A8 Quattro Sedan V8-4.2L (BGK) (2006)
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Press out the ball joint housing in the - direction of the arrow -.
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Press the ball bearings out of the cage.
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Flip out the ball hub from the ball cage via the running path of ball bearing - arrows -.
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Check the joint piece, ball hub, ball cage and ball bearings for small broken off depressions (pitting buildup) and chafing.
‹› Excessive circumferential backlash in the joint makes itself noticed via tip-in shock. Joint must be replaced in such cases. Flattening and running
marks of balls are no reason to replace joint.
Assembling
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Insert the ball hub into the ball cage via two chamfers. The installation position is at random. Press the ball bearings into the cage.