Mitsubishi ENGINE 4G9, ENGINE 4G6 SERVICE MANUAL

ENGINE
11A-1
CONTENTS
ENGINE <4G6> 11A............................................
ENGINE <4G9> 11B............................................
11109000276
11A-2
ENGINE
<4G6>
CONTENTS
GENERAL INFORMATION 3..................
SERVICE SPECIFICATIONS 3.................
SEALANTS 4................................
SPECIAL TOOLS 5..........................
ON-VEHICLE SERVICE 6.....................
Drive Belt Tension Check and Adjustment 6......
CRANKSHAFT PULLEY 17..................
CAMSHAFT AND CAMSHAFT OIL SEAL 18..
OIL PAN 22.................................
CRANKSHAFT OIL SEAL 24.................
CYLINDER HEAD GASKET 27...............
TIMING BELT AND TIMING BELT B 30......
ENGINE ASSEMBLY 37.....................
ENGINE <4G6> -
General Information/Service Specifications

GENERAL INFORMATION

Items 4G64-GDI
Total displacement mL 2,350
Bore ´ Stroke mm 86.5 ´ 100.0
Compression ratio 11.5
Combustion chamber Pentroof + ball-in-piston
Camshaft arrangement DOHC
11A-3
Number of valve
V alve timing Intake
Fuel system Electronically controlled multipoint fuel injection
Rocker arm Roller type
Auto-lash adjuster Equipped
Intake 8
Exhaust 8
Opening BTDC 16_
Closing ABDC 60_
Exhaust
Opening BBDC 56_
Closing ATDC 16_

SERVICE SPECIFICATIONS

Items Standard value Limit
Alternator drive Vibration belt tension frequency Hz
Tension N
When checked 189 - 232 -
When a used belt is installed 201 - 222 -
When a new belt is installed 241 - 276 -
When checked 392 - 588 -
Deflection (Reference value) mm
When a used belt is installed 441 - 539 -
When a new belt is installed 637 - 833 -
When checked 6.7 - 9.0 -
When a used belt is installed 7.2 - 8.4 -
When a new belt is installed 5.0 - 6.4 -
11A-4
Items LimitStandard value
ENGINE <4G6> -
Service Specifications/Sealants
Power steering Vibration oil pump and A/C compressor drive belt tension
Basic ignition timing 5_ BTDC ± 3_ -
Ignition timing Approx. 20_BTDC*
Idle speed r/min M/T 600 ± 100*
CO contents % 0.5 or less -
HC contents ppm 100 or less -
Compression pressure kPa - r/min 1,570 - 300 1,210 - 300
frequency Hz
Tension N
Deflection (Reference value) mm
A/T 650 ± 100 -
When checked 108 - 132 -
When a used belt is installed 114 - 126 -
When a new belt is installed 137 - 157 -
When checked 392 - 588 -
When a used belt is installed 441 - 539 -
When a new belt is installed 637 - 834 -
When checked 11.7 - 15.3 -
When a used belt is installed 12.5 - 14.3 -
When a new belt is installed 8.8 - 11.0 -
1
2
2
-
-
Compression pressure difference of all cylinder kPa - Max. 100
Intake manifold vacuum kPa - Min. 56*
Cylinder head bolt shank length mm - 99.4
Auto-tensioner push rod movement mm Within 1 -
Timing belt tension torque Nm (Reference value) 2.5 -
Auto-tensioner rod protrusion amount mm 3.8 - 4.5 -
NOTE
*1: Indicates the value measured within 4 minutes since the engine was started.
2
*
: Varies depending on the transmission oil temperature. For details, refer to P.11A-11.
3
*
: Indicates the value when more than 4 minutes have passed since the engine was started.

SEALANTS

Items Specified sealants Remarks
Beam camshaft cap Cylinder head
Cam position sensor support Oil pan
3M ATD Part No.8660 or equivalent -
MITSUBISHI GENUINE PART MD970389 or equivalent
Semi-drying sealant
3
Flywheel or drive plate bolt 3M Stud Locking 4170 or equivalent -
ENGINE <4G6> -

