A6 Quattro Wagon V6-2.8L (AFC) (1995)
Calculating Stotal (S1 + S2)
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Install shim of calculated total thickness, 1.92 mm in example, behind tapered roller bearing outer race in transmission housing (S2 side).
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Select shims from table (shown below)
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Measure friction torque.
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A = Commercial torque gauge, 0-600 Ncm (0-53 in lb)
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Lubricate bearing with gear oil.
These friction torques should be set
Note: When the gear set is being adjusted, perform the pinion adjustment and check setting: refer to "Pinion, Adjusting".
Adjusting Backlash
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Pinion installed with shims S3 and S4.
Differential:
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Install Stotal (S1 plus S2) in transmission housing.
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Rotate differential several times in both directions so that tapered roller bearings can settle.
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Install measuring tools.
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Use dial indicator extension VW 382 (6 mm plane).
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Set measuring lever VW 388 to dimension -a- for ring gear For ring gear diameter or 170 mm, dimension -a- = 67 mm