Acura RL (2005), RL (2006), RL (2007), RL (2008) Workshop Manual

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Page 1

2007 Acura RL

CABIN AIR FILTERS Dust & Pollen Filter - RL

CABIN AIR FILTERS

Dust & Pollen Filter - RL

REMOVAL & INSTALLATION

NOTE: Manufacturer's terminology for this filter is dust and pollen filter.

CABIN AIR FILTER

Removal & Installation (2005-2006)

1. Remove the glove box housing. See GLOVE BOX HOUSING . Remove the dust and pollen filter assembly from the evaporator. See Fig. 1

Fig. 1: Removing Dust & Pollen Filter From Evaporator Courtesy of AMERICAN HONDA MOTOR CO., INC.

2. Remove the filter (A) from the housin

(B), and replace the filter. See Fig. 2 .

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2007 Acura RL

CABIN AIR FILTERS Dust & Pollen Filter - RL

Fig. 2: Removing Filter From Housing Courtesy of AMERICAN HONDA MOTOR CO., INC.

3. Install the filter in the reverse order of removal. Make sure that there is no air leaking out of the evaporator.

GLOVE BOX HOUSING

Removal & Installation

1. Remove the passenger's dashboard under cover (A). Gently pull down the front edge to detach the clips (B). See Fig. 3

. Disconnect the ambient light connector (C). Pull the cover away to release the

pins (D) from the holders (E).

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2007 Acura RL

CABIN AIR FILTERS Dust & Pollen Filter - RL

Fig. 3: Removing Passenger's Dashboard Under Cover Courtesy of AMERICAN HONDA MOTOR CO., INC.

2. Open the glove box (A) and document tray (B). Remove the lid (C), then remove the screws (D) and

olt (E). See Fig. 4 .

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2007 Acura RL

CABIN AIR FILTERS Dust & Pollen Filter - RL

Fig. 4: Removing Document Tray & Lid Courtesy of AMERICAN HONDA MOTOR CO., INC.

3. Close the

love box (A), then remove the bolts from the lower edge. See Fig. 5 .

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2007 Acura RL

CABIN AIR FILTERS Dust & Pollen Filter - RL

Fig. 5: Removing Lower Glove Box Bolts Courtesy of AMERICAN HONDA MOTOR CO., INC.

4. Remove the glove box (A). See Fig. 6

. Pull out the glove box, then remove the clips (B). Remove the harness clip (C) and the ambient light bulb socket (D). Disconnect the trunk lid opener main switch connector (E).

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2007 Acura RL

CABIN AIR FILTERS Dust & Pollen Filter - RL

Fig. 6: Removing Glove Box Courtesy of AMERICAN HONDA MOTOR CO., INC.

5. Install the box in the reverse order of removal, and note these items: Replace any damaged clips. Push the clips into place securely. Make sure the connector is plugged in properly, and the bulb socket is connected securely. Take care not to scratch the passenger's front console cover.

6. Install the passenger's dashboard under cover in the reverse order of removal, and note these items: Replace any damaged clips. Push the clips into place securely. Make sure the connector is plugged in properly. Make sure the pins of the cover are installed securely to the holders.

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2007 Acura RL

2005-08 ENGINE Cooling System - RL

2005-08 ENGINE

Cooling System - RL

COMPONENT LOCATION INDEX

Fig. 1: Identifying Cooling System Components Location Courtesy of AMERICAN HONDA MOTOR CO., INC.

RADIATOR CAP TEST

1. Remove the radiator cap (A), wet its seal with engine coolant, then install it on a commercially available pressure tester (B).

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2007 Acura RL

2005-08 ENGINE Cooling System - RL

Fig. 2: Testing Radiator Cap Courtesy of AMERICAN HONDA MOTOR CO., INC.

2. Apply a pressure of 93-123 kPa (0.95-1.25 kgf/cm

3. Check for a drop in pressure.

4. If the pressure drops, replace the cap.

, 14-18 psi).

RADIATOR TEST

1. Wait until the engine is cool, then carefully remove the radiator cap, and fill the radiator with engine coolant to the top of the filler neck.

2. Attach a commercially available pressure tester (A) to the radiator, and apply a pressure of 93-123

kPa (0.95-1.25 kgf/cm

, 14-18 psi).

Fig. 3: Testing Radiator For Engine Coolant Leaks Courtesy of AMERICAN HONDA MOTOR CO., INC.

3. Inspect for engine coolant leaks and a drop in pressure.

4. Remove the tester, then reinstall the radiator cap.

FAN MOTOR TEST

1. Disconnect the 2P connectors from the radiator fan motor (A) and condenser fan motor (B).

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2007 Acura RL

2005-08 ENGINE Cooling System - RL

Fig. 4: Identifying Radiator Fan Motor, Condenser Fan Motor And 2P Connectors Courtesy of AMERICAN HONDA MOTOR CO., INC.

2. Test each motor by connecting battery power to terminal No. 1 and ground to terminal No. 2.

3. If either motor fails to run or does not run smoothly, replace it (see RADIATOR AND FAN REPLACEMENT ).

THERMOSTAT TEST

Replace the thermostat if it is stuck open at room temperature.

To test a closed thermostat:

1. Suspend the thermostat (A) in a container of water. Do not let the thermometer (B) touch the bottom of the hot container.

Fig. 5: Checking Thermostat Operation

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2005-08 ENGINE Cooling System - RL

Courtesy of AMERICAN HONDA MOTOR CO., INC.

2. Heat the water and check the temperature with a thermometer. Check the temperature when the thermostat first opens, then check the temperature when the thermostat is fully open.

3. Measure the lift height of the thermostat when it is fully open.

Standard Thermostat:

Lift Height: Above 10.0 mm (0.39 in.)

Starts Opening: 169-176°F (76-80°C)

Fully Open: 194°F (90°C)

WATER PUMP INSPECTION

1. Remove the timing belt (see TIMING BELT REMOVAL ).

2. Turn the water pump counterclockwise, and make sure that it turns freely. If it doesn't, replace the water pump (see WATER PUMP REPLACEMENT

NOTE: When you check the water pump, you may see a small amount of

"weeping" from the bleed holes (A). This is normal.

Fig. 6: Turning Water Pump Counterclockwise And Checking It Turns Freely Courtesy of AMERICAN HONDA MOTOR CO., INC.

3. Install the timing belt (see TIMING BELT INSTALLATION

WATER PUMP REPLACEMENT

1. Drain the engine coolant (see COOLANT CHECK ).

2. Remove the timing belt (see TIMING BELT REMOVAL

3. Remove the timing belt adjuster (see TIMING BELT DRIVE PULLEY REPLACEMENT

4. Remove the water pump (A) by removing the five bolts.

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2005-08 ENGINE Cooling System - RL

Fig. 7: Identifying Water Pump With Torque Specifications Courtesy of AMERICAN HONDA MOTOR CO., INC.

5. Inspect and clean the O-ring groove and the mating surface of the engine block.

6. Install the water pump with a new O-ring (B) in the reverse order of removal.

7. Clean up any spilled engine coolant.

8. Install the timing belt adjuster (see TIMING BELT DRIVE PULLEY REPLACEMENT

9. Install the timing belt (see TIMING BELT INSTALLATION

10. Refill the radiator with engine coolant, then bleed the air from the cooling system (see step 8 ).

COOLANT CHECK

1. Look at the coolant level in the coolant reservoir. Make sure it is between the MAX mark (A) and MIN mark (B).

Fig. 8: Identifying Coolant Reservoir Coolant Level Marks Courtesy of AMERICAN HONDA MOTOR CO., INC.

2. If the coolant level in the coolant reservoir is at or below the MIN mark, add coolant to bring it

etween the MIN and MAX marks, then inspect the cooling system for leaks.

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2007 Acura RL

2005-08 ENGINE Cooling System - RL

COOLANT REPLACEMENT

1. Start the engine. Set the heater temperature control dial to maximum heat, then turn off the ignition switch. Make sure the engine and radiator are cool to the touch.

2. Remove the radiator cap.

3. Loosen the drain plug (A) and drain the coolant.

Fig. 9: Loosening Radiator Coolant Drain Plug Courtesy of AMERICAN HONDA MOTOR CO., INC.

4. Install a rubber hose (A) on the drain bolt (B) located at the rear of the cylinder block, then loosen the drain bolt.

Fig. 10: Draining Coolant At Rear Of Cylinder Block With Torque Specifications Courtesy of AMERICAN HONDA MOTOR CO., INC.

5. When the coolant stops draining, tighten the drain bolt. Remove the rubber hose.

6. Tighten the radiator drain plug securely.

7. Remove the coolant reservoir and drain the coolant, then reinstall the coolant reservoir.

8. Fill the coolant reservoir to the MAX mark (A) with Acura Long Life Antifreeze/Coolant Type 2 (P/N

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OL999-9011A).

2007 Acura RL

2005-08 ENGINE Cooling System - RL

Fig. 11: Identifying Coolant Reservoir Coolant Level Marks Courtesy of AMERICAN HONDA MOTOR CO., INC.

9. Pour Acura Long Life Antifreeze/Coolant Type 2 into the radiator up to the base of the filler neck.

NOTE:

Always use Acura Long Life Antifreeze/Coolant Type 2 (P/N OL999-9011A). Using a non-Acura coolant can result in corrosion, causing the cooling system to malfunction or fail.

Acura Long Life Antifreeze/Coolant Type 2 is a mixture of 50% antifreeze and 50% water. Do not add water.

Engine Coolant Capacities (Including the reserve tank capacity of 0.58 L (0.153 US gal)):

After Coolant Change: 6.0 L (1.59 US gal)

After Engine Overhaul: 8.6 L (2.27 US gal)

Fig. 12: Pouring Acura Long Life Antifreeze/Coolant Type 2 Into Radiator Courtesy of AMERICAN HONDA MOTOR CO., INC.

10. Install the radiator cap loosel

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2007 Acura RL

2005-08 ENGINE Cooling System - RL

11. Start the engine and let it run until it warms up (the radiator fan comes on at least twice).

12. Turn off the engine. Check the level in the radiator and add Acura Long Life Antifreeze/Coolant Type 2, if needed.

NOTE: Removing the radiator cap while the engine is hot can cause the

coolant to spray out. Always let the engine and radiator cool before removing the cap.

13. Put the radiator cap on tightly, then run the engine again and check for leaks.

14. Clean up any spilled engine coolant.

THERMOSTAT REPLACEMENT

1. Make sure you have the anti-theft codes for the audio system and navigation system. Make sure the ignition switch is OFF.

2. Disconnect the negative cable from the battery, then the positive cable. Remove the battery.

3. Drain the engine coolant (see COOLANT CHECK

4. Remove the ground cable and thermostat cover, then remove the thermostat.

Fig. 13: Identifying Thermostat Components And Ground Cable With Torque Specifications Courtesy of AMERICAN HONDA MOTOR CO., INC.

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2007 Acura RL

2005-08 ENGINE Cooling System - RL

5. Install the thermostat with a new rubber seal and with the pin on the top side.

6. Install the battery. Clean the battery posts and cable terminals then assemble them and apply grease to prevent corrosion.

7. Refill the radiator with engine coolant, then bleed air from the cooling system (see step 8 ).

8. Clean up any spilled engine coolant.

9. Do the steering column position memorization procedure (see STEERING COLUMN POSITION MEMORIZATION ).

10. Enter the anti-theft codes for the audio system and the navigation system.

WATER PASSAGE REPLACEMENT

1. Make sure you have the anti-theft codes for the audio system and navigation system. Make sure the ignition switch is OFF.