Special Tools

SPECIAL TOOLS
Tool Number Name Use
11A-5
MB991502 MUT-II sub
assembly
MB991668 Belt tension meter
set
MB990767 End yoke holder D Holding the camshaft sprocket
MD998719 or MD998754
Crankshaft pulley holder pin
D Measuring the drive belt tension D Checking the ignition timing D Checking the idle speed D Erasing diagnosis code
Measuring the drive belt tension (used together with the MUT-II)
D Holding the crankshaft sprocket
D Holding the camshaft sprocket D Holding the crankshaft sprocket
MD998713 Camshaft oil seal
installer
MD998727 Oil pan remover Removal of oil pan
MD998781 Flywheel stopper Securing the flywheel
MD998776 Crankshaft rear oil
seal installer
Press-in of the camshaft oil seal
Press-in of the crankshaft rear oil seal
MB990938 Handle Press-in of the crankshaft rear oil seal
11A-6
Tool UseNameNumber
ENGINE <4G6> -
Special Tools/On-vehicle Service
MD998382 Crankshaft front oil
seal installer
MD998285 Crankshaft front oil
seal guide
MD998767 Tension pulley
socket wrench
GENERAL SERVICE TOOL MZ203827
Engine lifter Supporting the engine assembly during
Installation of crankshaft front oil seal
Timing belt tension adjustment
removal and installation of the transmission
MB991453 Engine hanger
assembly

