RS 4 Quattro Cabriolet V8-4.2L (BNS) (2008)
Constant Velocity Joint: Testing and Inspection
Front Drive Axle With 108 mm Dia. Inner Constant Velocity Joint
Inner constant velocity (CV) joint, checking
In order to replace grease in case of strong soiling, joint must be disassembled and if journal surfaces and balls must be checked for wear and damage.
Disassembling
Note:
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Ball hub and joint are paired and should be identified before removal. Do not interchange cage allocation.
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Swing ball hub and ball cage and pull out of joint in direction of - arrow -.
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Press balls out of cage.
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Flip out ball hub from ball cage via running path of ball - arrows -.
Checking
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Check joint housing, ball hub, ball cage and balls for indentations (pitting) and signs of seizure.
Note:
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Excessive backlash in the joint will cause knocking or jolts under load change. In such cases the joint must be replaced. Flattening and running
marks of balls are no reason to replace joint.
Assembling