOISTING - STANDARD PROCEDURE).
(2) Remove both rear wheel and tire assemblies
from the vehicle.
(3) From each side of the vehicle, remove the nut
(Fig. 21) attaching the stabilizer bar attaching link/
isolator bushings to the stabilizer bar.
(5) Remove the rear stabilizer bar to crossmember
bushing clamps and bushings from the stabilizer bar.
(6) Remove stabilizer bar from vehicle. Stabilizer
bar will come out of vehicle between the exhaust pipe
and the rear suspension crossmember.
STABILIZER BAR BUSHING INSPECTION
Inspect for broken or distorted retainers and bushings. If bushing replacement is required, bushings
can be removed by opening slit in bushing and
removing bushing from around stabilizer bar.
INSTALLATION
(1) Install stabilizer bar back in vehicle with the
bushings removed using the reverse sequence of
removal.
(2) When stabilizer bar is installed in vehicle, it
must be installed with the bend in the end of the stabilizer bar positioned up in vehicle when viewed from
the side (Fig. 23).
Fig. 21 Stabilizer Bar Attaching Link
1 - PARK BRAKE CABLE
2 - STABILIZER BAR ATTACHING LINK
3 - NUT
4 - STABILIZER BAR
5 - REAR LATERAL LINK
6 - FORWARD LATERAL LINK
(4) Remove the 4 bolts attaching the stabilizer bar
bushing clamps to the rear suspension crossmember
(Fig. 22).
1 - INCORRECTLY INSTALLED POSITION OF STABILIZER BAR
2 - CORRECTLY INSTALLED POSITION OF STABILIZER BAR
(3) Install the stabilizer bar onto the stabilizer bar
to forward lateral link attaching links (Fig. 21).
Install the stabilizer bar to attaching link bushings
on attaching links. Tighten the bushing retaining
nuts to a torque of 35 N·m (26 ft. lbs.).
(4) Loosely installthe stabilizer barbushing
clamps on the rear suspension crossmember
(5) Position the stabilizer bar so it is centered in
the vehicle and does not contact other suspension
components or vehicle body.
(6) Tighten the bolts attaching the stabilizer bar
bushing clamps to the rear crossmember to a torque
of 27 N·m (19 ft. lbs.) (Fig. 22).
(7) Install wheel and tire assembly on vehicle.
Tighten the wheel mounting stud nuts in proper
sequence until all nuts are torqued to half specification. Then repeat the tightening sequence to the full
specified torque of 135 N·m (100 ft. lbs.).
(8) Lower vehicle to the ground.
Page 82
JRREAR SUSPENSION2 - 45
TRAILING LINK
DESCRIPTION
The trailing link on each side of the vehicle bolts to
the bottom of the knuckle and to a bracket attached
to the floor pan of the vehicle. The trailing link is
steel and has rubber isolator bushings, retainer
washers and nuts at each end to isolate suspension
noise from the body of the vehicle.
OPERATION
Fore and aft movement of the knuckle is controlled
by a trailing link.
DIAGNOSIS AND TESTING - TRAILING LINK
Inspect the trailing link bushings and retainers for
signs of deterioration or damage. If the trailing link
bushings are deteriorated or the retainers are damaged, replacement of the trailing link bushings and
or the retainers will be required. The bushings and
retainers are serviceable as separate components of
the trailing link.
Inspect the trailing link for signs of contact with
the ground or road debris which has bent or caused
other damage to the trailing link. If the trailing link
is bent or damaged the trailing link will require
replacement. Do not ever attempt to repair or
straighten a trailing link.
(1) Raise vehicle on jackstands or centered on a
frame contact type hoist. (Refer to LUBRICATION &
MAINTENANCE/HOISTING - STANDARD PROCEDURE).
(2) Remove rear wheel and tire assembly from the
vehicle.
(3) At the knuckle, remove the nut, bushing
retainer and outer trailing link bushing (Fig. 24)
from the trailing link.
Remove the 4 bolts (Fig. 25) attaching the trail-
(4)
ing link hanger bracket to the floor pan and frame rail.
(5) Remove the trailing link and mounting bracket
as an assembly from the vehicle.
CAUTION: The installation position of the bushings
and retainers on the trailing link is important. When
separating the trailing link from the hanger bracket,
note the position and orientation on the bushings
and retainers to ensure they are re-installed correctly.
(6) Separate the trailing link from the hanger
bracket. To separate trailing link from hanger
bracket, use a large adjustable wrench on flat of
trailing link to turn link while holding nut stationary
(Fig. 26).
Fig. 25 Trailing Link Hanger Bracket Attachment To
Vehicle
1 - TRAILING LINK
2 - TRAILING LINK HANGER BRACKET
INSTALLATION
CAUTION: The inner and outer trailing link to
hanger bracket bushings and retainers must be
installed in their correct position on the trailing link.
Do not reverse the position of the inner and outer
trailing link bushing or retainers on the trailing link.
