What would make a knocking noise while turning the steering wheel?

Tiny
JBASCOMFAMILY
  • 2006 FORD FREESTAR
  • 13,500 MILES

While driving, if we turn the steering wheel slightly, it doesn't make a noise. But if we do a full turn, whether to the left or to the right, it makes a knocking sound. What could be causing this?

Thank you!

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Thursday, September 8th, 2011 AT 12:49 AM

1 Reply

Tiny
CARADIODOC
  • EXPERT
  • 26,026 POSTS

The most common cause is binding upper strut mounts. Hold your fingertips lightly on the top of one of the front coil springs, then have a helper slowly turn the steering wheel. The springs should turn smoothly with the wheel. If you feel it wind up, then spring free and turn, the mounts are binding and must be replaced.

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Thursday, September 8th, 2011 AT 1:36 AM

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