2. Disconnect the negative cable from the battery, then the positive cable. Remove the battery.

3. Drain the engine coolant (see COOLANT CHECK

4. Remove the air cleaner (see AIR CLEANER REMOVAL/INSTALLATION

5. Remove the two bolts securing the harness holder and the two bolts securing the vacuum line, then remove the harness clamp (see step 18 under CYLINDER HEAD REMOVAL

6. Disconnect the upper radiator hose, lower radiator hose, heater hoses, and water bypass hoses from the water passage. Remove the water passage.

Fig. 14: Identifying EGR Valve, ECT Sensors, Water Passage, Connecting Pipe And Gaskets With Torque Specifications Courtesy of AMERICAN HONDA MOTOR CO., INC.

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2007 Acura RL

2005-08 ENGINE Cooling System - RL

7. Install the water passage in the reverse order of removal.

8. Install the battery. Clean the battery posts and cable terminals, then assemble them and apply grease to prevent corrosion.

9. Refill the radiator with engine coolant, then bleed air from the cooling system (see step 8 ).

10. Clean up any spilled engine coolant.

11. Do the steering column position memorization procedure (see STEERING COLUMN POSITION MEMORIZATION ).

12. Enter the anti-theft codes for the audio system and the navigation system.

RADIATOR AND FAN REPLACEMENT

1. Drain the engine coolant (see COOLANT CHECK ).

2. Remove the right upper fender trim, battery trim, left upper fender trim, then remove the upper grille cover (see step 1 under RFC UNIT REPLACEMENT under ENGINE REMOVAL

). Remove the splash shield (see step 33

3. Remove the air cleaner (see AIR CLEANER REMOVAL/INSTALLATION

4. Remove the automatic transmission fluid (ATF) cooler hoses from the radiator (see ATF COOLER HOSE REPLACEMENT ). Remove the upper radiator hose and lower radiator hose from the radiator.

Fig. 15: Identifying Radiator And Fan Components With Torque Specification Courtesy of AMERICAN HONDA MOTOR CO., INC.

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2007 Acura RL

2005-08 ENGINE Cooling System - RL

5. Disconnect the RFC unit connectors. Remove the harness clamps and A/C compressor clutch connector.

6. Remove the upper bracket cushions, then pull up the radiator.

7. Disconnect the fan motor connectors, then remove the fan shroud assemblies and other parts from the radiator.

8. Install the radiator in the reverse order of removal. Make sure the upper and lower cushions are set securely.

9. Fill the radiator with en

ine coolant, then bleed air from the cooling system (see step 8 ).

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2007 Acura RL

2005-08 ACCESSORIES AND EQUIPMENT Cruise Control - RL

2005-08 ACCESSORIES AND EQUIPMENT

Cruise Control - RL

COMPONENT LOCATION INDEX

Fig. 1: Identifying Cruise Control Components Location Courtesy of AMERICAN HONDA MOTOR CO., INC.

SYMPTOM TROUBLESHOOTING INDEX

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2007 Acura RL

2005-08 ACCESSORIES AND EQUIPMENT Cruise Control - RL

SYMPTOM TROUBLESHOOTING INDEX

Symptom Diagnostic procedure Also check for

1. Check for PGM-FI and body DTCs.

2. Check the No. 13 (15A) fuse in the underhood fuse/relay box, and the No. 18 (15A) fuse in the driver's under-dash fuse/relay box.

Cruise control cannot be set

3. Do the cruise control input test (see

CRUISE CONTROL INPUT TEST

4. Do the cruise control combination switch test (see CRUISE CONTROL

COMBINATION SWITCH TEST/REPLACEMENT ).

1. Check for PGM-FI and body DTCs.

2. Do the gauge control module self-

Cruise control can be set, but the cruise main indicator does not come on

diagnostic function procedure (see SELF DIAGNOSTIC FUNCTION ).

3. Do the cruise control input test (see

CRUISE CONTROL INPUT TEST

Test the cruise control main switch signal input.

Faulty gauge control module

Vehicle does not decelerate or accelerate accordingly when the set/decel or resume/accel switch is pressed

Set speed does not cancel when the brake pedal is pressed

Set speed does not cancel when the cruise control main switch is pressed

1. Check for PGM-FI and body DTCs.

2. Do the cruise control input test (see

CRUISE CONTROL INPUT TEST

). Test the cruise control set/decel and resume/accel switch signal inputs.

3. Do the cruise control combination switch test (see CRUISE CONTROL

COMBINATION SWITCH TEST/REPLACEMENT ).

1. Check for PGM-FI and body DTCs.

2. Do the cruise control input test (see

CRUISE CONTROL INPUT TEST

). Test the brake pedal position switch signal input.

1. Check for PGM-FI and body DTCs.

2. Do the cruise control input test (see

CRUISE CONTROL INPUT TEST

). Test the cruise control master button signal input.

3. Do the cruise control combination switch test (see CRUISE CONTROL

COMBINATION SWITCH TEST/REPLACEMENT ).

Open circuit, loose or disconnected terminals: GRN/YEL, GRY, YEL/WHT, or LT GRN

Short to power in the BRN wire

Faulty brake pedal position switch

Short to ground in the BRN or PNK wire

1. Check for PGM-FI and body DTCs.

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2005-08 ACCESSORIES AND EQUIPMENT Cruise Control - RL

Set speed does not cancel when the cancel switch is pressed

Set speed will not resume when the resume/accel switch is pressed (with the cruise control main switch turned on, and set speed temporarily canceled by pressing the brake pedal)

With the ignition switch ON (II), and the lighting switch turned on, the cruise control combination switch illumination does not come on

2007 Acura RL

2. Do the cruise control input test (see

CRUISE CONTROL INPUT TEST

). Test the cruise control cancel switch signal input.

3. Do the cruise control combination switch test (see CRUISE CONTROL

COMBINATION SWITCH TEST/REPLACEMENT ).

1. Check for PGM-FI and body DTCs.

2. Check the brake pedal position switch adjustment (see BRAKE PEDAL AND

BRAKE PEDAL POSITION SWITCH ADJUSTMENT ).

3. Do the cruise control input test (see

CRUISE CONTROL INPUT TEST

). Test the cruise control resume/accel switch signal input. Test the brake pedal position switch signal input.

4. Do the cruise control combination switch test (see CRUISE CONTROL

COMBINATION SWITCH TEST/REPLACEMENT ).

Do the cruise control combination switch test (see CRUISE CONTROL COMBINATION SWITCH TEST/REPLACEMENT ).

Open circuit, loose or disconnected terminals: GRN/YEL, GRY, YEL/WHT, or LT GRN

Open circuit, loose or disconnected terminals: YEL/WHT or LT GRN

Faulty brake pedal position switch

CIRCUIT DIAGRAM

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2007 Acura RL

2005-08 ACCESSORIES AND EQUIPMENT Cruise Control - RL

Fig. 2: Cruise Control Circuit Diagram Courtesy of AMERICAN HONDA MOTOR CO., INC.

CRUISE CONTROL INPUT TEST

1. Connect the HDS to the data link connector (DLC) (see step 2 on page 11-3).

2. Turn the ignition switch ON (II).

3. Go to , and check for DTCs.

4. Do the following tests while monitoring parameters in the PGM-FI DATA LIST with the HDS.

NOTE: Intermittent failures are often caused by loose circuit connections.

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2005-08 ACCESSORIES AND EQUIPMENT Cruise Control - RL

While monitoring cruise control inputs, flex their circuits, and note if any of the test results change.

PROBLEM SYMPTOM CHART

Signal to be

tested

Brake switch signal

Test condition Parameter: Desired result

Brake pedal pressed, then released

2007 Acura RL

CRUISE BRAKE SW should indicate OFF when the brake pedal is pressed and ON when the brake pedal is released.

Possible cause if result is not

obtained

Faulty brake pedal position switch

Blown No. 18 (15A) fuse in the driver's under-dash fuse/relay box

An open in the wire between the powertrain control module (PCM) and the brake pedal position switch

Transmission range switch signal

Cruise control main switch signal

Shift lever in D or D3

Cruise control main switch ON and OFF

SHIFT/CLUTCH SW should indicate OFF in P, R, and N and ON in D and D3.

CRUISE CONTROL MAIN SW should indicate ON when the cruise control main switch is turned ON and OFF when the cruise control main switch is turned OFF.

A wire shorted to ground between the PCM and the brake pedal position switch

Faulty transmission range switch

An open in the wire between the PCM and the transmission range switch

A wire shorted to ground between the PCM and the transmission range switch

Poor ground G101 and G102

Faulty cruise control combination switch

An open in the wire between the gauge control module and the cruise control combination switch

A wire shorted to ground between the gauge control module and the cruise control combination switch

An open in the wire

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2007 Acura RL

2005-08 ACCESSORIES AND EQUIPMENT Cruise Control - RL

between the cruise control combination switch and ground

Faulty cruise control combination switch

An open in the wire between the gauge control module and the cruise control combination switch

A wire shorted to

Set switch signal

Set/decel switch pressed and released

CRUISE CONTROL SET SW should indicate ON when the set/decel switch is pressed and OFF when the set/decel switch is released.

ground between the gauge control module and the cruise control combination switch

Faulty cruise control combination switch

An open in the wire between the gauge control module and the cruise control combination switch

A wire shorted to

Resume switch signal

Resume/accel switch pressed and released

CRUISE CONTROL RESUME SW should indicate ON when the resume/accel switch is pressed and OFF when the resume/accel switch is released.

ground between the gauge control module and the cruise control combination switch

CRUISE CONTROL CANCEL SW should indicate ON when the cancel switch is pressed and OFF when the cancel switch is released.

Faulty cruise control combination switch

Cancel switch signal

Cancel switch pressed and released

CRUISE CONTROL COMBINATION SWITCH TEST/REPLACEMENT

There are SRS components located in this area. Review the SRS component locations (see COMPONENT LOCATION INDEX ), and the precautions and procedures (see PRECAUTIONS AND PROCEDURES ), in the SRS before doing repairs or service.

1. Remove the driver's airbag (see DRIVER'S AIRBAG REPLACEMENT

2. Disconnect the connectors, then remove the switch.

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2007 Acura RL

2005-08 ACCESSORIES AND EQUIPMENT Cruise Control - RL

Fig. 3: Identifying Cruise Control Combination Switch Connector And Terminals Courtesy of AMERICAN HONDA MOTOR CO., INC.

3. Check for continuity between the terminals in each switch position (see Fig. 4

If there is continuity, and it matches the table, but switch failure occurred on the cruise control input test, check and repair the wire harness on the switch circuit.

If there is no continuity in one or both positions, replace the switch.

Fig. 4: Checking For Continuity Between Terminals In Each Switch Position Courtesy of AMERICAN HONDA MOTOR CO., INC.

4. Check for continuity between the terminals (see Fig. 5

If there is continuity, and it matches the table, check and repair the wire harness on the switch circuit.

If there is no continuity in one or more positions, replace the switch.

Fig. 5: Checking for continuity between terminals

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2007 Acura RL

2005-08 ACCESSORIES AND EQUIPMENT Cruise Control - RL

Courtesy of AMERICAN HONDA MOTOR CO., INC.

