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Which noise indicates a worn outer constant velocity joint?

  • A.A whining that rises with road speed and is present in a straight line as well as during any cornering manoeuvre
  • B.A knock over bumps
  • C.A rumbling that changes as the vehicle is steered from one side to the other while travelling at a constant speed
  • D.A clicking on full lock under power

Answer: D

The characteristic symptom is a rhythmic click when turning tightly under load, caused by worn ball tracks. A whine points to the gearbox or a bearing, and a rumble that changes with steering points to a wheel bearing. Each noise has its own diagnostic signature. Checking which component actually carries the load settles most questions of this kind at once. Naming what changes and what stays the same is the reliable route through questions of this shape.

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