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Home >> Audi >> 2012 >> S5 Quattro Cabriolet (8F7) V6-3.0L SC (CCBA) >> Repair and Diagnosis >> Transmission and Drivetrain >> Differential Assembly >> Service and Repair >> Removal and Replacement >> Rear Final Drive 0BF and 0BE (0B4A,0B2A,0B6A,0B5A,0BKA,0BLA,0BFH,0BEH Transmission) >> Rear Final Drive

Rear Final Drive






Rear Final Drive

Observe general repair notes, refer to => [ Repair Information ] Repair Information.

Follow all safety precautions, refer to => [ Safety Precautions and Test Procedures ] Safety Precautions and Test Procedures.

Special tools, testers and auxiliary items required

• Engine-Gearbox Jack (V.A.G 1383 A) With Universal Transmission Support (V.A.G 1359/2)

• Tensioning Strap (T10038)

• Counterhold Tool Touareg V10 (T10172) And Adapters (T10172/5)

• Support Arm Bearing Inst.Tool (3346)

• Nut (3346/3)

• Assembly Tool (3301)

Removing

- Place the vehicle on a hoist.

- Remove the hub cap from the left rear wheel. On a light alloy wheels, remove cover cap (removal hook in vehicle tool kit).

- Remove rear wheels.

• Do not bend the decoupling element in the front exhaust pipe more than 10°, otherwise it will get damaged.

- Loosen the clamping sleeves - 1 and 2 - and separate the exhaust system.






- Tie the front exhaust pipes to the underbody.

- Remove the rear crossbrace - 1 -, if equipped.






- Install rear section of the exhaust system - 2 -.

• A second technician will be needed to help remove the rear section of the exhaust system.

- Remove the driveshaft. Refer to => [ Driveshaft Bolted on Transmission Side ] Driveshaft Bolted On Transmission Side.

- Remove the left drive axle heat shield - A - from the rear final drive - arrows -.






- Remove the bolts - arrows - and remove the bracket - 1 - from the rear final drive.






• Mark the connectors - 2 - for the oil pressure/temperature sensor and on the clutch valves.

- Mark the connectors - 2 - on the oil pressure/temperature sensor and on the clutch valves.

- Disconnect the connector - 4 - from the All Wheel Drive (AWD) pump (V415).

- Unclip the wiring harness - 3 - from the final drive and the subframe - 5 through 7 - and tie it up.

- Remove the left - 1 - and right - 3 - from the final drive.






- Loosen the bolts - 2 - approximately 3 turns..

- Remove the bolt - 4 -.

Lower the subframe - 1 - at the rear as follows:






- Remove the right rear bolt connecting the subframe to the body.

- Attach the (3346) with the (3346/3) and the bracket from the (3301) into this threaded hole.

- Remove the left rear bolt connecting the subframe to the body.

- Lower the subframe to dimension - a - = 40 mm. Counter hold the (3346) and turn the (3346/3) counter-clockwise.

- Position the (V.A.G 1383 A) with the (V.A.G 1359/2) and a suitable rubber or hard foam mat - A - under the rear final drive.






The rubber or hard foam mat is needed to prevent damaging the clutch valves on the rear final drive.

Use the (T10038) to hold the rear final drive from falling down.

- Remove the two back bolts that connect the rear final drive to the subframe.

- A second technician will be needed to continue removing the rear final drive.

- The second technician must now push the rear final drive toward the right side of the vehicle in direction of the - arrow -.






- Guide the left drive axle - 1 - upward and out of the final drive flange shaft - 2 -.

- Remove the right drive axle and angle the final drive downward.

- Carefully lower the final drive together with the second technician. Pay attention to the subframe.

• Do not lift or lower vehicle when the (V.A.G 1383 A) stands below the vehicle.

• Do not leave (V.A.G 1383 A) below vehicle any longer than necessary.

Installing

Install in reverse order of removal. Be sure to note the following:

Rear final drive malfunctions!

There is additional work if the rear final drive was replaced. Refer to => [ Rear Final Drive, Additional Work after Replacing ] Rear Final Drive, Additional Work After Replacing.

- Carefully raise the rear final drive using the (V.A.G 1383 A) and, together with a second technician, position the final drive in it installed position on the subframe.






- A - = rubber or hard foam mat

The rubber or hard foam mat is needed to prevent damaging the clutch valves on the rear final drive.

Use the (T10038) to hold the rear final drive from falling down.

- Insert the right drive axle into the final drive flange shaft.

- The second technician must now push the rear final drive toward the right side of the vehicle in direction of the - arrow -.






- Insert the left drive axle - 1 - into the final drive flange shaft - 2 -.

- Install the bolts - 2 - that attach the rear final drive to the subframe hand-tight.






• The (V.A.G 1383 A) and the (V.A.G 1359/2) are not shown in the illustration.

- Tighten the bolt - 4 - to the tightening specification - item 3 - => [ (Item 3) Bolt ] Rear Final Drive Overview and then tighten the bolts - 2 - to the tightening specification - item 2 - => [ (Item 2) Bolt ] Rear Final Drive Overview.

- Remove the (V.A.G 1383 A) from under the final drive.

- Install the left - 1 - and right - 3 - drive axles.

Attach the back of the subframe - 1 - to the body as follows:






- First turn the (3346/3) clockwise until the subframe touches the body while counter holding by the (3346).

- Then install the left rear bolt that attaches the subframe to the body and tighten it to the tightening specification.

- Remove the (3346) and install the right rear bolt that attaches the subframe to the body and tighten it to the tightening specification.

- Attach the left drive axle heat shield - A - to the rear final drive - arrows - - item 5 - => [ (Item 5) Bolt ] Rear Final Drive Overview.






- Install the wiring harness - 3 - on the final drive and subframe - 5 through 7 -.






- Connect the connectors - 4 and 2 - using the markings made earlier when oil pressure/temperature sensor and the clutch valve were removed.

Danger of damaging the wiring harness.

• Be careful of the wiring harness - 3 - when attaching the bracket - 1 - to the rear final drive.

- Hold the bracket - 1 - on the rear final drive and tighten the bolts - arrows - to the tightening specification => [ Tightening Specification ] Rear Final Drive, Additional Work After Replacing.

• Connector allocation for the oil pressure/temperature sensor and the clutch valves :






• - 1 - = Oil pressure/temperature sensor 2 (G640) connector

• - 2 - = Oil pressure/temperature sensor (G437) connector

• - 3 - = AWD clutch valve 2 (N446) connector

• - 4 - = AWD clutch valve (N445) connector

- Install the driveshaft matching it up with the markings and then tighten the bolts according to the tightening sequence. Refer to => [ Driveshaft Bolted on Transmission Side ] Driveshaft Bolted On Transmission Side.

- Check the gear oil in the rear final drive. Refer to => [ Gear Oil Level in Rear Final Drive 0BF and 0BE, Checking ] Gear Oil Level In Rear Final Drive 0BF and 0BE, Checking.

- Check the ATF level in rear final drive. Refer to => [ ATF Level in Rear Final Drive 0BF and 0BE, Checking ] ATF Level In Rear Final Drive 0BF and 0BE, Checking.

- Install and adjust rear part of exhaust system free of stress.

- Install the rear crossbrace - 1 -, if equipped.

- Install the rear wheels and tighten the bolts.

• There is additional work if the rear final drive was replaced. Refer to => [ Rear Final Drive, Additional Work after Replacing ] Rear Final Drive, Additional Work After Replacing.

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