NOTE: When installing trailing link into hanger
bracket, the flat on the trailing link (Fig. 26) must be
positioned at the hanger bracket.
(1) Install the (black) inner bushing retainer, and
inner bushing (Fig. 27) on the trailing link. Install
the trailing link, retainer and bushing on the hanger
bracket (Fig. 27). Then install the outer bushing,
(gold) outer bushing retainer and nut (Fig. 27) on the
trailing link. Using a large adjustable wrench on flat
of trailing link to keep it from rotating, tighten the
trailing link retaining nut to a torque of 99 N·m (73
ft. lbs.).
(2) Install the (black) inner bushing retainer, and
inner bushing (Fig. 27) on the trailing link.
(3) Install knuckle end of trailing link in rear
knuckle.
CAUTION: It is important that the following procedure be done when installing the trailing arm
hanger bracket to the body of the vehicle. This procedure will ensure that the hanger bracket is
installed in the correct position on the vehicle.
(4) Install trailing link hanger bracket on vehicle
and loosely install the 4 attaching bolts (Fig. 28).
Then install 2 drift pins of appropriate size in positioning holes on hanger bracket and into locating
holes in body (Fig. 28). With hanger bracket correctly
positioned on vehicle tighten the 4 hanger bracket
mounting bolts to a torque of 34 N·m (25 ft. lbs.).
Fig. 27 Trailing Link Bushing Installation
1 - INNER TRAILING LINK BUSHING
2 - TRAILING LINK
3 - INNER TRAILING LINK BUSHING
4 - TRAILING LINK INNER BUSHING RETAINER (BLACK)
5 - INNER BUSHING RETAINER (BLACK)
6 - TRAILING LINK HANGER BRACKET
7 - OUTER TRAILING LINK BUSHING
8 - NUT
9 - OUTER BUSHING RETAINER (GOLD)
(5) At the knuckle, install the outer trailing link
bushing, (gold) outer bushing retainer and retaining
nut on trailing link (Fig. 24). Using a large adjustable wrench on flat of trailing link to keep it from
rotating tighten the trailing link retaining nut (Fig.
24) to a torque of 99 N·m (73 ft. lbs.).
CAUTION: When installing trailing link bushing
retainers, the retainers must be installed with
cupped side of retainer facing away from bushing
and knuckle (Fig. 24).
Page 84
JRREAR SUSPENSION2 - 47
UPPER BALL JOINT
DESCRIPTION
The ball joint is pressed into the upper control arm
and has a tapered stud for attachment to the steering knuckle. The ball joint stud is attached and
locked into the steering knuckle using a special nut.
The ball joint is a sealed-for-life type and requires no
maintenance.
DIAGNOSIS AND TESTING - UPPER BALL
JOINT
(1) Raise and support vehicle so that tires clear
floor. (Refer to LUBRICATION & MAINTENANCE/
HOISTING - STANDARD PROCEDURE)
(2) Push inward and pull outward at top of tire
noting if any movement of ball joint occurs.
(3) If movement is noted, replace upper control
arm.
ALTERNATE METHOD
(1) Raise and support vehicle. (Refer to LUBRICATION & MAINTENANCE/HOISTING - STANDARD
PROCEDURE)
(2) Remove tire and wheel assembly. (Refer to 22 TIRES/WHEELS - REMOVAL)
(3) Push inward and pull outward on neck of
knuckle near ball joint while observing ball joint for
movement. Holding a finger against knuckle and
upper control arm while performing this helps to
sense movement.
(4) If movement is noted, replace upper control
arm.
on this vehicle. Do not attempt to disassemble the
control arm from the pivot bar to service the rear
control arm bushings.
(1) Raise vehicle. (Refer to LUBRICATION &
MAINTENANCE/HOISTING - STANDARD PROCEDURE).
(2) Remove both rear wheel and tire assemblies
from the vehicle.
(3) Remove the shock absorber clevis bracket to
rear knuckle attaching bolt and nut (Fig. 29) on both
sides of the vehicle.
(4) Remove muffler support bracket from rear
frame rail (Fig. 30).
UPPER CONTROL ARM
DESCRIPTION
An upper control arm is attached to the top of each
rear knuckle, connecting the knuckle to the rear suspension crossmember.
The attachment of the upper control arm to the
knuckle is achieved through a ball joint in the upper
control arm. The upper control arm is bolted to the
rear suspension crossmember using a pivot bar which
is rubber isolated from the upper control arm.
OPERATION
The upper control arm supports the upper end of the
knuckle and allows for the up and down movement of
the suspension under jounce and rebound travel.
REMOVAL
NOTE: The rear control arm, control arm bushings,
and pivot bar are serviced as a complete assembly
Fig. 30 Muffler Support Bracket
1 - REAR FASCIA
2 - MUFFLER SUPPORT BRACKET
3 - ATTACHING BOLTS
4 - MUFFLER
Page 85
2 - 48REAR SUSPENSIONJR
UPPER CONTROL ARM (Continued)
(5) Remove the rear exhaust pipe hanger bracket
from the rear suspension crossmember (Fig. 31). Let
exhaust system drop down as far as possible.
