S5 Quattro Coupe V8-4.2L (CAUA) (2009)
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Replace O-ring - arrow -.
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Insert differential into transmission housing.
If tapered roller bearing outer race and the shim have fallen out of the front final drive cover:
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Lubricate the shim and tapered roller bearing outer race with gear oil and insert them into the front final drive cover as far as the stop.
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Tighten front final drive cover bolts => [ Front final drive cover - tightening specifications and sequence ] See: Differential/Service and Repair
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Install left flange shaft. Refer to => [ Left Flange Shaft ] See: Differential/Differential Output Shaft/Service and Repair/Left Flange Shaft.
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Install right flange shaft. Refer to => [ Right Flange Shaft ] See: Differential/Differential Output Shaft/Service and Repair/Right Flange Shaft.
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Axle oil, adding to transmission after repair. Refer to => [ Front Final Drive Gear Oil, Filling after Repair ] See: Differential/Differential Fluid -
A/T/Service and Repair/Front Final Drive Gear Oil, Filling after Repair.