ON-VEHICLE SERVICE

DRIVE BELT TENSION CHECK AND ADJUSTMENT
ALTERNATOR DRIVE BELT TENSION CHECK
Check the drive belt tension in the following procedure.
Standard value:
Vibration frequency Hz 189 - 232
Tension N 392 - 588
Deflection (Reference value) mm 6.7 - 9.0
ENGINE <4G6> -
On-vehicle Service
11A-7
MB991668 (Micro­phone)
Alternator pulley
15
15
_
_
10 - 20 mm
Water pump pulley
Crankshaft pulley
1. Connect the special tool (belt tension meter set) to the
MUT-II.
2. Connect the MUT-II to the diagnosis connector.
3. Turn the ignition switch to ON and select “Belt Tension Measurement” from the menu screen.
4. Hold the microphone to the middle of the drive belt between the pulleys (at the place indicated by the arrow), about 10 - 20 mm away from the rear surface of the belt and so that it is perpendicular to the belt (within an angle of ± 15_).
5. Gently tap the middle of the belt between the pulleys (the place indicated by the arrow) with your finger as shown in the illustration, and check that the vibration frequency of the belt is within the standard value.
Caution (1) The temperature of the surface of the belt should
be as close as possible to normal temperature.
(2) Do not let any contaminants such as water or
oil get onto the microphone.
(3) If strong gusts of wind blow against the
microphone or if there are any loud sources of noise nearby, the values measured by the microphone may not correspond to actual values.
(4) If the microphone is touching the belt while the
measurementis being made, the values measured by the microphone may not correspond to actual values.
(5) Do not take the measurement while the vehicle’s
engine is running.
<When using the MUT-II>
Alternator pulley
Alternator pulley
Belt tension gauge
98 N
Water pump pulley
Crankshaft pulley
Water pump pulley
Crankshaft pulley
<When using a tension gauge>
Use a belt tension gauge to check that the belt tension is within the standard value.
<Belt deflection check>
Apply 98 N of force to the middle of the drive belt between the pulleys (at the place indicated by the arrow) and check that the amount of deflection is within the standard value.
11A-8
Adjusting bolt
Lock bolt
ENGINE <4G6> -
ALTERNATOR DRIVE BELT TENSION ADJUSTMENT
1. Loosen the nut of the alternator pivot bolt.
2. Loosen the lock bolt.
3. Use the adjusting bolt to adjust the belt tension and belt deflection to the standard values.
Standard value:
4. Tighten the nut of the alternator pivot bolt.
Tightening torque: 49 Nm
5. Tighten the lock bolt.
Tightening torque: 22 Nm
6. Tighten the adjusting bolt.
On-vehicle Service
Items When a used
belt is installed
Vibration frequency Hz 201 - 222 241 - 276
Tension N 441 - 539 637 - 833
Deflection (Reference value) mm
7.2 - 8.4 5.0 - 6.4
When a new belt is installed
Tightening torque: 5 Nm
ENGINE <4G6> -
On-vehicle Service
11A-9
<VehicleswithoutA/C>
Oil pump pulley
98 N
A
Crankshaft pulley
<Vehicleswith A/C>
Oil pump pulley
98 N
Crankshaft pulley
A
B
Tensioner pulley
Tensioner pulley
B
A/C compressor pulley
POWER STEERING OIL PUMP AND AIR CONDITIONER COMPRESSOR DRIVE BELT TENSION CHECK AND ADJUSTMENT
11100130127
1. Check if the belt tension is within the standard value using one of the methods below.
Standard value:
Items When
checked
Vibration frequency Hz
Tension N 392 - 588 441 - 539 637 - 834
Deflection (Reference value) mm
108 - 132 114 - 126 137 - 157
11.7 - 15.3 12.5 - 14.3 8.8 - 11.0
When a used belt is installed
When a new belt is installed
<When measuring the vibration frequency>
With your finger tip lightly tap the centre of the belt between the pulleys in t he location shown by the arrow in the illustration and then measure the belt vibration frequency.
NOTE Refer to P.11A-7 for information regarding the vibration
frequency measurement method using MUT-II.
<When measuring the tension>
Use a belt tension gauge to measure the belt tension.
<When measuring the deflection>
Apply 98 N of pressure against the location between the pulleys shown by the arrow in the illustration and then measure the deflection.
2. If the tension or deflection is outside the standard value, adjust by the following procedure.
(1) Loosen tensioner pulley fixing nut A. (2) Adjust the amount of belt deflection using adjusting
bolt B.
(3) Tighten fixing nut A.
Tightening torque: 25 Nm
(4) Check the belt deflection amount and tension, and
readjust if necessary.
Caution Check after turning the crankshaft once or more clockwise (right turn).
11A-10
ENGINE <4G6> -
On-vehicle Service
Idle speed r/min
900
800
700
600
-10 20 50
Transmission oil temperature_C
IGNITION TIMING CHECK
1. Before inspection, set the vehicle to the pre-inspection condition. For vehicles with manual transmission, drive the vehicle for 15 minutes or more to warm the engine, and then carry out the checking while the transmission oil temperature is more than 50°C.
NOTE The idle speed in vehicles with manual transmission varies as shown in the illustration in accordance with the transmission oil temperature.
2. Turn off the ignition switch and then connect the MUT-II
to the diagnosis connector.
3. Set the timing light to the power supply line (terminal No.1) of the ignition coil No.1.
No.1 ignition coil
NOTE The power supply line is looped and also longer than the other ones.
4. Start the engine a nd let it run at idle.
5. Use the MUT-II to measure engine idle speed and check
that it is within the standard value.
Standard value:
