A8 Quattro Sedan V8-4.2L (AUX) (2001)
Pinion Gear: Service and Repair
Pinion, removing and installing
Notes:
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Refer to general repair instructions .
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Make sure both tapered roller bearings on the pinion are replaced together. If possible, use bearings from same manufacturer.
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Do not additionally treat new tapered roller bearing to measure turning torque. For this purpose, the bearings are already pre-treated with a special
oil.
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Differential gear, removing .
1 - Pinion nut
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Removing go to Fig. 2
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Tightening Fig. 16
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In this process, measure turning torque go to Fig. 17
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Securing, Fig. 18
2 - Drive Shaft flange
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Removing go to Fig. 3
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Installing go to Fig. 15
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Radial runout, measuring
3 - Sealing ring for drive shaft flange
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Removing go to Fig. 4
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Installing go to Fig. 14
4 - O-ring
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Always replace
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Installing go to Fig. 13
5 - Outer race of small tapered roller bearing
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Pinion, pressing out Fig. 5