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2007 Acura RL

2005-08 ACCESSORIES AND EQUIPMENT Rear Window Defogger - RL

2005-08 ACCESSORIES AND EQUIPMENT

Rear Window Defogger - RL

COMPONENT LOCATION INDEX

Fig. 1: Identifying Rear Window Defogger Component Location Courtesy of AMERICAN HONDA MOTOR CO., INC.

CIRCUIT DIAGRAM

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2007 Acura RL

2005-08 ACCESSORIES AND EQUIPMENT Rear Window Defogger - RL

Fig. 2: Rear Window Defogger - Circuit Diagram Courtesy of AMERICAN HONDA MOTOR CO., INC.

FUNCTION TEST

Before troubleshooting the rear window defogger circuit, perform multiplex integrated control system troubleshooting using B-CAN System Diagnosis Test Mode A (see TROUBLESHOOTING SYSTEM DIAGNOSIS TEST MODE A ).

NOTE:

Be careful not to scratch or damage the defogger wires with the tester probe.

- B-CAN

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2007 Acura RL

2005-08 ACCESSORIES AND EQUIPMENT Rear Window Defogger - RL

Before testing, check the No. 14 (40A) and No. 2 (30A) fuses in the under-hood fuse/relay box and the No. 7 (10A) and No. 30 (7.5A) fuses in the driver's under-dash fuse/relay box.

1. Check for voltage between the positive terminal (A) and body ground with the ignition switch and defogger switch ON.

There should be battery voltage.

If there is no voltage, check for:

Faulty rear window defogger relay.

Faulty antenna module.

Faulty climate control unit assembly.

Faulty noise condenser

An open in the BLU wire to the positive terminal.

If there is voltage, go to step 2.

Fig. 3: Checking Voltage Across Defogger Grid Courtesy of AMERICAN HONDA MOTOR CO., INC.

2. Disconnect the negative terminal (B) from the rear window defogger.

3. Check for continuity between the negative terminal and body ground.

If there is no continuity, check for an open in the wire or poor ground (G851). If there is continuity, go to step 4.

4. Reconnect the negative terminal to the rear window defogger.

5. Turn the ignition switch ON (II) and the rear window defogger switch ON.

6. Touch the voltmeter positive probe to the each points on each defogger wire, and the negative probe to the negative terminal.

If the voltage is as specified, the defogger wire up to that point is OK.

If the voltage is not as specified, repair the defogger wire.

DEFOGGER WIRE REPAIR

NOTE: To make an effective repair, the broken section must be no longer than 1

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2007 Acura RL

2005-08 ACCESSORIES AND EQUIPMENT Rear Window Defogger - RL

inch (25 mm).

1. Lightly rub the area around the broken section (A) with fine steel wool, then clean it with isopropyl alcohol.

Fig. 4: Identifying Broken Section Courtesy of AMERICAN HONDA MOTOR CO., INC.

2. Carefully mask above and below the broken portion of the defogger wire (B) with cellophane tape (C).

3. Using a small brush, apply a heavy coat of silver conductive paint (commercially available) extending about 1/8" on both sides of the break. Allow 25 minutes to dry.

Fig. 5: Applying Heavy Coat Of Silver Conductive Paint Across Break Courtesy of AMERICAN HONDA MOTOR CO., INC.

4. Perform the function test to confirm that the wire is repaired.

5. Appl

a second coat of paint in the same way. Let it dry 3 hours before removing the tape.

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SPECIAL TOOLS

2007 Acura RL

2005-08 DRIVELINE/AXLES Driveline/Axle - RL

2005-08 DRIVELINE/AXLES

Driveline/Axle - RL

Fig. 1: Identifying Special Tools Courtesy of AMERICAN HONDA MOTOR CO., INC.

COMPONENT LOCATION INDEX

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2007 Acura RL

2005-08 DRIVELINE/AXLES Driveline/Axle - RL

Fig. 2: Identifying Driveline/Axle Components Location Courtesy of AMERICAN HONDA MOTOR CO., INC.

DRIVESHAFT INSPECTION

1. Check the inboard boot (A) and the outboard boot (B) on the driveshaft (C) for cracks, damage, leaking grease, and loose boot bands (D). If any damage is found, replace the boot and boot bands.

Fig. 3: Identifying Driveshaft Components Location Courtesy of AMERICAN HONDA MOTOR CO., INC.

2. Turn the driveshaft by hand, and make sure the splines (E) and joint are not excessively loose.

3. Make sure the driveshaft is not twisted, bent, or cracked; if it is, replace it.

FRONT DRIVESHAFT REMOVAL

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2007 Acura RL

2005-08 DRIVELINE/AXLES Driveline/Axle - RL

1. Raise the vehicle on a lift (see LIFT AND SUPPORT POINTS ).

2. Remove the wheel nuts and front wheels.

Fig. 4: Identifying Locking Tab And Spindle Nut Courtesy of AMERICAN HONDA MOTOR CO., INC.

3. Lift up the locking tab (A) on the spindle nut (B), then remove the nut.

4. If you need to remove the left driveshaft, drain the automatic transmission fluid, then reinstall the drain plug using a new washer (see ATF REPLACEMENT

). It is not necessary to drain the

automatic transmission fluid when the right driveshaft is removed.

5. Hold the stabilizer ball joint pin (A) with a hex wrench (B), and remove the flange nut (C). Separate the front stabilizer link (D) from the lower arm.

Fig. 5: Identifying Stabilizer Ball Joint Pin, Hex Wrench, Flange Nut And Front Stabilizer Link Courtesy of AMERICAN HONDA MOTOR CO., INC.

6. Remove the self-locking nut (A), 12 mm flange bolt (B), and 10 mm pinch bolt (C), then remove the damper fork (D).

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2007 Acura RL

2005-08 DRIVELINE/AXLES Driveline/Axle - RL

Fig. 6: Identifying Self-Locking Nut, Flange Bolt, Pinch Bolt And Damper Fork Courtesy of AMERICAN HONDA MOTOR CO., INC.

7. Remove the knuckle holder bolt (A) and nut (B).

Fig. 7: Identifying Knuckle Holder Bolt And Nut Courtesy of AMERICAN HONDA MOTOR CO., INC.

8. Pull the knuckle outward, and remove the outboard joint from the front wheel hub using a plastic hammer.

Fig. 8: Removing Outboard Joint Using A Plastic Hammer After Pulling Knuckle Outward

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2005-08 DRIVELINE/AXLES Driveline/Axle - RL

Courtesy of AMERICAN HONDA MOTOR CO., INC.

9. Remove exhaust pipe A (see step 5 under TRANSFER ASSEMBLY REMOVAL EXHAUST PIPE AND MUFFLER REPLACEMENT

, also refer to

10. Left driveshaft: Pry the inboard joint (A) from the differential case with a prybar. Right driveshaft: Drive the inboard joint (B) off of the intermediate shaft with a drift and hammer. Remove the driveshaft as an assembly. Do not pull on the driveshaft (C), because the inboard joint may come apart. Pull the driveshaft straight out to avoid damaging the oil seal.

Left driveshaft

Fig. 9: Identifying Inboard Joint (Left Driveshaft) Courtesy of AMERICAN HONDA MOTOR CO., INC.

Right driveshaft

Fig. 10: Identifying Inboard Joint And Driveshaft (Right Driveshaft) Courtesy of AMERICAN HONDA MOTOR CO., INC.

FRONT DRIVESHAFT DISASSEMBLY

Special Tools Required

Threaded adapter, 26 x 1.5 mm 07XAC-001030A

Slide hammer, 5/8" x 18 UNF, commercially available

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Boot band pliers, Kent-Moore J-35910 or equivalent, commercially available

INBOARD JOINT SIDE

1. Remove the set ring from the inboard joint.

Fig. 11: Identifying Set Ring Of Inboard Joint Courtesy of AMERICAN HONDA MOTOR CO., INC.

2. Remove the boot bands. Be careful hot to damage the boot and dynamic damper.

If the boot band is a welded type (A), cut the boot band (B).

If the boot band is a double loop type (G), lift up the band end (D), then push it into the clip (E).

If the boot band is a low profile type (F), pinch the boot band using commercially available boot band pliers (G).

Welded type

Fig. 12: Removing Boot Bands (Welded Type) Courtesy of AMERICAN HONDA MOTOR CO., INC.

Double loop type

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Fig. 13: Removing Boot Bands (Double Loop Type) Courtesy of AMERICAN HONDA MOTOR CO., INC.

Low profile type

Fig. 14: Removing Boot Bands (Low Profile Type) Courtesy of AMERICAN HONDA MOTOR CO., INC.

3. Make a mark (A) on each roller (B) and inboard joint (C) to identify the locations of rollers and grooves in the inboard joint. Then remove the inboard joint on the shop towel (D). Be careful not to drop the rollers when separating them from the inboard joint.

Fig. 15: Identifying Roller, Inboard Joint And Shop Towel Courtesy of AMERICAN HONDA MOTOR CO., INC.

4. Make a mark (A) on the rollers (B) and spider (C) to identify the locations of the rollers on the spider, then remove the rollers.

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Fig. 16: Identifying Rollers And Spider Courtesy of AMERICAN HONDA MOTOR CO., INC.

5. Remove the circlip (D).

6. Mark the spider and driveshaft (E) to identify the position of the spider on the shaft.

7. Remove the spider.

8. Wrap the splines on the driveshaft with vinyl tape (A) to prevent damage to the boot.

Fig. 17: Identifying Driveshaft With Vinyl Tape Courtesy of AMERICAN HONDA MOTOR CO., INC.

9. Remove the inboard boot. Be careful not to damage the boot.

10. Remove the vinyl tape.

OUTBOARD JOINT SIDE

1. Remove the boot bands. Be careful not to damage the boot and dynamic damper.

If the boot band is an ear clamp type (A), lift up the three tabs (B) with a screwdriver.

Ear clamp type

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Fig. 18: Removing Boot Bands (Ear Clamp Type) Courtesy of AMERICAN HONDA MOTOR CO., INC.

2. Slide the outboard boot (A) partially to the inboard joint side. Be careful not to damage the boot.

Fig. 19: Sliding Off Outboard Boot Courtesy of AMERICAN HONDA MOTOR CO., INC.

3. Wipe off the grease to expose the driveshaft and the outboard joint inner race.

4. Make a mark (A) on the driveshaft (B) at the same position of the outboard joint end (C).

Fig. 20: Making Match Mark On Driveshaft And Outboard Joint End Courtesy of AMERICAN HONDA MOTOR CO., INC.

5. Carefully clamp the driveshaft in a vise.

6. Remove the outboard joint (A) using the threaded adapter and a commercially available 5/8" x 18 UNF slide hammer (B).

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Fig. 21: Removing Outboard Joint Courtesy of AMERICAN HONDA MOTOR CO., INC.

7. Remove the driveshaft from the vise.

8. Remove the stop ring from the driveshaft.

Fig. 22: Identifying Stop Ring Of Driveshaft Courtesy of AMERICAN HONDA MOTOR CO., INC.

9. Wrap the splines on the driveshaft with vinyl tape (A) to prevent damage to the boot.

Fig. 23: Identifying Driveshaft Wrapped With Vinyl Tape Courtesy of AMERICAN HONDA MOTOR CO., INC.