(7) If vehicle is equipped with antilock brakes,
remove bolts and wheel speed sensor heads from
both rear knuckles.
(8) Remove both rear disc brake calipers from
knuckles and hang out of way using wire or cord.
(Refer to 5 - BRAKES/HYDRAULIC/MECHANICAL/
BRAKE PADS/SHOES - REMOVAL). Do not allow
calipers to hang by brake hoses.
(9) Release brake tubing from clips on top of crossmember.
(10) On the side of the vehicle requiring control
arm removal, separate the control arm ball joint from
the rear knuckle using following procedure:
(a) Back off nut retaining upper control arm ball
joint to knuckle until nut is even with end of stud.
This action will help avoid damaging the stud
threads when the stud is released from the knuckle
in the following step.
(b) Remove ball joint stud from knuckle using
Puller, Special Tool, CT- 1106 (Fig. 33).
(c) Remove nut retaining upper control arm ball
joint to knuckle.
(6) If vehicle is equipped with antilock brakes,
remove routing clips for wheel speed sensor cable
from brackets on both upper control arms (Fig. 32).
(11) Position a transmission jack and wooden block
under the center of the rear suspension crossmember
to support and lower crossmember during removal
(Fig. 34).
1 - SHOCK ABSORBER
2 - ATTACHING BOLTS
3 - UPPER CONTROL ARM PIVOT BAR
4 - REAR SUSPENSION CROSSMEMBER
5 - UPPER CONTROL ARM
(15) Remove the upper control arm from the rear
suspension crossmember.
(16) Transfer any required components to the
replacement control arm.
Page 87
2 - 50REAR SUSPENSIONJR
UPPER CONTROL ARM (Continued)
DISASSEMBLY - UPPER BALL JOINT
The rear upper control arm must be removed from
the vehicle for replacement of the ball joint. (Refer to
2 - SUSPENSION/REAR/UPPER CONTROL ARM REMOVAL)
(1) Position Receiving Cup, Special Tool 6758, to
support control arm when removing ball joint assembly (Fig. 37). Install Remover/Installer, Special Tool
6804 on top of ball joint assembly (Fig. 37).
ASSEMBLY - UPPER BALL JOINT
(1) By hand, position ball joint assembly into ball
joint bore of control arm. Be sure ball joint assembly
is not cocked in the bore of the control arm. This will
cause binding of the ball joint assembly when being
pressed into lower control arm.
(2) Position assembly in an arbor press with
Receiving Cup, Special Tool 6758, supporting lower
control arm (Fig. 38). Then install Remover/Installer,
Special Tool 6804, on the top of the ball joint assembly (Fig. 38).
Fig. 37 Removing Ball Joint From Upper Control
Arm
1 - SPECIAL TOOL 6804
2 - CONTROL ARM
3 - SPECIAL TOOL 6758
4 - BALL JOINT
(2) Using an arbor press, press the ball joint
assembly out of the control arm.
INSPECTION
Inspect the control arm for physical damage. If it is
determined that the upper control arm is broken or
bent, the upper control arm must be replaced. The
rear suspension upper control arm is not a repairable
component and no attempt is to be made to repair or
to straighten it. The upper control arm must be
replaced if found to be damaged in any way.
Inspect the control arm pivot bushings for deterioration. If found to need replacement, the upper control arm is to be replaced.
The rear control arm, control arm bushings, and
pivot bar are serviced as a complete assembly on this
vehicle. Do not attempt to disassemble the control
arm from the pivot bar to service the rear control
arm bushings.
The only component on the upper control arm that
is serviceable is the rear upper ball joint and its seal.
Fig. 38 Installing Ball Joint In Upper Control Arm
1 - SPECIAL TOOL 6804
2 - BALL JOINT
3 - CONTROL ARM
4 - SPECIAL TOOL 6758
CAUTION: When installing the ball joint in the upper
control arm, do not press the ball joint into the control arm all the way. The lip on the ball joint must
not touch the surface of the control arm. Refer to
Step 3 below when installing the ball joint.
(3) Carefully align all pieces. Using the arbor
press, press the ball joint into the control arm until a
gap of 3 mm (1/8 inch) is between lip on ball joint
and surface of lower control arm.
(4) Reinstall the control arm on the vehicle. (Refer
to 2 - SUSPENSION/REAR/UPPER CONTROL ARM
- INSTALLATION)
Page 88
JRREAR SUSPENSION2 - 51
UPPER CONTROL ARM (Continued)
INSTALLATION
(1) Align the pivot bar on the upper control arm
with the mounting holes in the rear suspension
crossmember. Install the pivot bar attaching bolts
(Fig. 36). Tighten the 2 pivot bar attaching bolts to a
torque of 108 N·m (80 ft. lbs.).
