Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
Disassembling
– Mark position of ball hub to ball cage and to housing before
disassembling, using electro-writer or grindstone.
– Swivel the ball hub and ball cage.
– Remove the balls one after the other.
– Lift out cage with hub.
– Swing segment of hub into window of cage.
– Fold hub out from cage.
The balls of each joint belong to one tolerance group. Check stub
axle, hub, cage and balls for small depressions (pitting build-up)
and chafing. Excessive circumferential backlash in joint makes
itself noticed via tip-in shock, in such cases joint should be re‐
placed. Flattening and running marks of balls are no reason to
replace joint.
Assembling
– Insert cage with hub into joint body.
– Note shoulder on inner diameter of ball hub. This must point
to drive axle when installing.
– Press in opposing balls in sequence, during this, previous po‐
sition of ball hub to ball cage and to joint body must be
established again.
– Press half of the grease into the joint body.
– Distribute remaining grease in cover.
– Install inner CV joint, refer to
⇒ “7.6 Drive Axle, Bolted Inner Joint, Servicing”, page 192 .
7.8 Drive Axle, Bolted Inner Joint Overview
Audi Q7 2007 ➤
Suspension, Wheels, Steering - Edition 01.2014
7. Drive Axle 193
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