10. Remove the outboard boot. Be careful not to damage the boot.

11. Remove the vinyl tape.

DYNAMIC DAMPER REPLACEMENT

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Special Tools Required

Bearing separator 07KAF-PS30200

1. Remove the inboard joint and outboard joint.

2. Mark the following position on the driveshaft (A).

Left driveshaft: 323.5-327.5 mm (12.74-12.88 in.)

Right driveshaft: 305.5-309.5 mm (12.03-12.18 in.)

Fig. 24: Identifying Driveshaft Dimension Courtesy of AMERICAN HONDA MOTOR CO., INC.

3. Remove the dynamic damper (A) using the bearing separator and a press as shown.

Fig. 25: Removing Dynamic Damper Courtesy of AMERICAN HONDA MOTOR CO., INC.

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4. Install the dynamic damper (A) to the marked position using the bearing separator and a press as shown.

Fig. 26: Installing Dynamic Damper Courtesy of AMERICAN HONDA MOTOR CO., INC.

5. Install the inboard joint and outboard joint (see FRONT DRIVESHAFT REASSEMBLY

FRONT DRIVESHAFT REASSEMBLY

EXPLODED VIEW

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Fig. 27: Exploded View Of Front Driveshaft With Grease Application Areas Courtesy of AMERICAN HONDA MOTOR CO., INC.

Special Tools Required

Boot band tool, KD-3191 or equivalent, commercially available

Boot band pincers, Kent-Moore J-35910 or equivalent, commercially available

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NOTE: Refer to the EXPLODED VIEW

as needed during this procedure.

INBOARD JOINT SIDE

1. Wrap the splines with vinyl tape (A) to prevent damage to the inboard boot.

Fig. 28: Wrapping Driveshaft Splines With Vinyl Tape Courtesy of AMERICAN HONDA MOTOR CO., INC.

2. Install the inboard boot onto the driveshaft, then remove the vinyl tape. Be careful not to damage the inboard boot.

3. Install the spider (A) onto the driveshaft by aligning the marks (B) on the spider and the end of the driveshaft.

Fig. 29: Aligning Match Marks On The Spider And Driveshaft Courtesy of AMERICAN HONDA MOTOR CO., INC.

4. Install the circlip (C) into the driveshaft groove. Rotate the circlip in its groove to make sure it is fully seated.

5. Fit the rollers (A) onto the spider (B) with their high shoulders facing outward, and note these items:

Reinstall the rollers in their original positions on the spider by aligning the marks (C).

Hold the driveshaft pointed up to prevent the rollers from falling off.

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Fig. 30: Identifying Match Marks On Rollers And Spider Courtesy of AMERICAN HONDA MOTOR CO., INC.

6. Pack the inboard joint with the joint grease included in the new driveshaft set.

Grease quantity

Inboard joint: 150-160 g (5.3-5.6 oz.)

Fig. 31: Filling Inboard Joint With Grease Courtesy of AMERICAN HONDA MOTOR CO., INC.

7. Fit the inboard joint onto the driveshaft, and note these items:

Reinstall the inboard joint onto the driveshaft by aligning the marks (A) on the inboard joint an the rollers.

Hold the driveshaft so the inboard joint is pointing up to prevent it from falling off.

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Fig. 32: Aligning Marks On Inboard Joint Courtesy of AMERICAN HONDA MOTOR CO., INC.

8. Adjust the inboard joint so the rollers about in the middle of the joint, bleed the excess air from the boot, then adjust the driveshaft length to these measurements.

Right driveshaft: 532-537 mm (20.94-21.14 in.)

Fig. 33: Identifying Driveshaft Dimension (Right Driveshaft) Courtesy of AMERICAN HONDA MOTOR CO., INC.

Left driveshaft: 549-554 mm (21.61-21.81 in.)

Fig. 34: Identifying Driveshaft Dimension (Left Driveshaft) Courtesy of AMERICAN HONDA MOTOR CO., INC.

9. Fit the boot ends onto the driveshaft and the inboard joint, then install the new double loop band (A) onto the boot.

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Fig. 35: Installing Double Loop Band Onto Boot Courtesy of AMERICAN HONDA MOTOR CO., INC.

10. Pull up the slack in the band by hand.

11. Mark a position (A) on the band 10-14 mm (0.4-0.6 in.) from the clip (B).

Fig. 36: Identifying Mark Position On Band Courtesy of AMERICAN HONDA MOTOR CO., INC.

12. Thread the free end of the band through the nose section of a commercially available boot band tool, KD-3191 or equivalent (A), and into the slot on the windin

mandrel (B).

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Fig. 37: Tightening Band Marked Spot Courtesy of AMERICAN HONDA MOTOR CO., INC.

13. Using a wrench on the winding mandrel of the boot band tool, tighten the band until the marked spot (C) on the band meets the edge of the clip.

14. Lift up the boot band tool to bend the free end of the band 90 degrees to the clip. Center-punch the clip, then fold over the remaining tail onto the clip.

Fig. 38: Lifting Boot Band Courtesy of AMERICAN HONDA MOTOR CO., INC.

15. Unwind the boot band tool, and cut off the excess free end of the band to leave a 5-10 mm (0.2-0.4 in.) tail protruding from the clip.

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Fig. 39: Identifying Boot Band Gap Courtesy of AMERICAN HONDA MOTOR CO., INC.

16. Bend the band end (A) by tapping it down with a hammer.

NOTE:

Make sure the band and clip do not interfere with anything on the vehicle and the band does not move.

Remove any grease remaining on the surrounding surfaces.

Fig. 40: Tapping Boot Bend Courtesy of AMERICAN HONDA MOTOR CO., INC.

17. Repeat steps 9 through 16 for the band on the other end of the boot, then go to step 18.

18. Install the new set ring.

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Fig. 41: Identifying Set Ring Courtesy of AMERICAN HONDA MOTOR CO., INC.

OUTBOARD JOINT SIDE

1. Wrap the splines with vinyl tape (A) to prevent damage to the outboard boot.

Fig. 42: Wrapping Drieshaft Splines With Vinyl Tape Courtesy of AMERICAN HONDA MOTOR CO., INC.

2. Install the new ear clamp bands (B) and outboard boot, then remove the vinyl tape. Be careful not to damage the outboard boot.

3. Install the new stop ring in the driveshaft groove (A).

Fig. 43: Identifying Stop Ring In Driveshaft Groove Courtesy of AMERICAN HONDA MOTOR CO., INC.

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4. Pack about half of the grease included in the new joint boot set into the driveshaft hole in the outboard joint. Insert the driveshaft (A) into the outboard joint (B) until the stop ring (C) is close to the joint.

Fig. 44: Inserting Driveshaft Into Outboard Joint Courtesy of AMERICAN HONDA MOTOR CO., INC.

5. To completely seat the outboard joint, pick up the driveshaft and joint, and tap or hit them from a height of about 10 cm (4 in.) onto a hard surface. Do not use a hammer as excessive force may damage the driveshaft. Be careful not to damage the threaded section (A) of the outboard joint.

Fig. 45: Seating Outboard Joint To Driveshaft (Do Not Use Excessive Force) Courtesy of AMERICAN HONDA MOTOR CO., INC.

6. Check the ali

nment of the paint mark (A) with the outboard joint end (B).

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Fig. 46: Checking Alignment Of Paint Mark With Outboard Joint End Courtesy of AMERICAN HONDA MOTOR CO., INC.

7. Pack the outboard joint (A) with the remaining joint grease included in the new joint boot set.

Grease quantity (total)

Outboard joint: 140-150 g (4.9-5.3 oz.)

Fig. 47: Packing Outboard Joint With Remaining Joint Grease Courtesy of AMERICAN HONDA MOTOR CO., INC.

8. Adjust the length of the driveshafts to these measurements, then adjust the boots to halfway between full compression and full extension. Make sure the ends of the boots seat in the groove of the driveshaft and joint.

Right driveshaft: 532-537 mm (20.94-21.14 in.)

Fig. 48: Identifying Right Driveshaft Dimension Courtesy of AMERICAN HONDA MOTOR CO., INC.

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Left driveshaft: 549-554 mm (21.61-21.81 in.)

2007 Acura RL

Fig. 49: Identifying Left Driveshaft Dimension Courtesy of AMERICAN HONDA MOTOR CO., INC.

9. Fit the boot (A) ends onto the driveshaft (B) and outboard joint (C).

Fig. 50: Identifying Boot Ends, Driveshaft And Outboard Joint Courtesy of AMERICAN HONDA MOTOR CO., INC.

10. Close the ear portion (A) of the band with commercially available boot band pincers Kent-Moore J35910 or equivalent (B).

Fig. 51: Identifying Ear Portion Of Band Courtesy of AMERICAN HONDA MOTOR CO., INC.

11. Check the clearance between the closed ear portion of the band. If the clearance is not within the standard, close the ear portion of the band ti

hter.

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Fig. 52: Checking Clearance Between Closed Ear Portion Of Band Courtesy of AMERICAN HONDA MOTOR CO., INC.

12. Repeat steps 10 and 11 for the band on the other end of the boot.

FRONT DRIVESHAFT INSTALLATION

1. Apply grease to the contact area (A) of the outboard joint and front wheel bearing.

NOTE: The grease helps prevent excessive noise or vibration.

Fig. 53: Identifying Front Driveshaft Contact Area Courtesy of AMERICAN HONDA MOTOR CO., INC.

2. Install a new set rin

in the set ring groove of the driveshaft (left driveshaft).

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Fig. 54: Identifying Set Ring Groove Of Driveshaft (Left Driveshaft) Courtesy of AMERICAN HONDA MOTOR CO., INC.

3. Apply 0.5-1.0 g (0.02-0.04 oz.) of grease to the whole splined surface (A) of the right driveshaft. After applying grease, remove the grease from the splined grooves at intervals of 2-3 splines and from the set ring groove (B) so that air can bleed from the intermediate shaft.

Fig. 55: Identifying Whole Splined Surface And Ring Groove Courtesy of AMERICAN HONDA MOTOR CO., INC.

4. Clean the areas where the driveshaft contacts the differential thoroughly with brake cleaner, and dry with compressed air. Do not wash the rubber parts with solvent. Insert the inboard end (A) of the driveshaft into the differential (B) or intermediate shaft (C) until the set ring (D) locks in the groove (E).

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Fig. 56: Inserting Inboard End Of Driveshaft Into Differential Courtesy of AMERICAN HONDA MOTOR CO., INC.

5. Install the outboard joint (A) into the front hub (B).

Fig. 57: Installing Outboard Joint Into Front Hub Courtesy of AMERICAN HONDA MOTOR CO., INC.

6. Install exhaust pipe A (see step 5 under TRANSFER ASSEMBLY INSTALLATION EXHAUST PIPE AND MUFFLER REPLACEMENT

, also refer to

7. Install the knuckle holder to the knuckle, and then tighten the knuckle holder bolt (A) and new nut (B).

Fig. 58: Identifying Knuckle Holder Bolt And Nut With Torque Specifications Courtesy of AMERICAN HONDA MOTOR CO., INC.

8. Install the damper fork (A) over the driveshaft and onto the lower arm. Install the damper in the damper fork so the aligning tab (B) is aligned with the slot in the damper fork. Loosely install the pinch bolt (C).

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Fig. 59: Identifying Damper Fork, Aligning Tab And Pinch Bolt With Torque Specifications Courtesy of AMERICAN HONDA MOTOR CO., INC.

9. Loosely install the flange bolt (D) and a new self-locking nut (E).

10. Connect the front stabilizer link (A) to the lower arm. Hold the stabilizer link ball joint pin (B) with a hex wrench (C), and tighten the new flange nut (D).

