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Old September 22nd 05, 10:08 PM
Dan Beaton
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) writes:
> I forgot to add that the rear tires were replaced about 3K ago becase
> of uneven wear.
> The tires showed signs of cupping!
>



A cupped tire isn't round and will definitely vibrate. However, a tire
that vibrates is likely to cup. (Sounds like Catch 22.)

Was there any suggestion as to why the tires were cupped? Are they rotated
regularly? (Rotation every 5,000 miles or so will reduce cupping.)
Is the rear suspension in good shape? No worn shocks? Has the car been
in an accident, or have one of the wheels hit a curb? Are the rear
wheels tracking true?

If the cupping was caused by vibration, it sounds like the problem was
never fixed, and you may soon be due for another pair of rear tires.

Dan

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