(2) Using transmission jack, raise rear suspension
crossmember up to the rear frame rails and loosely
install the 4 attaching bolts (Fig. 35).
(3) Position an appropriate size drift into the positioning hole in each side of rear suspension crossmember and crossmember locating holes in frame
rails of the vehicle (Fig. 39). This is required to properly position rear suspension crossmember to the
body of the vehicle. Tighten the 4 crossmember to
frame rail attaching bolts to 108 N·m (80 ft. lbs.).
Remove drifts from rear suspension crossmember.
(7) If vehicle is equipped with antilock brakes,
attach wheel speed sensor heads to both rear knuckles. Tighten sensor mounting bolts to a torque of 8
N·m (75 in. lbs.).
(8) If vehicle is equipped with antilock brakes,
install routing clips for wheel speed sensor cables
onto brackets on both upper control arms (Fig. 32).
Securely tighten routing clip attaching bolts.
(9) Install muffler support bracket on rear frame
rail (Fig. 30).
(11) Install the shock absorber clevis brackets on
the rear knuckles (Fig. 29). Tighten the shock
absorber mounting bolts to a torque of 95 N·m (70 ft.
lbs.).
(12) Install wheel and tire assembly on vehicle.
Progressively tighten the wheel mounting nuts in
crisscross sequence until all nuts are torqued to half
specification. Then repeat the tightening sequence to
the full specified torque of 135 N·m (100 ft. lbs.).
(13) Lower vehicle.
(14) Check and reset if required, rear wheel Camber and Toe to preferred specifications (Refer to 2 SUSPENSION/WHEEL ALIGNMENT - STANDARD
PROCEDURE).
Page 89
2 - 52WHEEL ALIGNMENTJR
WHEEL ALIGNMENT
TABLE OF CONTENTS
pagepage
WHEEL ALIGNMENT
DESCRIPTION - WHEEL ALIGNMENT.......52
DIAGNOSIS AND TESTING - SUSPENSION
AND STEERING......................55
STANDARD PROCEDURE
STANDARD PROCEDURE - PRE-WHEEL
ALIGNMENT INSPECTION ...............57
WHEEL ALIGNMENT
DESCRIPTION - WHEEL ALIGNMENT
Vehicle wheel alignment is the positioning of all
interrelated front and rear suspension angles. These
angles affect the handling and steering of the vehicle
when it is in motion. Proper wheel alignment is
essential for efficient steering, good directional stability, and proper tire wear.
The method of checking a vehicle’s front and rear
wheel alignment varies depending on the manufacturer and type of equipment used. The manufacturer’s instructions should always be followed to ensure
accuracyofthealignment,exceptwhen
DaimlerChrysler Corporation’s wheel alignment specifications differ.
On this vehicle, the suspension angles that can be
adjusted are as follows:
Front
• Camber (using special procedure)
• Toe
Rear
• Camber
• Toe
Check the wheel alignment and make all wheel
alignment adjustments with the vehicle standing at
its proper curb height specification. Curb height is
the normal riding height of the vehicle. It is measured from a certain point on the vehicle to the
ground or a designated area while the vehicle is sitting on a flat, level surface. Refer to Curb Height
Measurement in this section for additional information.
Typical wheel alignment angles and measurements
are described in the following paragraphs.
STANDARD PROCEDURE - CURB HEIGHT
MEASUREMENT ......................57
STANDARD PROCEDURE - WHEEL
ALIGNMENT .........................58
SPECIFICATIONS
WHEEL ALIGNMENT...................61
sured in degrees of angle relative to a true vertical
line. Camber is a tire wearing angle.
• Excessive negative camber will cause tread wear
at the inside of the tire.
• Excessive positive camber will cause tread wear
on the outside of the tire.
CAMBER
Camber is the inward or outward tilt of the top of
the tire and wheel assembly (Fig. 1). Camber is mea-
Fig. 1 Camber
1 - WHEELS TILTED OUT AT TOP
2 - WHEELS TILTED IN AT TOP
Page 90
JRWHEEL ALIGNMENT2 - 53
WHEEL ALIGNMENT (Continued)
CROSS CAMBER
Cross camber is the difference between left and
right camber. To achieve the cross camber reading,
subtract the right side camber reading from the left.
For example, if the left camber is +0.3° and the right
camber is 0.0°, the cross camber would be +0.3°.
CASTER
Caster is the forward or rearward tilt of the steering knuckle in reference to the position of the upper
and lower ball joints. Caster is measured in degrees
of angle relative to a true vertical center line. This
line is viewed from the side of the tire and wheel
assembly (Fig. 2).
• Forward tilt (upper ball joint ahead of lower)
results in a negative caster angle.
• Rearward tilt (upper ball joint trailing lower)
results in a positive caster angle.
