A8 Quattro Sedan V8-4.2L (AUX) (2001)
Seals and Gaskets: Service and Repair
Sealing Ring For Drive Shaft Output Flange, Replacing
The following special tool is necessary for this work:
3402 - Thrust piece
Removing
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Disconnect left and right three way catalytic converters from rear exhaust system and press both three way catalytic converters apart.
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Remove heat shield for drive shaft.
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Remove drive shaft from drive flange.
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Place drain pan underneath distributor gear to catch fluid.
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Drain fluid from distributor gear.
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Unscrew output flange.
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Counter-hold output flange with mandrel to keep it from turning.
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Remove pinion flange by hand; loosen with two installation tools if necessary.
Note:
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When prying the drive flange off, do not damage the collar on the transmission housing.