Items Idle speed r/min
M/T 600±100 (700±100)*
A/T 650±100 (700±100)*
NOTE *: Indicates the values when more than 4 minutes have
passed since the idling condition was started.
6. Select No.17 of the MUT-II Actuator test.
NOTE At this time, the engine speed will become approximately 700 r/min.
7. Check that basic ignition timing is within the standard value.
Standard value: 5_BTDC±3
_
8. If the basic ignition timing is outside the standard value, inspect the GDI system while referring to GROUP 13A ­Troubleshooting.
ENGINE <4G6> -
9. Press the MUT-II clear key (Select a forced driving cancel
mode) to release the Actuator test.
Caution If the test is not cancelled, a forced driving will continue for 27 minutes. Driving under this condition may damage the engine.
10. Check that ignition timing is at the standard value.
Standard value: approx. 20_BTDC
NOTE (1) The ignition timing will become approximately 5_BTDC
(2) The ignition timing may fluctuate within ±7_BTDC.
(3) In higher altitude, the ignition timing is more advanced
11. Remove the timing light.
12. Turn off the ignition switch and then remove the MUT-II.
On-vehicle Service
11A-11
after more than 4 minutes have passed since the basic ignition timing set mode was released.
This is normal.
than the standard value by approximately 5 degree.
Idle speed r/min
900
800
700
600
-10 20 50
Transmission oil temperature_C
IDLE SPEED CHECK
1. Before inspection, set the vehicle to the pre-inspection condition. For vehicles with manual transmission, drive the vehicle for 15 minutes or more to warm the engine, and then carry out the checking while the transmission oil temperature is more than 50°C.
NOTE The idle speed in vehicles with manual transmission varies as shown in the illustration in accordance with the transmission oil temperature.
2. Turn off the ignition switch and then connect the MUT-II
to the diagnosis connector.
3. Check the basic ignition timing.
NOTE Refer to P.11A-10 concerning the check procedure of the basic ignition timing.
Standard value: 5_BTDC±3
4. Run the engine at idle for 2 minutes.
_
11A-12
ENGINE <4G6> -
5. Check the idle speed. Select item No. 22 and take a reading of the idle speed.
Standard value:
NOTE (1) *: Indicates the values when more than 4 minutes
(2) The idle speed is controlled automatically by the idle
6. If the idle speed is outside the standard value, inspect the GDI components by referring to GROUP 13A ­Troubleshooting.
IDLE MIXTURE CHECK
1. Before inspection, set the vehicle to the pre-inspection condition.
2. Connect the MUT-II to the diagnosis connector.
3. Check that the basic ignition timing is within the standard value.
NOTE Refer to P.11A-10 concerning the check procedure of the basic ignition timing.
Standard value: 5_BTDC ± 3
4. Run the engine at 2,500 r/min for 2 minutes.
5. Set t he CO, HC tester.
6. Check the CO contents and the HC contents at idle.
NOTE This measurement should be performed in less than approximately 4 minutes since the engine speed become the idle speed.
Standard value
7. If there is a deviation from the standard value, check t he following items:
D Diagnosis output D Fuel pressure D Injector D Ignition coil, spark plug D EGR control system D Evaporative emission control system D Compression pressure
NOTE Replace the three way catalyst when the CO and HC contents are not within the standard value, even though the result of the inspection is normal on all items.
On-vehicle Service
Items Idle speed r/min
M/T 600±100 (700±100)*
A/T 650±100 (700±100)*
have passed since the idling condition was started.
speed control system.
_
CO contents: 0.5% or less HC contents: 100 ppm or less
Crank angle sensor connector
ENGINE <4G6> -
ENGINE <4G6> -
COMPRESSION PRESSURE CHECK
1. Before inspection, check that the engine oil, starter and battery are normal. In addition, set the vehicle to the pre-inspection condition.
2. Remove all of t he ignition coils and spark plugs.
3. Disconnect the crank angle sensor connector.
NOTE Doing this will prevent the engine-ECU from carrying out ignition and fuel injection.
4. Cover the spark plug hole with a shop towel etc., and after the engine has been cranked, check that no foreign material is adhering to the shop towel.
Caution (1) Keep away from the spark plug hole when
(2) If compression is measured with water, oil, fuel,
On-vehicle Service
On-vehicle Service
cranking. etc.,that has comefrom cracks inside the cylinder,
these materials will become heated and will gush out from the spark plug hole, which is dangerous.
11A-13
Compression gauge
5. Set compression gauge to one of the spark plug holes.
6. Crank the engine with the throttle valve fully open and measure the compression pressure.
Standard value (at engine speed of 300 r/min):
1,570 kPa
Limit (at engine speed of 300 r/min):
Min. 1,210 kPa
7. Measure the compression pressure for all the cylinders, and check that the pressure differences of the cylinders are below the limit.
Limit: Max. 100 kPa
8. If there is a cylinder with compression or a compression difference that is outside the limit, pour a small amount of engine oil through the spark plug hole, and repeat the operations in steps 6 and 7.
(1) If the compression increases after oil is added, the
cause of the malfunction is a worn or damaged piston ring and/or cylinder inner surface.
(2) If the compression does not rise after oil is added,
the cause is a burnt or defective valve seat, or pressure is leaking from the gasket.
