A8 Quattro Sedan V8-4.2L (BVJ) (2008)
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Allow escaping oil to drain into the (V.A.G 1782).
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Slowly and carefully remove the cover together with self-locking center differential from transmission.
Installing
‹› Install a new ball bearing if the self-locking center differential is replaced.
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Install the ball bearing - 2 - all the way onto the self-locking center differential - 1 - under shop press with (3350).
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Press bearing race - 1 - as far as stop into front final drive intermediate flange.
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Check installation depth of bearing race with a depth gauge.
‹› - a - = approximately 9 mm
If dimension - a - is noticeably smaller, the bearing race has slipped.
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Remove bearing race and check it for correct installation position.