Fig. 60: Identifying Front Stabilizer Link, Stabilizer Link Ball Joint Pin And Flange Nut With Torque Specifications Courtesy of AMERICAN HONDA MOTOR CO., INC.

11. Install a new spindle nut (A), then tighten the nut. After tightening, use a drift to stake the spindle nut shoulder (B) a

ainst the driveshaft.

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Fig. 61: Identifying Spindle Nut And Wheel Nut With Torque Specifications Courtesy of AMERICAN HONDA MOTOR CO., INC.

12. Clean the mating surfaces of the brake disc and the front wheel, then install the front wheel with the wheel nuts.

13. Turn the front wheel by hand, and make sure there is no interference between the driveshaft and surrounding parts.

14. Tighten the flange bolt and the self-locking nut with the vehicle's weight on the damper.

15. Refill the transmission with recommended automatic transmission fluid (see ATF REPLACEMENT ).

16. Check the front wheel alignment, and adjust it if necessary (see WHEEL ALIGNMENT

INTERMEDIATE SHAFT REMOVAL

1. Drain the automatic transmission fluid, then reinstall the drain plug using a new washer (see ATF REPLACEMENT ).

2. Remove the right driveshaft (see DRIVESHAFT INSPECTION

3. Remove the exhaust pipe bracket.

Fig. 62: Identifying Exhaust Pipe Bracket Courtesy of AMERICAN HONDA MOTOR CO., INC.

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4. Remove the flange bolt (A) and the two dowel bolts (B).

Fig. 63: Identifying Flange Bolt And Dowel Bolts Courtesy of AMERICAN HONDA MOTOR CO., INC.

5. Remove the intermediate shaft (A) from the differential. Hold the intermediate shaft horizontal until it is clear of the differential to prevent damage to the differential oil seal (B).

Fig. 64: Identifying Intermediate Shaft And Differential Oil Seal Courtesy of AMERICAN HONDA MOTOR CO., INC.

INTERMEDIATE SHAFT DISASSEMBLY

Special Tools Required

Driver 07749-0010000

Support base attachment 07LAF-SM40300

Support base 07965-SD90100

Attachment, 42 x 47 mm 07746-0010300

1. Remove the heat shield.

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Fig. 65: Identifying Heat Shield Courtesy of AMERICAN HONDA MOTOR CO., INC.

2. Remove the intermediate shaft outer seal (A) from the bearing support (B).

Fig. 66: Identifying Intermediate Shaft Outer Seal And Bearing Support Courtesy of AMERICAN HONDA MOTOR CO., INC.

3. Remove the set ring (C) and external snap ring (D).

4. Press the intermediate shaft (A) out of the intermediate shaft bearing (B) using the support base attachment, support base and a press. Be careful not to damage the metal rings (C) on the intermediate shaft during disassembly.

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Fig. 67: Pressing Intermediate Shaft Of Intermediate Shaft Bearing Courtesy of AMERICAN HONDA MOTOR CO., INC.

5. Remove the internal snap ring.

Fig. 68: Identifying Internal Snap Ring Courtesy of AMERICAN HONDA MOTOR CO., INC.

6. Press the intermediate shaft bearing (A) out of the bearing support (B) using the driver, attachment, 42 x 47 mm, support base attachment, support base and a press.

Fig. 69: Pressing Intermediate Shaft Bearing Of Bearing Support Courtesy of AMERICAN HONDA MOTOR CO., INC.

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INTERMEDIATE SHAFT REASSEMBLY

EXPLODED VIEW

Fig. 70: Exploded View Of Intermediate Shaft With Torque Specifications Courtesy of AMERICAN HONDA MOTOR CO., INC.

Special Tools Required

Driver 07749-0010000

Support base attachment 07LAF-SM40300

Support base 07965-SD90100

Oil seal driver attachment 07JAD-PH80101

Fork seal driver, 39.2 x 49.5 x 15 mm 07947-4630100

NOTE: Refer to the EXPLODED VIEW as needed during this procedure.

1. Clean the disassembled parts with solvent, and dry them with compressed air. Do not wash the rubber parts with solvent.

2. Press the intermediate shaft bearing (A) into the bearing support (B) using the driver, oil seal driver attachment and a press.

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Fig. 71: Pressing Intermediate Shaft Bearing Courtesy of AMERICAN HONDA MOTOR CO., INC.

3. Install, then seat the internal snap ring in the groove of the bearing support.

Fig. 72: Installing Seat Internal Snap Ring Courtesy of AMERICAN HONDA MOTOR CO., INC.

4. Press the intermediate shaft (A) into the shaft bearing (B) using the fork seal driver, 39.2 x 49.5 x 15 mm and a press.

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Fig. 73: Pressing Intermediate Shaft Into Shaft Bearing Courtesy of AMERICAN HONDA MOTOR CO., INC.

5. Install, then seat the external snap ring (A) in the groove of the intermediate shaft (B).

Fig. 74: Identifying External Snap Ring And Intermediate Shaft Courtesy of AMERICAN HONDA MOTOR CO., INC.

6. Install the outer seal (A) into the bearing support (B) using the fork seal driver, 39.2x49.5 x 15 mm, support base attachment, support base and a press.

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Fig. 75: Installing Outer Seal Courtesy of AMERICAN HONDA MOTOR CO., INC.

7. Install the set ring.

Fig. 76: Identifying Set Ring Courtesy of AMERICAN HONDA MOTOR CO., INC.

8. Install the heat shield onto the bearing support.

Fig. 77: Identifying Heat Shield Onto Bearing Support With Torque Specifications Courtesy of AMERICAN HONDA MOTOR CO., INC.

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INTERMEDIATE SHAFT INSTALLATION

1. Use brake cleaner to thoroughly clean the areas where the intermediate shaft (A) contacts the transmission (differential), and dry with compressed air. Do not wash the rubber parts in solvent. Insert the intermediate shaft assembly into the differential. Hold the intermediate shaft horizontally to prevent damage to the differential oil seal (B).

Fig. 78: Identifying Intermediate Shaft And Differential Oil Seal Courtesy of AMERICAN HONDA MOTOR CO., INC.

2. Install the flange bolt (A) and two dowel bolts (B).

Fig. 79: Identifying Flange Bolt And Dowel BoltsWith Torque Specifications Courtesy of AMERICAN HONDA MOTOR CO., INC.

3. Install the exhaust pipe bracket.

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Fig. 80: Identifying Exhaust Pipe Bracket With Torque Specifications Courtesy of AMERICAN HONDA MOTOR CO., INC.

4. Install the right driveshaft (see FRONT DRIVESHAFT INSTALLATION

5. Refill the automatic transmission fluid (see ATF REPLACEMENT

REAR DRIVESHAFT REMOVAL

1. Raise the vehicle on a lift (see LIFT AND SUPPORT POINTS ).

2. Remove the wheel nuts and rear wheels.

Fig. 81: Identifying Wheel Nuts And Spindle Nut Courtesy of AMERICAN HONDA MOTOR CO., INC.

3. Lift up the locking tab (A) on the spindle nut (B), then remove the nut.

4. Remove the rear differential, and disconnect the inboard joint from the differential (see REAR DIFFERENTIAL REMOVAL ).

5. Remove the rear driveshaft outboard joint from the trailing arm and rear hub using a plastic hammer or a puller if necessar

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Fig. 82: Removing Rear Driveshaft Outboard Joint From The Trailing Arm And Rear Hub Courtesy of AMERICAN HONDA MOTOR CO., INC.

6. Remove the rear driveshaft (A).

NOTE:

Be careful not to damage the wheel sensor (B). Pull on the outer joint. Do not pull on the driveshaft because the

joint may come apart.

Fig. 83: Identifying Rear Driveshaft And Wheel Sensor Courtesy of AMERICAN HONDA MOTOR CO., INC.

REAR DRIVESHAFT DISASSEMBLY

Special Tools Required

Threaded adapter, 24 x 1.5 mm 07XAC-001020A

Slide hammer, 5/8" x 18 UNF, commercially available

INBOARD JOINT SIDE

1. Remove the boot bands. Be careful not to damage the boot.

If the boot band is a locking tab type (A), pry up the locking tab (B) with a screwdriver, and lift up the end of the band.

If the boot band is a double loop type (C), lift up the band end (D), and push it into the clip (E).

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Fig. 84: Identifying Inboard Joint Side (Locking Tab Type) Courtesy of AMERICAN HONDA MOTOR CO., INC.

Double loop type

Fig. 85: Identifying Inboard Joint Side (Double Loop Type) Courtesy of AMERICAN HONDA MOTOR CO., INC.

2. Remove the circlip (A).

Fig. 86: Making Match Mark On Bearing Retainer And Inboard Joint Courtesy of AMERICAN HONDA MOTOR CO., INC.

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3. Make a mark (B) on the bearing retainer (C) and inboard joint (D) to identify the locations of ball bearings and grooves in the inboard joint. Then remove the inboard joint on the shop towel (E). Be careful not to drop the ball bearings when separating them from the inboard joint.

4. Remove the snap ring (A).

Fig. 87: Making Match Mark On Bearing Retainer, Bearing Race And Driveshaft Courtesy of AMERICAN HONDA MOTOR CO., INC.

5. Make a mark (B) on the bearing retainer (C), the bearing race (D), and driveshaft (E) to identify the position of the bearing retainer and the bearing race on the shaft.

6. Remove the bearing race and the steel ball bearings (F).

7. Wrap the splines on the driveshaft (A) with vinyl tape (B) to prevent damage to the boot.

Double loop type

Fig. 88: Wrapping Splines On Driveshaft With Vinyl Tape (Double Loop Type) Courtesy of AMERICAN HONDA MOTOR CO., INC.

Locking tab type

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Fig. 89: Wrapping Splines On Driveshaft With Vinyl Tape (Locking Tab Type) Courtesy of AMERICAN HONDA MOTOR CO., INC.

8. Remove the inboard boot (C) and locking tab type boot band (D). Be careful not to damage the boot.

9. Remove the vinyl tape.

OUTBOARD JOINT SIDE

1. Remove the boot bands. Be careful not to damage the boot.

If the boot band is a low profile type (A), pinch the boot band using commercially available boot band pliers (B).

If the boot band is an ear clamp type (C), lift up the three tabs (D) with a screwdriver.

Low profile type

Fig. 90: Removing Boot Band (Low Profile Type) Courtesy of AMERICAN HONDA MOTOR CO., INC.

Ear clamp type

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Fig. 91: Removing Boot Band (Ear Clamp Type) Courtesy of AMERICAN HONDA MOTOR CO., INC.

2. Slide the outboard boot (A) partially to the inboard joint side. Be careful not to damage the boot.

Fig. 92: Sliding Off Outboard Boot Courtesy of AMERICAN HONDA MOTOR CO., INC.

3. Wipe off the grease to expose the driveshaft and the outboard joint inner race.

4. Make a mark (A) on the driveshaft (B) at the same position of the outboard joint end (C).

Fig. 93: Making Match Mark On Driveshaft And On Outboard Joint End Courtesy of AMERICAN HONDA MOTOR CO., INC.

5. Carefully clamp the driveshaft in a vise.

6. Remove the outboard joint (A) using the threaded adapter, 24 x 1.5 mm and a commercially available 5/8" x 18 UNF slide hammer (B).