9. Connect the crank angle sensor connector.
10. Install the spark plugs and ignition coils.
11. Use the MUT-II to erase the diagnosis codes.
NOTE This will erase the diagnosis code resulting from the crank angle sensor connector being disconnected.
11A-14
ENGINE <4G6> -
Vacuum gauge
Plug
On-vehicle Service
MANIFOLD VACUUM CHECK
1. Before inspection, set the vehicle to the pre-inspection condition.
2. Disconnect the ventilation hose from the positive crankcase ventilation (PCV) valve, and then connect a vacuum gauge to the ventilation hose.
3. Check the intake manifold vacuum while the engine is idling.
Limit: Min. 56 kPa
LASH ADJUSTER CHECK
If an abnormal noise (knocking) that seems to be coming from the lash adjuster is heard after starting the engine and does not stop, carry out the following check.
NOTE (1) The abnormal noise which is caused by a problem
with the lash adjusters is generated after the engine is started, and will vary according to the engine speed. However, this noise is not related to the actual engine load. Because of this, if the noise does not occur immediately after the engine is started, if it does not change in accordance with the engine speed, or if it changes in accordance with the engine load, the source of the noise is not th e lash adjusters.
(2) If there is a problem with the lash adjusters, the noise
will almost never disappear, even if the engine has been run at idle to let it warm up. The only case where the noise might disappear is if the oil in the engine has not been looked after properly and oil sludge has caused the lash adjusters to stick.
1. Start the engine.
2. Check that the noise occurs immediately after the engine is started, and that the noise changes in accordance with changes in the engine speed. If the noise does not occur immediately after the engine is started, or if it does not change in accordance with the engine speed, the problem is not being caused by the lash adjusters, so check for some other cause of the problem. Moreover, if the noise does not change in accordance with the engine speed, the cause of the problem is probably not with the engine. (In these cases, the lash adjusters are normal.)
3. While the engine is idling, check that the noise level does not change when the engine load is varied (for example, by shifting from N ® D). If the noise level changes, the cause of the noise is probably parts striking because of worn crankshaft bearings or connecting rod bearings. (In such cases, the lash adjusters are normal.)
ENGINE <4G6> -
4. After the engine has warmed up, run it at idle and check if any noise can be heard. If t he noise has become smaller or disappeared, oil sludge could make the lash adjusters stick. Clean the lash adjusters. (Refer to the Engine Workshop Manual.) If not improved, go to step 5.
5. Bleed air from the lash adjusters. (Refer to P.11A-15.)
6. If the noise has not disappeared even after the air bleeding, clean the lash adjusters. (Refer to the Engine Workshop Manual.)
<LASH ADJUSTER AIR BLEEDING>
NOTE (1) If the vehicle is parked on a slope for a long period
(2) After parking the vehicle for long periods, the oil drains
(3) If either of the above situations occur, the abnormal
On-vehicle Service
of time, the amount of oil inside the lash adjuster will decrease, and air may get into the high pressure chamber when starting the engine.
out of the oil passage, and it takes time for the oil to be supplied to the lash adjuster, so air can get into the high pressure chamber.
noise can be eliminated by bleeding the air from inside the lash adjusters.
11A-15
Good
1. Check the engine oil and replenish or replace the oil if necessary.
NOTE (1) If there is a only small amount of oil, air will be drawn
in through the oil screen and will get into the oil passage.
(2) If the amount of oil is greater than normal, then the
oil will being mixed by the crankshaft an d a large amount of air may get mixed into the oil.
(3) If the oil is degenerated, air and oil will not separate
easily in oil, and the amount of air mixed into the oil will increase.
11A-16
ENGINE <4G6> -
High-pressure chamber
On-vehicle Service
(4) If the air which has been mixed in with the oil due
to any of the above reasons gets into the high pressure chamber of the lash adjuster, the air inside the high pressure chamber will be compressed when the valve is open and the lash adjuster will over-compress, resulting in abnormal noise when the valve closes. This is the same effect as if the valve clearance is adjusted to be too large by mistake. If the air inside the lash adjusters is then released, the operation of the lash adjusters will return to normal.
Drive pattern for air bleeding
Gradually open the throttle valve.
Approx. 3,000 r/min
Idle speed
15 seconds
Once
Close the throttle valve.
15 seconds
2. Run the engine at idle for 1 - 3 minutes to let it warm up.
3. With no load on the engine, repeat the drive pattern shown in the illustration at left and check if the abnormal noise disappears. (The noise should normally disappear after 10 - 30 repetitions, but if there is no change in the noise level after 30 repetitions or more, the problem is probably not due to air inside the lash adjusters.)
4. After the noise has disappeared, repeat the drive pattern shown in the illustration at left a further 5 times.
5. Run the engine at idle for 1 - 3 minutes and check that the noise has disappeared.
ENGINE <4G6> -

