O-ring on final drive cover, replacing

WARNING: This page is about a different car, the 2010 Audi A8, 2009 Audi A8, 2008 Audi A8, 2007 Audi A8, and 2004 Audi A8. However, it is still accessible from the selected car via links, so may be relevant.

Special tools, testers and auxiliary items required

Fig 1: Drip Tray V.A.G 1306

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Drip tray V.A.G 1306

Work procedure

Transmission installed.

Place drip tray V.A.G 1306 underneath transmission.
Remove right flange shaft → Right flange shaft, removing and installing .

For vehicles with ATF cooler on transmission:

Fig 2: ATF Cooler Components

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Remove bolts - 4 - , - 6 - , - 7 -.

NOTE:

Bolts - 4 - , - 6 - , - 7 - secure bracket - 5 - for ATF cooler - 8 - on transmission.

Place bracket - 5 - together with ATF cooler - 8 - at top.

All:

Fig 3: Removing/Installing Bolts On Final Drive Cover In Sequence

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Remove final drive cover bolts in - 11 to 1 - sequence and remove cover together with tapered roller bearing outer race and shim.

NOTE:

The shim must be the correct size and must not be replaced by a shim with a different thickness.

Fig 4: Differential Cover O-Ring

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Replace O-ring - arrow -.

If outer race for taper roller bearing and shim have fallen out of cover for final drive:

Lubricate shim and outer race for taper roller bearing with gear oil and insert into final drive cover as far as the stop.

Fig 5: Removing/Installing Bolts On Final Drive Cover In Sequence

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Tighten final drive cover bolts as follows:

Stage	Tightening
I	Tighten bolts - 1 - and - 2 - to 3 Nm.
II	Tighten bolts - 1 through 11 - in sequence listed to 23 Nm.

Fig 6: ATF Cooler Components

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Install bracket - 5 - together with ATF cooler - 8 -

Install right flange shaft → Right flange shaft, removing and installing .
Check oil level in front final drive → Gear oil level in front final drive .