Cayenne Titanium (9PA) V8-4.5L (2006)
Wheel Bearing: Testing and Inspection
Eliminating noise/vibration symptoms - Procedure for eliminating noises and/or vibrations at the wheel bearing
General information
Symptoms
Noises/vibrations from around the front/rear axle.
Causes and remedial action
Noises/vibrations while driving may be caused by damaged wheel bearings at the front or rear axle.
In the event of a complaint, the noises/vibrations must be eliminated according to the specified procedure. The defective components may need to be
replaced.
Procedure for eliminating noises and/or vibrations at the wheel bearing
Information:
The test drive must be carried out on an even road surface, observing the road traffic regulations.
Information:
During the test drive, pay attention to the following information in order to localize the faults:
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Locating noise at front/rear axle, on left/right
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Noises when coasting, when steering in different speed ranges (possibly caused by wheel bearing)
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Pulsing brake pedal when operated, depending on speed
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Vibrations when braking (possibly caused by brake disc run-out or build-up on brake pad
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Wobbling steering wheel (possibly caused by wheels, brakes)
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Vibrations during acceleration (possibly caused by the drive shaft)