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Fig. 94: Removing Outboard Joint Courtesy of AMERICAN HONDA MOTOR CO., INC.

7. Remove the driveshaft from the vise.

8. Remove the stop ring from the driveshaft.

Fig. 95: Identifying Stop Ring Of Driveshaft Courtesy of AMERICAN HONDA MOTOR CO., INC.

9. Wrap the splines on the driveshaft with vinyl tape (A) to prevent damage to the boot.

Fig. 96: Wrapping Splines On Driveshaft With Vinyl Tape Courtesy of AMERICAN HONDA MOTOR CO., INC.

10. Remove the outboard boot. Be careful not to damage the boot.

11. Remove the vinyl tape.

REAR DRIVESHAFT REASSEMBLY

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EXPLODED VIEW

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2005-08 DRIVELINE/AXLES Driveline/Axle - RL

Fig. 97: Exploded View Of Rear Driveshaft With Grease Application Areas Courtesy of AMERICAN HONDA MOTOR CO., INC.

Special Tools Required

Boot band tool, KD-3191 or equivalent, commercially available

NOTE: Refer to the EXPLODED VIEW as needed during this procedure.

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INBOARD JOINT SIDE

1. Wrap the splines with vinyl tape (A) to prevent damage to the inboard boot.

Double loop type

Fig. 98: Wrapping Splines On Driveshaft With Vinyl Tape (Double Loop Type) Courtesy of AMERICAN HONDA MOTOR CO., INC.

Locking tab type

Fig. 99: Wrapping Splines On Driveshaft With Vinyl Tape (Locking Tab Type) Courtesy of AMERICAN HONDA MOTOR CO., INC.

2. Install the inboard boot and boot band (B) on the driveshaft, then remove the vinyl tape. Be careful not to damage the inboard boot.

3. Install the steel balls (A) and the bearing retainer (B) onto the bearing race (C) by aligning the marks (D) on the bearin

retainer and the bearing race.

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Fig. 100: Identifying Steel Balls, Bearing Retainer And Bearing Race Courtesy of AMERICAN HONDA MOTOR CO., INC.

4. Install the bearing onto the driveshaft (E) by aligning the marks on the bearing and the driveshaft.

5. Install the snap ring (F).

6. Pack the inboard joint with the joint grease included in the new driveshaft set.

Grease quantity

Inboard joint: 100-120 g (3.5-4.2 oz.)

Fig. 101: Packing Inboard Joint With Joint Grease Courtesy of AMERICAN HONDA MOTOR CO., INC.

7. Install the inboard joint onto the driveshaft by aligning the marks (A) on the inboard joint and driveshaft.

Fig. 102: Aligning Match Marks On Inboard Joint And Driveshaft Courtesy of AMERICAN HONDA MOTOR CO., INC.

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8. Install the circlip (B).

9. Adjust the length of the driveshafts to these measurements, bleed excess air from the boot, then adjust the boots to halfway between full compression and full extension. Make sure the ends of the boots seat in the grooves of the driveshaft and joint.

Left driveshaft: 480-485 mm (18.9-19.1 in.)

Right driveshaft: 515-520 mm (20.3-20.5 in.)

Fig. 103: Identifying Driveshaft Dimension Courtesy of AMERICAN HONDA MOTOR CO., INC.

10. Install the boot bands.

Double loop type, do steps 11 through 19.

Locking tab type, do steps 20 and 21.

11. Fit the boot ends onto the driveshaft and the inboard joint, then install the new double loop band (A) onto the boot.

Fig. 104: Installing Double Loop Band Onto Boot Courtesy of AMERICAN HONDA MOTOR CO., INC.

12. Pull up the slack in the band by hand.

13. Mark a position (A) on the band 10-14 mm (0.4-0.6 in.) from the clip (B).

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Fig. 105: Identifying Mark Position On Band Courtesy of AMERICAN HONDA MOTOR CO., INC.

14. Thread the free end of the band through the nose section of the commercially available boot band tool, KD-3191 or equivalent (A), and into the slot on the winding mandrel (B).

Fig. 106: Identifying Marked Spot On Band Courtesy of AMERICAN HONDA MOTOR CO., INC.

15. Using a wrench on the winding mandrel of the boot band tool, tighten the band until the marked spot (C) on the band meets the edge of the clip.

16. Lift up the boot band tool to bend the free end of the band 90 degrees to the clip. Center-punch the clip, then fold over the remainin

tail onto the clip.

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Fig. 107: Center-Punching Clip On Band Courtesy of AMERICAN HONDA MOTOR CO., INC.

17. Unwind the boot band tool, and cut off the excess free end of the band to leave 5-10 mm (0.2-0.4 in.) from the clip.

Fig. 108: Cutting Off The Excess Free End Of Band Courtesy of AMERICAN HONDA MOTOR CO., INC.

18. Bend the band end (A) by tapping it down with a hammer.

Fig. 109: Tapping Band End Down Courtesy of AMERICAN HONDA MOTOR CO., INC.

NOTE:

Make sure the band and clip do not interfere with anything, and the band does not move.

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Remove any grease remaining on the surrounding surfaces.

19. Install the boot band on the other end of the boot, and repeat steps 11 through 18.

20. Install a new locking tab type boot band on the inboard joint side of the inboard boot. Fold down the locking tabs.

Fig. 110: Installing Locking Tab Type Boot Band Courtesy of AMERICAN HONDA MOTOR CO., INC.

21. Lightly tap on the doubled-over portions to flatten them.

OUTBOARD JOINT SIDE

1. Wrap the splines with vinyl tape (A) to prevent damage to the outboard boot.

Fig. 111: Identifying Driveshaft Splines Wrapped With Vinyl Tape Courtesy of AMERICAN HONDA MOTOR CO., INC.

2. Install a new ear clamp band (B) and the outboard boot, then remove the vinyl tape. Be careful not to damage the outboard boot.

3. Install a new stop rin

in the driveshaft groove (A).

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Fig. 112: Identifying Stop Ring In Driveshaft Groove Courtesy of AMERICAN HONDA MOTOR CO., INC.

4. Pack about half of the grease included in the new joint boot set into the driveshaft hole in outboard joint. Insert the driveshaft (A) into the outboard joint (B) until the stop ring (C) is closed.

Fig. 113: Inserting Driveshaft Into Outboard Joint Courtesy of AMERICAN HONDA MOTOR CO., INC.

5. To completely seat the outboard joint, pick up the driveshaft and joint, and tap them on a hard surface. Do not use a hammer as excessive force may damage the driveshaft. Be careful not to damage the threaded section (A) of the outboard joint.

Fig. 114: Seating Outboard Joint To Driveshaft (Do Not Use Excessive Force) Courtesy of AMERICAN HONDA MOTOR CO., INC.

6. Check the ali

nment of the paint mark (A) with the outboard joint end (B).

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Fig. 115: Checking Alignment Of Paint Mark With Outboard Joint End Courtesy of AMERICAN HONDA MOTOR CO., INC.

7. Pack the outboard joint (A) with the remaining joint grease included in the new joint boot set.

Grease quantity (total)

Outboard joint: 105-125 g (3.7-4.4 oz.)

Fig. 116: Packing Outboard Joint With Remaining Joint Grease Courtesy of AMERICAN HONDA MOTOR CO., INC.

Left driveshaft: 480-485 mm (18.90-19.09 in.)

Right driveshaft: 515-520 mm (20.28-20.47 in.)

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Fig. 117: Identifying Driveshaft Length Courtesy of AMERICAN HONDA MOTOR CO., INC.

9. Fit the boot (A) ends onto the driveshaft (B) and outboard joint (C).

Fig. 118: Identifying Driveshaft And Outboard Joint Courtesy of AMERICAN HONDA MOTOR CO., INC.

10. Close the ear portion (A) of the band with commercially available boot band pincers Kent-Moore J35910 or equivalent (B).

Fig. 119: Identifying Ear Portion Of Band Courtesy of AMERICAN HONDA MOTOR CO., INC.

11. Check the clearance between the closed ear portion of the band. If the clearance is not within the standard, close the ear portion of the band ti

hter.

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Fig. 120: Identifying Clearance Between Closed Ear Portion Of Band Courtesy of AMERICAN HONDA MOTOR CO., INC.

12. Install the new low profile band (A) onto the boot (B), then hook the tab (C) of the band.

Fig. 121: Identifying Low Profile Band Onto Boot Courtesy of AMERICAN HONDA MOTOR CO., INC.

13. Close the hook portion of the band with a commercially available boot band pliers (A), then hook the tabs (B) of the band.

Fig. 122: Identifying Boot Band Pliers, Hook And Tabs Courtesy of AMERICAN HONDA MOTOR CO., INC.

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REAR DRIVESHAFT INSTALLATION

NOTE: Before starting installation, make sure the mating surfaces of the joint and

the splined section are free from dirt or dust.

1. Apply 1.5-2.0 g (0.05-0.07 oz.) of grease to the whole splined surface (A). After applying grease, remove the grease from the splined grooves at intervals of 2-3 splines and from the set ring groove (B) so that air can bleed from the differential.

Fig. 123: Identifying Splined Surface And Ring Groove Courtesy of AMERICAN HONDA MOTOR CO., INC.

2. Install the outboard joint (A) into the rear hub (B).

NOTE: Be careful not to damage the wheel sensor (C).

Fig. 124: Identifying Outboard Joint, Rear Hub And Wheel Sensor Courtesy of AMERICAN HONDA MOTOR CO., INC.

3. Seat a new set ring in the set ring groove of the differential.

4. Clean the areas where the driveshaft contacts the differential thoroughly with brake cleaner, and dry with compressed air. Do not wash the rubber parts insolvent. Insert the inboard end (A) of the driveshaft into the differential (B) until the set rin

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Fig. 125: Installing Inboard End Of Driveshaft Into Differential Courtesy of AMERICAN HONDA MOTOR CO., INC.

5. Install the rear differential (see REAR DIFFERENTIAL INSTALLATION

6. Apply a small amount of engine oil to the seating surface of the new spindle nut (A).

Fig. 126: Identifying Spindle Nut And Wheel Nut With Torque Specifications Courtesy of AMERICAN HONDA MOTOR CO., INC.

7. Install a new spindle nut, then torque the nut. After tightening, use a drift to stake the spindle nut shoulder (B) against the driveshaft.

8. Clean the mating surfaces of the brake disc and the wheel, then install the rear wheels and torque the wheels nuts.

9. Turn the rear wheel by hand, and make sure there is no interference between the driveshaft and surrounding parts.

10. Check the rear wheel alignment, and adjust it if necessary (see WHEEL ALIGNMENT

PROPELLER SHAFT INSPECTION

UNIVERSAL JOINT AND BOOTS

1. Shift the transmission to the N position.

2. Raise the vehicle on a lift (see LIFT AND SUPPORT POINTS

3. Check the center support bearing (A) for excessive play or rattle. If the center support has excessive

or rattle, replace the propeller shaft assembly.

pla

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Fig. 127: Identifying Center Support Bearing Courtesy of AMERICAN HONDA MOTOR CO., INC.

4. Check the universal joint boots for damage and deterioration. If the boots are damaged or deteriorated, replace the propeller shaft assembly.

5. Check the universal joints for excessive play or rattle. If the universal joints have excessive play or rattle, replace the propeller shaft assembly.

PROPELLER SHAFT

1. Inspect the surface of No. 1 and No. 2 propeller shaft damage. If it is damaged, replace the propeller shaft assembly.