Although caster does not affect tire wear, a caster
imbalance between the two front wheels may cause
the vehicle to lead to the side with the least positive
caster.
TOE
Toe is the inward or outward angle of the wheels
as viewed from above the vehicle (Fig. 3).
• Toe-in is produced when the front edges of the
wheels on the same axle are closer together than the
rear edges.
• Toe-out is produced when the front edges of the
wheels on the same axle are farther apart than the
rear edges.
Toe-in and toe-out can occur at the front wheels
and the rear wheels.
Toe is measured in degrees or inches. The measurement identifies the amount that the front of the
wheels point inward (toe-in) or outward (toe-out). Toe
is measured at the spindle height. Zero toe means
the front and rear edges of the wheels on the same
axle are equally distant.
Fig. 2 Caster
CROSS CASTER
Cross caster is the difference between left and
right caster.
Fig. 3 Toe
1 - TOE-IN
2 - TOE-OUT
Page 91
2 - 54WHEEL ALIGNMENTJR
WHEEL ALIGNMENT (Continued)
TOE-OUT ON TURNS
Toe-out on turns is the relative positioning of the
front wheels while steering through a turn (Fig. 4).
This compensates for each front wheel’s turning
radius. As the vehicle encounters a turn, the outboard wheel must travel in a larger radius circle
than the inboard wheel. The steering system is
designed to make each wheel follow its particular
radius circle. To accomplish this, the front wheels
must progressively toe outward as the steering is
turned from center. This eliminates tire scrubbing
and undue tire wear when steering a vehicle through
a turn.
Although toe-out on turns is an important angle, it
is generally not necessary to check or adjust when
performing a wheel alignment.
STEERING AXIS INCLINATION (S. A. I.)
Steering axis inclination is the angle between a
true vertical line starting at the center of the tire at
the road contact point and a line drawn through the
center of the upper ball joint (or strut) and the lower
ball joint (Fig. 5). S.A.I. is built into the vehicle and
is not an adjustable angle. If S.A.I. is not within
specifications, a bent or damaged suspension component may be the cause.
Fig. 4 Toe-Out On Turns
1 - TOE-OUT ON TURNS
DYNAMIC TOE PATTERN
Dynamic toe pattern is the inward and outward toe
movement of the front and rear tires through the
suspension’s jounce and rebound travel. As the vehicle’s suspension moves up and down, the toe pattern
varies. Toe pattern is critical in controlling the directional stability of the vehicle while in motion. Front
and rear dynamic toe pattern is preset by the factory
at the time the vehicle is assembled.
It is not necessary to check or adjust front or rear
dynamic toe pattern when doing a normal wheel
alignment. The only time dynamic toe pattern needs
to be checked or adjusted is if the frame of the vehicle has been damaged.
Fig. 5 S.A.I. and I.A.
1 - S.A.I.
2 - CAMBER
3 - I.A.
INCLUDED ANGLE (I. A.)
Included angle is the sum of the S.A.I. angle plus
or minus the camber angle, depending on whether or
not the wheel has positive or negative camber (Fig.
5). If camber is positive, add the camber angle to the
S.A.I. angle. If camber is negative, subtract the camber angle from the S.A.I. angle. Included angle is not
adjustable, but can be used to diagnose a frame misalignment or bent suspension component (spindle,
strut).
Page 92
JRWHEEL ALIGNMENT2 - 55
WHEEL ALIGNMENT (Continued)
THRUST ANGLE
Thrust angle is the averaged direction the rear
wheels are pointing in relation to the vehicle’s center
line (Fig. 6). The presence of negative or positive
thrust angle causes the rear tires to track improperly
to the left or right of the front tires (dog tracking).
• Negative thrust angle means the rear tires are
tracking to the left of the front tires.
• Positive thrust angle means the rear tires are
tracking to the right of the front tires.
Improper tracking can cause undue tire wear, a
lead or pull and a crooked steering wheel. Excessive
thrust angle can usually be corrected by adjusting
the rear wheel toe so that each wheel has one-half of
the total toe measurement.
Fig. 6 Thrust Angle
DIAGNOSIS AND TESTING - SUSPENSION AND STEERING
CONDITIONPOSSIBLE CAUSESPOTENTIAL CORRECTIONS
Front End Whine On Turns1. Defective Wheel Bearing1. Replace Wheel Bearing
2. Incorrect Wheel Alignment2. Check And Reset Wheel Alignment
3. Tighten Steering Gear Bolts To The
Specified Torque
4. Replace Steering Shaft Coupler
Pressure
2. Replace Steering Gear
Correct Level
tensioner as necessary. If drive belt is worn
or glazed, replace belt.
5. Lubricate Or Replace Steering Ball Joints
7. Replace Steering Coupler
STANDARD PROCEDURE
STANDARD PROCEDURE - PRE-WHEEL
ALIGNMENT INSPECTION
Before any attempt is made to change or correct
the wheel alignment, the following inspection and
necessary corrections must be made to the vehicle to
ensure proper alignment.
