Final drive cover O-ring, replacing
WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2009 Audi A4, 2008 Audi S4, 2008 Audi A4, 2007 Audi S4, and 2007 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
Special tools, testers and auxiliary items required
- Drip tray V.A.G 1306
Procedure
- Transmission installed
NOTE:
- General repair instructions → General repair instructions .
- Read the rules for cleanliness when working on the automatic transmission → Rules for cleanliness .
- Remove transmission support (right-side) → Transmission support and transmission mounting, removing and installing (left and right) .
- Place drip tray V.A.G 1306 under transmission.
- Remove flange shaft (right-side) → Flanged shaft (right side), removing and installing .
- Remove bolts on final drive cover in sequence - 11 to 1 - and remove cover together with outer race for tapered roller bearing and shim.
NOTE:
- Thickness of shim has been measured to fit; the shim must not be replaced with another shim of different thickness.
- Replace O-ring - arrow -.
Note the following if the outer race for tapered roller bearing and the shim have dropped out of the final drive cover:
- Lubricate shim and outer race for tapered roller bearing with gear oil and insert in final drive cover as far as stop.
- Tighten bolts of final drive cover as follows.
| Step | Tightening sequence |
|---|---|
| I |
|
| II |
|
- Install flange shaft (right-side) → Flanged shaft (right side), removing and installing .
- Install transmission support (right-side) → Transmission support and transmission mounting, removing and installing (left and right) .
- Check oil level in front final drive → Front final drive gear oil .