A8 Quattro Sedan V8-4.2L (AUX) (2001)
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Place end gauge VW 385/33 on pinion head.
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Remove master gauge VW 385/30 and install measuring bar in housing.
Centering washer for VW 385/3 faces final drive cover.
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Install final drive cover and tighten 4 bolts.
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Using sliding adjusting ring, turn 2nd centering washer far enough outward so that measuring bar can still be just turned by hand.
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Measure dimension "e."
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Turn measuring bar until dial indicator on end gauge on piston head runs out and maximum runout (reversing point) is displayed.
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Measurement is dimension "e" (red scale range)
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Example: 1.60 mm
Note:
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Dimension "e" is necessary for determining the thickness of shim "S3."
After removing the universal measuring bar:
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Check again to make sure dial indicator is on "O" with 2 mm preload, with gauge VW 385/30 installed; repeat measurement if necessary.
Backlash, Adjusting
Notes: