A8 Quattro Sedan V8-4.2L (AUX) (2001)
Differential Carrier: Service and Repair
Differential Gear, Disassembling and Assembling
Notes:
^
Refer to general repair instructions.
^
Make sure both tapered roller bearings on file differential gear are replaced together. If possible, use bearings from same manufacturer.
1 - Final drive cover
2 - O-ring for cover
^
Always replace
3 - Final drive housing
4 - Shim S1
^
Note thickness
5 - Outer race of small tapered roller bearing
^
Driving out go to Fig. 10
^
Driving in Fig. 11
6 - Inner race of small tapered roller bearing
^
Pulling off go to Fig. 2
^
Pressing on go to Fig. 4
7 - Ring gear bolt
^
Always replace
^
Use only genuine replacement bolts
^
Counter-hold when tightening
^
Tighten in diagonal sequence
^
Tightening torque: 60 Nm (44 ft. lbs.) plus additional 1/8 turn (45°)
8 - Differential gear housing
9 - Ring gear
^
Matched with pinion (in ring gear and pinion set)
^
When replacing set, pinion and ring gear must be adjusted
^
Drive out of differential gear housing using mandrel go to Fig. 5
^
Installing go to Fig. 6
^
To install, warm ring gear to 100°C (212°F)
10 - Clamping sleeve
^
Drive in flush
11 - Inner race of large tapered roller bearing
^
Pulling off go to Fig. 1