(1) Be sure the fuel tank is full of fuel. If the fuel
tank is not full, the reduction in weight will affect
the curb height of the vehicle and the alignment
specifications.
(2) The passenger and luggage compartments of
the vehicle should be free of any load that is not factory equipment.
(3) Check the tires on the vehicle. The tires are to
be inflated to the recommended air pressure. All tires
must be the same size and in good condition with
approximately the same tread wear.
(4) Check the front tire and wheel assemblies for
excessive radial runout.
(5) Inspect all suspension component fasteners for
looseness and torque.
(6) Inspect the ball joints and all steering linkage
for looseness and any sign of wear or damage.
(7) Inspect the rubber bushings on all the suspension components for signs of wear or deterioration. If
any bushings show signs of wear or deterioration,
they should be replaced prior to aligning the vehicle.
(8) Check vehicle curb height to verify it is within
specifications. (Refer to 2 - SUSPENSION/WHEEL
ALIGNMENT - STANDARD PROCEDURE). If curb
height is out of specifications, check for broken or
sagged springs.
STANDARD PROCEDURE - CURB HEIGHT
MEASUREMENT
The wheel alignment is to be checked and all alignment adjustments made with the vehicle at its
required curb height specification.
Vehicle height is to be checked with the vehicle on
a flat, level surface, preferably a vehicle alignment
rack. The tires are to be inflated to the recommended
pressure. All tires are to be the same size as standard equipment. Vehicle height is checked with the
fuel tank full of fuel, and no passenger or luggage
compartment load.
Vehicle height is not adjustable. If the measurement
is not within specifications, inspect the vehicle for bent
or weak suspension components. Compare the parts
tag on the suspect coil spring(s) to the parts book and
the vehicle sales code, checking for a match. Once
removed from the vehicle, compare the coil spring
height to a correct new or known good coil spring. The
heights should vary if the suspect spring is weak.
Page 95
2 - 58WHEEL ALIGNMENTJR
WHEEL ALIGNMENT (Continued)
(1) Measure from the inboard edge of the wheel
opening fender lip directly above the wheel center
(spindle), to the floor or alignment rack surface.
(2) When measuring, maximum left-to-right differential is not to exceed 20 mm (0.79 in.).
CURB HEIGHT SPECIFICATIONS
VEHICLEFRONTREAR
705mm±12mm710mm±12mm
ALL
27.75 in. ± 0.47 in.28.0 in. ± 0.47 in.
STANDARD PROCEDURE - WHEEL ALIGNMENT
(1) Position the vehicle on an alignment rack.
(2) PerformthePRE-WHEELALIGNMENT
INSPECTION. (Refer to 2 - SUSPENSION/WHEEL
ALIGNMENT - STANDARD PROCEDURE).
(3) Install all required alignment equipment on
the vehicle per the alignment equipment manufacturer’s instructions. On this vehicle, a four-wheel alignment is recommended.
NOTE: Prior to reading the vehicle’s alignment
readouts, the front and rear of vehicle should be
jounced. Induce jounce (rear first, then front) by
grasping the center of the bumper and jouncing
each end of vehicle an equal number of times. The
bumper should always be released when vehicle is
at the bottom of the jounce cycle.
(3) Compare the measurements to specifications
listed in the following CURB HEIGHT SPECIFICATIONS chart.
REAR CAMBER AND TOE
Rear Camber on this vehicle is adjustable. The
rear camber on this vehicle is adjusted using the
adjusting screw located in the forward and rear lateral links of the vehicles rear suspension (Fig. 7).
CAUTION: When checking the rear alignment on
this vehicle, the alignment rack must be equipped
with rear skid plates.
(1) For either rear wheel needing alignment,
loosen the adjusting screw jam nuts (Fig. 7) on both
the front and the rear lateral links.
(4) Read the vehicle’s current front and rear alignment settings. Compare the vehicle’s current alignment settings to the vehicle specifications for camber,
caster and toe-in. (Refer to 2 - SUSPENSION/
WHEEL ALIGNMENT - SPECIFICATIONS).
NOTE: Set the rear wheel alignment first before proceeding to the front to set the front wheel alignment.
(5) If rear camber or toe is not within specifications, proceed to REAR CAMBER AND TOE below. If
rear camber and toe are within specifications, but
front camber and caster are not, proceed to FRONT
CAMBER AND CASTER which can be found following REAR CAMBER AND TOE. If rear camber and
toe, and front camber and caster are within specifications, proceed to FRONT TOE.
Rear Caster on this vehicle is not adjustable and is
not shown as an alignment specification.
CAUTION: Do not attempt to adjust the vehicle’s
wheel alignment by heating, bending or modifying
any component of the suspension.
