Rear Final Drive
Rear Final Drive
Special tools, testers and auxiliary items required
• Counterhold tool Touareg V10 (T10172) and adapters (T10172/5)
• Socket XZN 12 (T40154)
• Engine/Transmission Jack (V.A.G 1383 A) with Universal Transmission Support (V.A.G 1359/2)
Removing
Observe general repair notes => [ To perform a problem-free and successful transmission repair, extreme caution and cleanliness, as well as properly functioning tools are an important requirement. Understandably, general safety guidelines apply when performing repairs. ] Component Description.
- Place the vehicle on a hoist.
• Do not bend the decoupling element in the front exhaust pipe more than 10°, otherwise it will get damaged.
- Loosen the clamping sleeve(s) - arrows - and disconnect the exhaust system.
- Tie the front exhaust pipe(s) to the underbody.
- Remove the rear crossmember - 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.
Audi A4 and Audi A5
- Remove the heat shield - 3 - from the body - arrows -.
Continuation for All Vehicles
- Check whether there is a marking (color marking) on driveshaft and at flange/driveshaft at rear final drive - arrow A - and - arrow B -.
- If one of these markings is no longer visible (for example - arrow A - on the driveshaft), then make a new color marking.
• Die marking on the driveshaft - arrow A - and on the rear final drive - arrow B - must line up.
- Remove the bolts - 1 - (quantity: 6) from the rear CV joint.
- Use the (T10172) with the (T10172/5).
Audi A4 and Audi A5
- Attach the rear crossmember - C - to the body, if removed earlier.
- Place a block of wood - A - (approximately 40 mm tall) on the rear crossmember - C - and secure the driveshaft - B -.
• The heat shield under the intermediate bearing supports the driveshaft - B - on the Audi Q5.
• The driveshaft can be bent at the center joint without using force. A hard bending to the stop may cause damage to the center joint or dust boot.
Continuation for All Vehicles
- Remove the bolts from the driveshaft center bearing - arrows -.
- Push the driveshaft forward while pulling off the rear final drive.
- Tie the driveshaft to the side of the subframe.
- Remove the left drive axle heat shield - A - from the crossmember/rear final drive - arrows -.
- Remove the left - 1 - and right - 3 - drive axles.
- Loosen the bolts - 2 - approximately 3 turns.
- Remove the bolt - 4 -.
- Place the (V.A.G 1383 A) with the (V.A.G 1359/2) and a block of wood - A - (approximately 80 mm tall) under the rear final drive.
• Make sure the (V.A.G 1359/2) is not touching the fuel tank.
- Remove the bolts - 1 - (lower crossmember bolt to the rear final drive) and - 2 -.
- Remove the two upper crossmember bolts - B - to the rear final drive.
- Guide the (T40154) through the holes in the subframe - A -. Move the final drive to the left or to the right if necessary.
- Push the final drive - A - slightly to the front.
- Turn the crossmember - B - to the left in direction of - arrow 1 - while guiding it past the final drive - arrow 2 - and remove it.
• A second technician will be needed to continue removing the rear final drive.
- A second technician must lift the rear final drive - 1 - on the right side and push it in direction of - arrow - toward the left side of the vehicle.
• The (V.A.G 1383 A) and the (V.A.G 1359/2) are not shown in the upper area I of the illustration.
- Guide the right drive axle - 5 - upward and out of the final drive flange shaft - 4 -.
- Remove the left drive axle - 3 -.
- Secure the rear final drive with a strap - B -.
A Block of wood
- Lower rear final drive completely.
Installing
Installation is in reverse order of removal. Observe the following when doing so:
- Mount the rear final drive - 1 - with the (V.A.G 1383 A) and (V.A.G 1359/2) on the subframe - 2 - in its installed position.
• The (V.A.G 1383 A) and the (V.A.G 1359/2) are not shown in the upper area I of the illustration.
- Install the left drive axle - 3 - into the final drive flange shaft.
- A second technician must lift the rear final drive - 1 - on the right side and push it in direction of - arrow - toward the left side of the vehicle.
- Insert the right drive axle - 5 - into the final drive flange shaft - 4 -.
- Push the final drive - A - slightly to the front.
- Rotate and install the crossmember - B - in the opposite direction of - arrow 1 - while guiding past the final drive - arrow 2 -.
- Tighten the 4 bolts that connect the crossmember - B - to the rear final drive diagonally to the tightening specification - 4 - => [ Bolt ] Rear Final Drive Assembly Overview.
- Guide the (T40154) through the holes in the subframe - A -. Move the final drive to the left or to the right if necessary.
- Install the bolts - 2 - and - 4 - 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 - 3 - => [ Bolt ] Rear Final Drive Assembly Overview.
- Tighten the bolts - 2 - to the tightening specification - 2 - => [ Bolt ] Rear Final Drive Assembly Overview.
- Remove the (V.A.G 1383 A) from under the final drive.
- Install the left - 1 - and right - 3 - drive axles.
- Attach the left drive axle heat shield - A - to the crossmember/rear final drive - arrows - - 6 - => [ Bolt ] Rear Final Drive Assembly Overview.
- Tighten the driveshaft to the rear final drive. Match up the markings and follow the tightening sequence => [ Removing ] Driveshaft from Rear Final Drive.
- Tighten the driveshaft intermediate bearing to the body so that it is free of tension - arrows -. Tightening specification - 8 - => [ Bolt ] Driveshaft Bolted on Transmission-Side Assembly Overview.
- Check axle oil level in rear final drive. Refer to => [ Rear Final Drive Gear Oil, Checking ] Rear Final Drive 0BD (0B2A,0B6A,0B4A,0B5A,0BKA Transmission).
Audi A4 and Audi A5
- Attach the heat shield - 3 - to the body - arrows -.
Continuation for All Vehicles
- Install and adjust rear part of exhaust system free of stress.
- Attach the crossmember - 1 -, if equipped, to the body.