2. Inspect the difference (A) of No. 1 propeller shaft, especially if the vehicle has been in a collision. If there is difference in alignment, replace the propeller shaft assembly.

Fig. 128: Inspecting Difference Of No. 1 Propeller Shaft Courtesy of AMERICAN HONDA MOTOR CO., INC.

PROPELLER SHAFT RUNOUT

1. Install a dial indicator with its needle on the center of No. 1 propeller shaft or No. 2 propeller shaft.

2. Turn the other propeller shaft slowly and check the runout. Repeat this procedure for the other propeller shaft.

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No. 1 Propeller Shaft Runout

Service Limit: 1.5 mm (0.06 in.)

2007 Acura RL

2005-08 DRIVELINE/AXLES Driveline/Axle - RL

Fig. 129: Checking Propeller Shaft Runout Courtesy of AMERICAN HONDA MOTOR CO., INC.

No. 2 Propeller Shaft Runout

Service Limit: 1.5 mm (0.06 in.)

Fig. 130: Checking Propeller Shaft Runout Courtesy of AMERICAN HONDA MOTOR CO., INC.

3. If the runout on either propeller shaft exceeds the service limit, replace the propeller shaft assembly.

PROPELLER SHAFT REMOVAL

NOTE: Do not drop or damage the propeller shaft during removal.

1. Raise the vehicle off the ground, and support it with safety stands in the proper locations (see LIFT AND SUPPORT POINTS ).

2. Remove the muffler (A) and the exhaust pipe B.

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Fig. 131: Identifying Muffler And Exhaust Pipe Courtesy of AMERICAN HONDA MOTOR CO., INC.

3. Remove the No. 1 propeller shaft protector.

Fig. 132: Identifying No. 1 Propeller Shaft Protector Courtesy of AMERICAN HONDA MOTOR CO., INC.

4. Make a reference mark (A) across the propeller shaft (B) and transfer companion flange (C).

NOTE: Wrap the length of each propeller shaft with cardboard, at least 5 mm

thick, before removing the propeller shaft.

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Fig. 133: Making Match Mark On Propeller Shaft And Transfer Companion Flange Courtesy of AMERICAN HONDA MOTOR CO., INC.

5. Remove the nuts (D).

6. Make a reference mark (A) across the propeller shaft (B) and rear differential companion flange (C).

Fig. 134: Making Match Mark On Propeller Shaft And Rear Differential Companion Flange Courtesy of AMERICAN HONDA MOTOR CO., INC.

7. Remove the bolts (D).

8. Remove the center support bearing mounting bolts.

NOTE: Do not exceed the angle of center support bearing joint.

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Fig. 135: Identifying Center Support Bearing Mounting Bolts Courtesy of AMERICAN HONDA MOTOR CO., INC.

9. Slide the propeller shaft (A) toward the rear differential, then flex the No. 2 joint (B), and remove the No. 1 propeller shaft from the transfer.

NOTE: Keep the protector on the propeller shaft after removing it from the

vehicle. Be careful not to damage the propeller shaft.

Fig. 136: Removing Propeller Shaft Courtesy of AMERICAN HONDA MOTOR CO., INC.

10. Remove the propeller shaft from the vehicle.

PROPELLER SHAFT INSTALLATION

NOTE: Wrap the length of each propeller shaft with cardboard, at least 5 mm thick

to protect the carbon fiber shaft during removal and installation, before removing the propeller shaft.

1. Install the No. 1 propeller shaft (A) to the transfer by flexing the No. 2 joint (B), then install the propeller shaft to the vehicle.

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Fig. 137: Installing No. 1 Propeller Shaft Courtesy of AMERICAN HONDA MOTOR CO., INC.

2. Install the center support bearing mounting bolts. Make sure you use new bolts.

Fig. 138: Identifying Center Support Bearing Mounting Bolts With Torque Specifications Courtesy of AMERICAN HONDA MOTOR CO., INC.

3. Install the propeller shaft (A) onto the rear differential companion flange (B) by aligning the reference marks (C) you made. Make sure you use new mounting bolts.

NOTE: When replacing the propeller shaft or the rear differential, align the

factory reference marks.

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Fig. 139: Identifying Propeller Shaft Onto Rear Differential Companion Flange With Torque Specifications Courtesy of AMERICAN HONDA MOTOR CO., INC.

4. Install the propeller shaft (A) onto the transfer companion flange (B) by aligning the reference mark (C). Make sure you use new mounting nuts (D).

Fig. 140: Identifying Propeller Shaft Onto Transfer Companion Flange With Torque Specifications Courtesy of AMERICAN HONDA MOTOR CO., INC.

5. Remove the cardboard wrappin

from the propeller shaft.

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6. Turn the arrow (A) toward the front of the vehicle, and install the No. 1 propeller shaft protector (B).

Fig. 141: Identifying No. 1 Propeller Shaft Protector With Torque Specifications Courtesy of AMERICAN HONDA MOTOR CO., INC.

7. Install the muffler (A) and the exhaust pipe B.

Fig. 142: Identifying Muffler And Exhaust Pipe With Torque Specifications Courtesy of AMERICAN HONDA MOTOR CO., INC.

SUPPLEMENTAL RESTRAINT SYSTEM (SRS) (If steering maintenance is required)

The Acura RL SRS includes a driver's airbag in the steering wheel hub, a passenger's airbag in the dashboard above the glove box, seat belt tensioners in the front seat belt retractors, side curtain airbags in the sides of the roof, and side airbags in the front seat-backs. Information necessary to safely service the SRS is included in this Service Manual. Items marked with an asterisk (*) on the contents page include or are located near SRS components. Servicing, disassembling, or replacing these items requires special precautions and tools, and should be done by an authorized Acura dealer.

To avoid rendering the SRS inoperative, which could lead to personal injury or death in the event of a

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severe frontal or side collision, all SRS service work should be done by an authorized Acura dealer.

Improper service procedures, including incorrect removal and installation of the SRS, could lead to personal injury caused by unintentional deployment of the airbags and/or side airbags.

Do not bump or impact the SRS unit, front impact sensors, or side impact sensors when the ignition switch is ON (II), or for at least 3 minutes after the ignition switch is turned OFF; otherwise, the system may fail in a collision, or the airbags may deploy.

SRS electrical connectors are identified by yellow color coding. Related components are located in the steering column, front console, dashboard, dashboard lower panel, in the dashboard above the glove box, in the front seats, in the roof side, and around the floor. Do not use electrical test equipment on these circuits.

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BUZZERS, RELAYS & TIMERS

BUZZERS, RELAYS & TIMERS LOCATION

Component Location

Accessory Power Socket Relay (20)

A/C Compressor Clutch Relay (2) In under-hood fuse/relay box. See Fig. 186. ACC Relay (2) In auxiliary under-dash relay box. See Fig. 190. Adaptive Cruise Control Relay (3) In auxiliary under-hood relay box. See Fig. 187.

A/F Sensor Relay (21)

Blower Motor Relay (1) In under-hood fuse/relay box. See Fig. 186. DRL Relay (1) In auxiliary under-hood relay box. See Fig. 187. Fog Light Relay (14) In under-hood fuse/relay box. See Fig. 186.

Fuel Fill Door Opener Relay (5)

HVAC Control Motor Relay Behind right side of dash. See Fig. 88.

Ignition Coil Relay (24)

IG2 Relay (1) In auxiliary under-dash relay box. See Fig. 190. Keyless Answer Back Buzzer Behind middle of rear bumper. See Fig. 163.

Optional Relay (12)

PGM-FI Main Relay 1 (22)

PGM-FI Main Relay 2 (25)

Radiator Fan Control (RFC) Unit Relay (2) In auxiliary under-hood relay box. See Fig. 187. Rear Window Defogger Relay (3) In under-hood fuse/relay box. See Fig. 186.

Seat Heater Relay (4)

SH-AWD Relay Behind rear seat. See Fig. 146. Starter Cut Relay 1 (1) In auxiliary under-dash relay holder. See Fig. 197.

Starter Cut Relay 2 (19)

Throttle Actuator Control Module Relay (13)

Turn Signal/Hazard Relay 2 (Sounder) Under left side of dash. See Fig. 42.

Turn Signal/Hazard Relay (4)

Windshield Wiper Motor Relay (15) In under-hood fuse/relay box. See Fig. 186.

In driver's under-dash fuse/relay box. See Fig.

188.

In driver's under-dash fuse/relay box. See Fig.

188.

In passenger's under-dash fuse/relay box. See Fig.

189.

In driver's under-dash fuse/relay box. See Fig.

188.

In passenger's under-dash fuse/relay box. See Fig.

189.

In driver's under-dash fuse/relay box. See Fig.

188.

In driver's under-dash fuse/relay box. See Fig.

188.

In passenger's under-dash fuse/relay box. See Fig.

189.

In driver's under-dash fuse/relay box. See Fig.

188.

In passenger's under-dash fuse/relay box. See Fig.

189.

In driver's under-dash fuse/relay box. See Fig.

188.

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CIRCUIT PROTECTION DEVICES

CIRCUIT PROTECTION DEVICES LOCATION

Component Location

Auxiliary Under-Dash Fuse Holder Under left side of dash. See Fig. 62. Auxiliary Under-Dash Relay Box Under left side of dash. See Fig. 41. Auxiliary Under-Dash Relay Holder Under left side of dash. See Fig. 62. Auxiliary Under-Hood Relay Box Left side of engine compartment. See Fig. 34. Battery Terminal Fuse Box (+) In battery terminal fuse box. See Fig. 32. Driver's Under-Dash Fuse/Relay Box Behind left kick panel. See Fig. 59. Passenger's Under-Dash Fuse/Relay Box Behind right kick panel. See Fig. 93. Under-Hood Fuse/Relay Box Left rear of engine compartment. See Fig. 30.

CONTROL UNITS

CONTROL UNITS LOCATION

Component Location

Active Noise Control Unit Right side of trunk. See Fig. 160. AcuraLink Control Unit (XM Receiver) On left side of trunk. See Fig. 152. Adaptive Cruise Control Unit Behind right side of dash. See Fig. 195. Adaptive Front Lighting Control Unit Under left side of dash. See Fig. 63. Driver's MPCS Unit In driver's door. See Fig. 130. DRL Control Unit Under left side of dash. See Fig. 64. ECPS Control Unit Under left side of dash. See Fig. 63. E-Pretensioner Unit Under middle of dash. See Fig. 193. Front Passenger's MPCS Unit In front passenger's door. See Fig. 131. Fuel Pump Control Module In left "C" pillar. See Fig. 145. Hands FreeLink Control Unit Behind right kick panel. See Fig. 95. Headlight Leveling Control Unit Under left side of dash. See Fig. 63. Immobilizer Control Unit-Receiver On right side of steering column. See Fig. 48. Imoes Unit Under middle of dash. See Fig. 73. Keyless Access Control Unit Under left side of dash. See Fig. 58. Keyless Access RF Unit 1 Behind middle of dash. See Fig. 71. Keyless Access RF Unit 2 Middle of rear shelf. See Fig. 156. Main Antenna Module In right "C" pillar. See Fig. 138. Moonroof Control Unit Rear of roof. See Fig. 137.

Navigation Unit

In trunk, below left side of package tray. See Fig.

