Rear Final Drive Overview (OBF & OBE)
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2015 Audi S7, 2015 Audi RS 7, 2015 Audi A7 Quattro, 2014 Audi S7, and 2014 Audi RS 7. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
Only very specific parts on the rear final drive can be disassembled.
- Currently it is not possible to remove both chambers -item 11- REAR FINAL DRIVE OVERVIEW => List Item:Left Chamber and -item 25- REAR FINAL DRIVE OVERVIEW => List Item:Right Chamber from the final drive.
- This means that is currently not possible to repair any internal components.
- Bolt
- Always replace if removed
- 50 Nm + 180° additional turn
- Right Flange Shaft
- Removing and installing, refer to FLANGE SHAFT SEALS, REAR FINAL DRIVE REMOVED
- Do not confuse with the left flange shaft; they are different.
- Ring
- Replace, refer to FLANGE SHAFT RING
- ATF Breather Pipe
- For the left chamber
- Clipped to the bleed pipe
- Gasket
- With a screen
- Hydraulic Control Unit
- With the All wheel Drive (AWD) pump -V415- and pipes to the chambers
- Removing and installing, refer to HYDRAULIC CONTROL UNIT
- Disassembling and assembling, refer to HYDRAULIC CONTROL UNIT
- Bolt
- 20 Nm
- M8; 50 mm long
- Quantity: 2
- Follow tightening sequence Installing => Attach the hydraulic control unit -1- to the rear final drive as follows:
- Bolt
- 20 Nm
- M8; 50 mm long
- With a permanent seal under the bolt head
- Coat the thread with sealant D 176 501 A1
- Follow tightening sequence Installing => Attach the hydraulic control unit -1- to the rear final drive as follows:
- Bolt
- 20 Nm
- M8; 30 mm long
- Follow tightening sequence Installing => Attach the hydraulic control unit -1- to the rear final drive as follows:
- Shaft Seal
- For the left flange shaft
- Replace, refer to FLANGE SHAFT SEALS, REAR FINAL DRIVE REMOVED
- Left Chamber
- ATF Check Plug
- 15 Nm
- Always replace if removed
- With a permanent seal
- Left Flange Shaft
- Removing and installing, refer to FLANGE SHAFT SEALS, REAR FINAL DRIVE REMOVED
- Do not confuse with the right flange shaft; they are different.
- Ring
- Replace, refer to FLANGE SHAFT RING
- ATF Drain Plug
- 15 Nm
- Always replace if removed
- With a permanent seal
- Gear Oil Drain Plug
- 15 Nm
- Always replace if removed
- With a permanent seal
- Final Drive Housing
- Shaft Seal
- For the flange/driveshaft
- Replace on the final drive 0BF, refer to FLANGE/DRIVESHAFT SEAL, REAR FINAL DRIVE 0BF
- Replace on the final drive 0BE, refer to FLANGE/DRIVESHAFT SEAL, REAR FINAL DRIVE 0BE
- Ring
- Replace, refer to FLANGE/DRIVESHAFT RING
- Flange/Driveshaft
- Removing and installing on rear final drive 0BF, refer to FLANGE/DRIVESHAFT SEAL, REAR FINAL DRIVE 0BF
- Removing and installing on rear final drive 0BE, refer to FLANGE/DRIVESHAFT SEAL, REAR FINAL DRIVE 0BE
- Securing Ring
- Always replace if removed
- Installing Installing => Install the locking ring -1- as follows:
- Gear Oil Inspection Plug
- 15 Nm
- Always replace if removed
- With a permanent seal
- Bracket
- For the wiring harness
- Bolt
- 9 Nm
- Right Chamber
- Shaft Seal
- For the right flange shaft
- Replace, refer to FLANGE SHAFT SEALS, REAR FINAL DRIVE REMOVED
- ATF Breather Pipe
- For the right chamber
- Clipped to the bleed pipe
- Final Drive Bleeder
- Clipped to the bleed pipe