A6 Quattro Wagon V6-2.8L (AFC) (1995)
Pinion Gear: Service and Repair
Overview
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Refer to general repair instructions. See: Manual Transmission/Transaxle/Service and Repair
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Replace both tapered roller bearings of pinion together, using bearings from the same manufacturer if possible.
1. Final drive housing
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Clamp final drive in assembly stand: refer to "Procedures"
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If these parts are replaced, adjustments are required. Refer to List of Adjustments at Rear Final Drive, Ring and Pinion Adjusting.
2. Pinion
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Is matched to ring gear
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If these parts are replaced, adjustments are required. Refer to List of Adjustments at Rear Final Drive, Ring and Pinion Adjusting.
3. Inner race for tapered roller bearing
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Removing: refer to "Procedures"
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Inserting: refer to "Procedures"
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If these parts are replaced, adjustments are required. Refer to List of Adjustments at Rear Final Drive, Ring and Pinion Adjusting.
4. Outer race for large tapered roller bearing
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Removing: refer to "Procedures"
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Inserting: refer to "Procedures"
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If these parts are replaced, adjustments are required. Refer to List of Adjustments at Rear Final Drive, Ring and Pinion Adjusting.
5. Shim S3
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Note thickness
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List of adjustments. Refer to List of Adjustments at Rear Final Drive, Ring and Pinion Adjusting.
6. Spacer sleeve
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Always replace!
7. Outer race for small tapered roller bearing
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Removing: refer to "Procedures"
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Installing: refer to "Procedures"
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If these parts are replaced, adjustments are required. Refer to List of Adjustments at Rear Final Drive, Ring and Pinion Adjusting.
8. Inner race for small tapered roller bearing
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Pressing out pinion: refer to "Procedures"
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Installing: refer to "Procedures"
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If these parts are replaced, adjustments are required. Refer to List of Adjustments at Rear Final Drive, Ring and Pinion Adjusting.
9. Seal
10. Driveshaft flange with final drive cover
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Removing: refer to "Procedures"
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Disassembling and assembling: See: Output Shaft/Service and Repair
11. Pinion nut
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Unscrewing: refer to "Procedures"
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Screwing on: refer to "Procedures"
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Measuring friction torque: refer to "Procedures"
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Securing: refer to "Procedures"