Fig. 7 Lateral Link Adjusting Screw Jam Nuts
1 - FORWARD LATERALARM
2 - STABILIZER BAR
3 - ADJUSTING SCREW
4 - JAM NUT
5 - ADJUSTING SCREW
6 - JAM NUTS
7 - REAR LATERAL LINK
CAUTION: Do not attempt to move the adjusting
screws without properly loosening the jam nuts.
Note that each adjusting screw has one righthanded nut and one left-handed nut.
Page 96
JRWHEEL ALIGNMENT2 - 59
WHEEL ALIGNMENT (Continued)
CAUTION: When setting rear camber and toe on the
vehicle, the maximum lengths of the adjustable lateral link at the locations shown (Fig. 8) must not be
exceeded. If these maximum lengths are exceeded,
inadequate retention of adjustment link to the inner
and outer link may result.
Fig. 8 Rear Lateral Link Maximum Length
Dimensions
(2) Rough-in the rear camber setting as close as
possible to the preferred specification by mainly
adjusting the rear lateral link adjusting screw (Fig.
7). Some adjustment of the forward lateral link
adjusting screw will also be required to get the rear
camber setting to the preferred specification. (Refer
to 2 - SUSPENSION/WHEEL ALIGNMENT - SPECIFICATIONS).
(3) Adjust the forward lateral link adjusting screw
(Fig. 7)to set rear toe to the preferred specification.
(Refer to 2 - SUSPENSION/WHEEL ALIGNMENT SPECIFICATIONS).
NOTE: Adjusting toe will cause a slight change in
the camber setting. If during the setting of toe, camber is no longer at the preferred specification, continue to adjust camber and toe until both are at
their preferred specifications.
(4) While holding adjustment screws from turning,
use a crow foot and torque wrench, and tighten all
lateral link adjusting screw jam nuts to a torque of
92 N·m (68 ft. lbs.). This will securely hold the
adjusting screws from turning.
(5) Proceed to FRONT CASTER AND CAMBER, or
FRONT TOE if front caster and camber are within
specifications.
FRONT CAMBER AND CASTER
Camber and caster settings on this vehicle are
determined at the time the vehicle is designed, by
the location of the vehicle’s suspension components.
This is referred to as NET BUILD. The result is no
required adjustment of camber and caster after the
vehicle is built or when servicing the suspension
components. Thus, when performing a wheel alignment, caster and camber are not normally considered
adjustable angles. Camber and caster should be
checked to ensure they meet vehicle specifications.
(Refer to 2 - SUSPENSION/WHEEL ALIGNMENT SPECIFICATIONS).
If front camber is found not to meet alignment
specifications, it can be adjusted using a procedure
listed here. Before performing the camber adjustment
procedure, inspect the suspension components for
any signs of damage or bending.
CAMBER ADJUSTMENT PROCEDURE
(1) Open the hood and mark the position of all
four shock assembly mounting bolts on the shock
tower (Fig. 9) on the side of the vehicle requiring
front camber adjustment.
Fig. 9 Shock Assembly Mounting Bolts
1 - SHOCK TOWER
2 - MOUNTING BOLTS
(2) Raise the vehicle by the frame until the tires
and front suspension are not supporting the weight
of the vehicle.
(3) Loosen the shock assembly mounting bolts on
the side marked in step 1. Loosen the bolts enough to
allow adequate space for removal of the plastic locating pins that align the upper mounting bracket with
the shock tower.
(4) Remove and discard both plastic locating pins
from the shock assembly upper mounting bracket
using a punch or pliers.
NOTE: Do not leave the plastic locating pins in the
cavity of the shock tower or mount. Objectionable
noise may result.
Page 97
2 - 60WHEEL ALIGNMENTJR
WHEEL ALIGNMENT (Continued)
(5) Position the shock assembly inboard or outboard as required to adjust the camber. Make sure
the fore and aft position is in the same as indicated
by the marks made prior to adjustment, and also the
forwardandrearwardboltsaremovedequal
amounts inward or outward.
NOTE: Do not attempt to enlarge any existing holes
to increase adjustment range.
(6) Torque the upper shock assembly mounting
bolts to 90 N·m (68 ft. lbs.)
(7) Lower the vehicle. Jounce the front and rear of
vehicle an equal amount of times.
(8) Check and adjust the front camber as necessary. (Refer to 2 - SUSPENSION/WHEEL ALIGNMENT - SPECIFICATIONS).
(9) If toe readings obtained are not within the
required specification range, adjust toe to meet the
preferred specification setting. Toe is adjustable
using the following procedure.
1 - OUTER TIE ROD
2 - JAM NUT
3 - INNER TIE ROD
4 - STEERING GEAR BOOTS
5 - ADJUSTMENT SERRATIONS
6 - STEERING KNUCKLE
Fig. 10 Front Wheel Toe Adjustment
FRONT TOE
(1) Center the steering wheel and lock in place
using a steering wheel clamp.
CAUTION: Do not twist front inner tie rod to steering gear rubber boots during front wheel Toe
adjustment.