153. OPDS Unit In front passenger's seat back. See Fig. 106. PCM Under middle of dash. See Fig. 78. Power Rear Window Sunshade Control Unit Middle of rear shelf. See Fig. 155. Power Seat Control Unit Under driver's seat. See Fig. 102. Power Tilt/Telescopic Steering Control Unit Under left side of dash. See Fig. 41. RFC Unit Front middle of engine compartment. See Fig. 28.

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SH-AWD Control Unit Behind rear seat. See Fig. 149. SRS Unit Under lower middle of dash. See Fig. 76. Sub-Antenna Module In left "C" pillar. See Fig. 142. Throttle Actuator Control Module Behind right kick panel. See Fig. 96. TPMS Control Unit Right side of rear shelf. See Fig. 158. VSA Modulator-Control Unit On right side of engine compartment. See Fig. 2.

MOTORS

MOTORS LOCATION

Component Location

Blower Motor Under right side of dash. See Fig. 90. Center/Left/Right Rear Headrest Actuator Behind respective rear seat headrest. See Fig. 113. Driver's Air Mix Control Motor Below left side of dash. See Fig. 66. Driver's Cool Vent Control Motor Under left side of dash. See Fig. 65. Driver's Lumbar Support Motor Connector Under right side of driver's seat. See Fig. 99. Driver's Power Seat Slide Motor Under driver's seat. See Fig. 102. Driver's Power Window Motor Center of driver's door. See Fig. 128. Front Passenger's Air Mix Control Motor Behind right side of dash. See Fig. 85. Front Passenger's Cool Vent Control Motor Behind right side of dash. See Fig. 85. Front Passenger's Lumbar Support Motor

Connector Front Passenger's Power Seat Recline Motor Under front passenger's seat. See Fig. 107. Front Passenger's Power Seat Slide Motor Under front passenger's seat. See Fig. 110. Front Passenger's Power Window Motor Center of front passenger's door. See Fig. 128. Fuel Tank Unit Under left side of rear seat. See Fig. 118. Left Power Mirror Connector In driver's door. See Fig. 125. Left Rear Door Lock Actuator Connector Rear of left rear door. See Fig. 199. Left Rear Power Window Motor Center of left rear door. See Fig. 133.

Left/Right Adaptive Front Lighting Gear Box

Left/Right Headlight Leveling Motor

Mode Control Motor Under left side of dash. See Fig. 64. Rear Vent Control Motor Under middle of dash. See Fig. 79. Recirculation Control Motor Behind glove box. See Fig. 88. Right Rear Door Lock Actuator Connector Rear of right rear door. Right Rear Power Window Motor Center of right rear door. See Fig. 133. Starter Left side of engine. See Fig. 22. Windshield Washer Motor In bottom of washer reservoir. See Fig. 164.

Windshield Wiper Motor

Under front passenger's seat. See Fig. 107.

Behind respective headlight assembly. See Fig.

26.

Behind respective headlight assembly. See Fig.

27.

Left rear of engine compartment, under cowl

cover. See Fig. 37

SENDING UNITS & SENSORS

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SENDING UNITS & SENSORS LOCATION

Component Location

A/C Pressure Sensor Right side of engine compartment. See Fig. 3. APP Sensor Under left side of dash. See Fig. 62. ATF Transmission Sensor On transmission housing. See Fig. 177. Automatic Lighting Sensor/Sunlight Sensor Front center of dash. See Fig. 68. CKP Sensor 1 & 2 Right side of engine. See Fig. 170. CMP Sensor Right side of engine. See Fig. 7. Differential Oil Temperature Sensor Connector On rear differential. See Fig. 184. Driver's Door Outer Handle Light/Touch Sensor

Connector Driver's Power Seat Front Up-Down

Motor/Position Sensor Connector Driver's Power Seat Rear Up-Down

Motor/Position Sensor Connector Driver's Power Seat Recline Motor/Position

Sensor Connector

Center of driver's door. See Fig. 129.

Right side of driver's seat. See Fig. 98.

Left side of driver's seat. See Fig. 97.

Under driver's seat. See Fig. 99.

Driver's Power Seat Slide Position Sensor Under driver's seat. See Fig. 103. Driver's Seat Position Sensor Under front of driver's seat. See Fig. 105.

Driver's Vent Air Temperature Sensor

Behind left side of gauge control module. See Fig.

50. ECT Sensor 1 On top left side of engine. See Fig. 19. ECT Sensor 2 Left side of engine. See Fig. 17. EGR Valve Position Sensor Left side of engine. See Fig. 19. Evaporator Temperature Sensor Connector Under left side of dash. See Fig. 65. Front A/F Sensor (B2, S1) Connector Middle of engine. See Fig. 15. Front Passenger's Door Outer Handle Light/Touch

Sensor Connector

Center of front passenger's door. See Fig. 129.

Front Passenger's Vent Air Temperature Sensor Under right side of dash. See Fig. 86. Front Secondary HO2S (B2, S2) Connector Middle of engine. See Fig. 15. FTP Sensor Above rear differential. See Fig. 185. Headlight Leveling Sensor Under left rear of vehicle. See Fig. 179. Hypoid Gear Speed Sensor On rear differential. See Fig. 181. IAT Sensor Left side of engine. See Fig. 19. In-Car Temperature Sensor On dash, right of steering column. See Fig. 38. Input Shaft (Mainshaft) Speed Sensor In transmission housing. See Fig. 24.

Knock Sensor

On top middle of engine, below intake manifold.

See Fig. 13 Left Front Impact Sensor Behind left side of front bumper. See Fig. 168. Left Front Pressure Sensor Left side of engine compartment. See Fig. 191. Left Front Wheel Speed Sensor Connector Left side of engine compartment. See Fig. 35. Left Rear Wheel Speed Sensor Connector Under left rear of vehicle. See Fig. 179. Left Side Impact Sensor (1st) At base of left "B" pillar. See Fig. 121. Left Side Impact Sensor (2nd) In left "C" pillar. See Fig. 143. MAP Sensor Left side of engine. See Fig. 16.

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2007 Acura RL

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Output Shaft (Countershaft) Speed Sensor In transmission housing. See Fig. 177. Outside Air Temperature Sensor Behind middle of front bumper. See Fig. 167. Power Telescopic Motor/Position Sensor

Connector Power Tilt Steering Motor/Position Sensor

Connector

Under steering column cover. See Fig. 49.

Rear A/F Sensor (B1, S1) Connector Middle of engine. See Fig. 8. Rear Safing Sensor Under rear seat. See Fig. 120. Rear Secondary HO2S (B1, S2) Connector Middle of engine. See Fig. 8. Right Front Impact Sensor Behind right side of front bumper. See Fig. 168. Right Front Pressure Sensor Left side of engine compartment. See Fig. 191. Right Front Wheel Speed Sensor Connector On right side of engine compartment. See Fig. 1. Right Rear Wheel Speed Sensor Connector Under right rear of vehicle. See Fig. 179. Right Side Impact Sensor At base of right "B" pillar. See Fig. 121. Right Side Impact Sensor (2nd) In right "C" pillar. See Fig. 143. Seat Weight Sensor Unit Under front passenger's seat. See Fig. 111. Secondary Fuel Gauge Sending Unit Under right side of rear seat. See Fig. 119. Steering Angle Sensor On side of steering column. See Fig. 45. TP Sensor/Throttle Actuator On throttle body. See Fig. 18. Yaw Rate-Lateral Acceleration Sensor Under center console. See Fig. 80.

SOLENOIDS & SOLENOID VALVES

SOLENOIDS & SOLENOID VALVES LOCATION

Component Location

A/C Compressor Connector Right side of engine compartment. See Fig. 173. A/T Clutch Pressure Control Solenoid Valve A On transmission housing. See Fig. 23. A/T Clutch Pressure Control Solenoid Valve B On transmission housing. See Fig. 23. A/T Clutch Pressure Control Solenoid Valve C On transmission housing. See Fig. 25. Driver's Seat Belt Tension Reducer Solenoid

Connector ECPS Valve Connector Left side of engine compartment. See Fig. 21. EGR Valve Left side of engine. See Fig. 19. Engine Mount Control Solenoid Valve Middle of engine. See Fig. 20.

EVAP Canister Purge Valve

EVAP Canister Vent Shut Valve Under rear of vehicle. See Fig. 67. Front Passenger's Seat Belt Tension Reducer

Solenoid Connector Fuel Fill Door Opener Solenoid On left side of trunk. See Fig. 151. IMT Valve Right side of engine. See Fig. 7. Injector No. 1 Middle of engine. See Fig. 11. Injector No. 2 Middle of engine. See Fig. 11. Injector No. 3 Middle of engine. See Fig. 11. Injector No. 4 Middle of engine. See Fig. 12.

On base of left "B" pillar. See Fig. 121.

At left side of engine compartment, near strut

tower. See Fig. 16

On base of right "B" pillar. See Fig. 121.

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Injector No. 5 Middle of engine. See Fig. 12. Injector No. 6 Middle of engine. See Fig. 12. Left Clutch Electromagnetic Coil On rear differential. See Fig. 182. Right Clutch Electromagnetic Coil On rear differential. See Fig. 184. Rocker Arm Oil Control Solenoid (VTEC

Solenoid Valve)

Right side of engine. See Fig. 171.

Shift Lock Solenoid Under center console. See Fig. 80. Shift Solenoid Valve On rear differential. See Fig. 183. Starter Solenoid On starter. See Fig. 22. Trunk Lid Latch Opener Solenoid Connector Center rear of trunk. See Fig. 205.

SWITCHES

SWITCHES LOCATION

Component Location

Brake Fluid Level Switch Integral to brake fluid reservoir cap. See Fig. 36. Brake Pedal Position Switch Near brake pedal. See Fig. 57. Driver's Seat Belt Switch Connector Under driver's seat. See Fig. 105. Front Passenger's Seat Belt Switch Connector Under front passenger's seat. See Fig. 108. Left Rear Door Lock Knob Switch Connector Rear of left rear door. See Fig. 199. Oil Pressure Switch Right side of engine. See Fig. 170. Parking Brake Switch Under left side of dash. See Fig. 57. PSP Switch Right side of engine. See Fig. 172. Right Rear Door Lock Knob Switch Connector Rear of right rear door. Rocker Arm Oil Pressure Switch (VTEC Oil

Pressure Switch) Security Hood Switch Connector Behind middle of front bumper. See Fig. 166. Transmission Range Switch On transaxle. See Fig. 24. Trunk Lid Latch Switch Connector Center rear of trunk. See Fig. 205. Washer Fluid Level Switch Connector Behind right side of front bumper. See Fig. 164. 2nd Clutch Transmission Fluid Pressure Switch Top left side of engine. See Fig. 20. 3rd Clutch Transmission Fluid Pressure Switch On transmission. See Fig. 177. 4th Clutch Transmission Fluid Pressure Switch

Connector

Right side of engine. See Fig. 170.

On transmission. See Fig. 25.

MISCELLANEOUS

MISCELLANEOUS LOCATION

Component Location

Alternator Right front of engine compartment. See Fig. 4. AM/FM Main Antenna Amplifier In right "C" pillar. See Fig. 138. AM Signal Main Window Antenna Right "C" pillar. See Fig. 138. Antenna Sub-Lead Connector Behind right kick panel. See Fig. 95. Audio Amplifier Right side of trunk. See Fig. 159.

Acura RL (2005), RL (2006), RL (2007), RL (2008) Workshop Manual

Specifications and Main Features

Frequently Asked Questions

User Manual