A6 Quattro Sedan V8-4.2L (ART) (2000)
Pinion Gear: Service and Repair
PINION, REMOVING, INSTALLING AND SERVICING
NOTES:
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Always replace both tapered roller bearings together as a set.
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Clamp the rear final drive in the holding fixture refer to Fig. 1.
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An asterisk (*) indicates adjustment work is required if these components are replaced.
1. Pinion nut
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Removing refer to Fig. 2
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Installing refer to Fig. 14
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Measuring turning torque refer to Fig. 15
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Securing refer to Fig. 16
2. Driveshaft flange
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Pulling off refer to Fig. 3
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Installing refer to Fig. 13
3. Seal for driveshaft flange
4. O-ring
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Always replace
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Insert with gear oil refer to Fig. 12
5. Small tapered roller bearing inner race*
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Pressing out drive pinion refer to Fig. 4
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Installing refer to Fig. 11
6. Small tapered roller bearing outer race*
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Removing refer to Fig. 5
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Pressing in refer to Fig. 10
7. Spacer sleeve*
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Always replace
8. Final drive housing*
9. Shim S3
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Note thickness
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Adjustment overview - Refer to Differential; Adjustments.
10. Large tapered roller bearing outer race*
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Removing refer to Fig. 6
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Installing refer to Fig. 9
11. Large tapered roller bearing inner race*
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Removing refer to Fig. 7
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Pressing on refer to Fig. 8
12. Pinion*
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Matched with ring gear