(2) Loosen front inner to outer tie rod end jam
nuts (Fig. 10). Grasp inner tie rods at serrations and
rotate inner tie rods of steering gear to set front toe
to the preferred toe specification. (Refer to 2 - SUSPENSION/WHEELALIGNMENT-SPECIFICATIONS).
(3) Tighten tie rod jam nuts (Fig. 10) to 61 N·m
(45 ft. lbs.) torque.
(4) Adjust steering gear to tie rod boots at the
inner tie rod.
(5) Remove steering wheel clamp.
(6) Remove the alignment equipment.
(7) Road test the vehicle to verify the steering
wheel is straight and the vehicle does not wander or
pull.
Page 98
JRWHEEL ALIGNMENT2 - 61
WHEEL ALIGNMENT (Continued)
SPECIFICATIONS
WHEEL ALIGNMENT
NOTE: All specifications are given in degrees.
FRONT WHEEL
ALIGNMENT
CAMBER20.3°20.9° to +0.3°
Cross Camber (Maximum
side-to-side difference)
CASTER+3.3°+2.3° to +4.3°
Cross Caster (Maximum
side-to-side difference)
TOE* - RIGHT OR LEFT+0.12°+0.02° to +0.22°
TOTAL TOE* **+0.24°+0.04° to +0.44°
REAR WHEEL
ALIGNMENT
CAMBER20.5°20.9° to 20.1°
TOE* - RIGHT OR LEFT+0.05°20.05° to +0.15°
TOTAL TOE* **+0.10°20.10° to +0.30°
THRUST ANGLE0.00°20.15 to 0.15°
*Positive (+) toe is toe-in, negative (2) toe is toe-out.
**Total toe is the arithmetic sum of the left and right wheel toe settings. Total Toe must be equally split
between each front wheel to ensure the steering wheel is centered after setting Toe. Left and right toe
must be equal to within 0.02 degrees.
PREFERRED SETTINGACCEPTABLE RANGE
PREFERRED SETTINGACCEPTABLE RANGE
NOTE: All wheel alignments are to be set with the
vehicle at its proper curb height. (Refer to 2 - SUSPENSION/WHEEL ALIGNMENT - STANDARD PROCEDURE).
0.0°0.7°
0.0°1.0°
Page 99
Page 100
JRDIFFERENTIAL & DRIVELINE3 - 1
DIFFERENTIAL & DRIVELINE
TABLE OF CONTENTS
page
HALF SHAFT............................1
HALF SHAFT
TABLE OF CONTENTS
pagepage
HALF SHAFT
DESCRIPTION..........................1
OPERATION............................1
DIAGNOSIS AND TESTING
HALFSHAFT DIAGNOSIS................1
REMOVAL.............................3
INSTALLATION..........................6
SPECIFICATIONS - HALFSHAFT............9
HALF SHAFT
DESCRIPTION
This vehicle is equipped with an unequal length
halfshaft system (Fig. 1). These halfshafts consist of
two constant velocity joints connected by a solid
shaft. A solid short interconnecting shaft is used on
the left side. A long solid interconnecting shaft is
used on the right side.
Some halfshafts use a tuned rubber damper
weight. When replacing a halfshaft assembly, be sure
the replacement halfshaft has the same damper
weight as the original.
Both halfshaft assemblies use the same type of
inner and outer joints. The inner joint of both halfshaft assemblies is a tripod joint, and the outer joint
of both halfshaft assemblies is a Rzeppa joint. Both
tripod joints and Rzeppa joints are true constant
velocity (C/V) joint assemblies. The inner tripod joint
allows for the changes in halfshaft length through
the jounce and rebound travel of the front suspension.
On vehicles equipped with ABS brakes, the outer
C/V joint is equipped with a tone wheel used to
determine vehicle speed for ABS brake operation.
SPECIAL TOOLS
HALFSHAFT..........................9
CV BOOT - INNER
REMOVAL.............................9
INSTALLATION.........................10
CV BOOT - OUTER
REMOVAL.............................14
INSTALLATION.........................15
The inner tripod joint of both halfshafts is splined
into the transaxle side gears. The inner tripod joints
are retained in the side gears of the transaxle using
a snap ring located in the stub shaft of the tripod
joint. The outer C/V joint has a stub shaft that is
splined into the wheel hub and retained by a steel
hub nut.
OPERATION
Halfshaft assemblies are designed to transmit
power from the transaxle to the front wheels, while
allowing for powertrain and suspension flex.
DIAGNOSIS AND TESTING
HALFSHAFT DIAGNOSIS
VEHICLE INSPECTION
(1) Check for grease in the vicinity of the inboard
tripod joint and outboard C/V joint; this is a sign of
inner or outer joint seal boot or seal boot clamp damage.
(2) A light film of grease may appear on the right
inner tripod joint seal boot; this is considered normal
and should not require replacement of the seal boot.
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