Crankshaft Pulley

11A-17
CRANKSHAFT PULLEY
REMOVAL AND INSTALLATION
Pre-removal Operation
Under Cover Removal
2
1
11200160303
Post-installation Operation
D Drive Belt Tension Adjustment (Refer to P.11A-6.) D Under Cover Installation
e
3
25 Nm
Removal steps
1. Drive belt (Power steering and A/C)
2. Drive belt (Alternator)
3. Crankshaft pulley
11A-18
ENGINE <4G6> -

Camshaft and Camshaft Oil Seal

CAMSHAFT AND CAMSHAFT OIL SEAL
REMOVAL AND INSTALLATION
Pre-removal Operation
D Air Intake Hose Assembly Removal D Timing Belt Removal (Refer to P.11A-30.) D Engine Coolant Draining D Intake Manifold Removal (Refer to GROUP 15.) D Fuel Pump (High Pressure) Removal (Refer to
GROUP 13A.)
12
10 Nm
11
Post-installation Operation
D Fuel Pump (High Pressure) Installation (Refer to
GROUP 13A.)
D Intake Manifold Installation (Refer to GROUP 15.) D Timing Belt Installation (Refer to P.11A-30.) D Air Intake Hose Assembly Installation D Engine Coolant Supplying D Drive Belt Tension Adjustment (Refer to P.11A-6.)
11200190418
3.4 Nm
8
9
22 Nm
4
12 - 15 Nm
2
3
19 - 21 Nm
1
7
13
9Nm
10
5
10 - 12 Nm
88 Nm
6
"EA
AA""DA
Removal steps
1. Cam position sensor
2. Cover
3. Gasket
4. Camshaft position sensing cylinder
5. Camshaft position sensor support
6. Camshaft sprocket
7. Timing belt rear cover
"CA "BA
"AA
8. Rocker cover
9. Rocker cover gasket
10. Camshaft oil seal
11. Beam camshaft cap
12. Beam camshaft cap gasket
13. Camshaft
ENGINE <4G6> -
Lubrication points
<Seen from underneath beam camshaft cap>
Sealant: 3M ATD Part No.8660 or equivalent
Camshaft and Camshaft Oil Seal
f3mm
11A-19
Sealant: MITSUBISHI GENUINE PART MD970389 or equivalent
<Seen from above cylinder head>
Lip section
Engine oil
Sealant: 3M ATD Part No.8660 or equivalent
11A-20
MB990767
MD998715 or MD998719
ENGINE <4G6> -
Camshaft and Camshaft Oil Seal
REMOVAL SERVICE POINTS
AA"
CAMSHAFT SPROCKET REMOVAL
Camshaft sprocket side
Exhaust camshaft
Approx. 12
Intake side
28
20
Dowel pin
_
27
19 23
Screw hole
Exhaust side
24
INSTALLATION SERVICE POINTS
"AA
1. Apply engine oil to journals and cams of the camshafts.
2. Install the camshafts on the cylinder head.
"BA
1. Place the camshaft dowel pin as shown in the illustration.
2. Tighten the beam camshaft cap mounting bolts to the
CAMSHAFT INSTALLATION
Caution Be careful not to confuse the intake camshaft with the exhaust one. There is a screw hole for the cam position sensing cylinder mounting bolt on the exhaust-side camshaft.
BEAM CAMSHAFT CAP INSTALLATION
specified torque in the order shown in the illustration.
Tightening torque: 19 - 21 Nm
11
12
87
14
22
30
3
13
2
21 17
4
29
15 16
5
61
910
18
25
26
ENGINE <4G6> -
Camshaft and Camshaft Oil Seal
11A-21
MD998713
90
"CA
CAMSHAFT OIL SEAL INSTALLATION
1. Apply engine oil to the entire circumference of the oil seal lip.
2. Press-fit the oil seal as shown in the illustration.
"DA
CAMSHAFT SPROCKET INSTALLATION
Use the special tool to secure the camshaft sprocket in the same way as during removal, and then tighten the bolt to the specified torque.
Tightening torque: 88 Nm
Dowel pin
_
"EA
Position the identification paint of cam position sensing
CAM POSITION SENSING CYLINDER INSTALLATION
cylinder as shown in the illustration.
Identification paint
11A-22
ENGINE <4G6> -

Oil Pan

OIL PAN
REMOVAL AND INSTALLATION
Pre-removal a nd Post-installation Operation
D Under Cover Removal and Installation D Engine Oil Draining and Supplying (Refer to GROUP
12 - On-vehicle Service.)
6
f 4 ± 1mm
Groove
Sealant: MITSUBISHI GENUINE PART MD970389 or equivalent
Bolt hole
9Nm
11200280207
D Oil Level Gauge Removal and Installation D Front Exhaust Pipe Removal and Installation (Refer
to GROUP 15.)
6
39 Nm
2
1
4
5
"AA
MD998727
Removal steps
1. Drain plug
2. Drain plug gasket
3. Transmission stay
MD998727
9Nm
9Nm
3
44 Nm
22 Nm
4. Bell housing cover
AA"
5. Oil level sensor
6. Oil pan
REMOVAL SERVICE POINT
AA"
After removing the oil pan mounting bolts, remove the oil pan with the special tool and a brass bar.
Caution Perform this slowly to avoid deformation of the oil pan flange.
OIL PAN REMOVAL
Drain plug gasket
Oil pan side
ENGINE <4G6> -
INSTALLATION SERVICE POINT
"AA
Install the drain plug gasket in the direction so that it faces as shown in the illustration.
DRAIN PLUG GASKET INSTALLATION
Oil Pan
11A-23
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