A8 Quattro Sedan V8-4.2L (BGK) (2006)
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Clean drive pinion nut and threads on drive pinion of oil and grease residues. Thinly coat threads with locking fluid D 000 600.
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Thread on existing securing nut and tighten as far as original marking.
Note:
The number of turns when threading the nut on must be the same as when removing the nut.
Check dimension "a" and dimension "b"
Note:
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Seal -1- must be installed when measuring.
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The hex nut must be exactly on the marked position again.
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Maximum deviation from the original measurement: ± 0.3 mm.
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Secure hex nut in position.
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Position final drive in installation position again.
Secure final drive to support bracket as follows:
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Thread in bolts -A- and -B- hand-tight (support bracket should be in full contact with final drive). Then tighten bolt -A- and bolts -B- (in that
order) using a torque wrench.
If the position of the driveshaft in relation to the driveshaft flange was marked before removal, re-install driveshaft in same position.
If there was a factory marking on the driveshaft, measure the radial run-out at the driveshaft flange on the final drive. Install the driveshaft so that the