A8L Quattro Sedan V8-4.2L (AKB) (2002)
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Differential Carrier: Service and Repair
Differential Gear, Disassembling and Assembling
Notes:
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Refer to general repair instructions.
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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
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Always replace
3 - Final drive housing
4 - Shim S1
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Note thickness
5 - Outer race of small tapered roller bearing
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Driving out go to Fig. 10
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Driving in Fig. 11
6 - Inner race of small tapered roller bearing
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Pulling off go to Fig. 2
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Pressing on go to Fig. 4
7 - Ring gear bolt
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Always replace
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Use only genuine replacement bolts
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Counter-hold when tightening
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Tighten in diagonal sequence
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Tightening torque: 60 Nm (44 ft. lbs.) plus additional 1/8 turn (45°)
8 - Differential gear housing
9 - Ring gear
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Matched with pinion (in ring gear and pinion set)
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When replacing set, pinion and ring gear must be adjusted
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Drive out of differential gear housing using mandrel go to Fig. 5
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Installing go to Fig. 6
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To install, warm ring gear to 100°C (212°F)
10 - Clamping sleeve
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Drive in flush
11 - Inner race of large tapered roller bearing
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Pulling off go to Fig. 1
