A8L V8-4.2L (BFM) (2004)
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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 the ball - arrows -.
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Check the joint piece, ball hub, ball cage and balls for small broken off depressions (pitting buildup) and chafing.
‹› Excessive circumferential backlash in 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 the two chamfers. The installation position is random. Press the balls into the cage.