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It sounds like you have wheel bearings that are worn. Raise vehicle and support. Try moving wheel with one hand at top and one at bottom of the wheel, pushing forward with top hand and pulling outward with bottom hand. If the wheel wobbles a bit, then the bearings are bad. Worn wheel bearings will also cause poor tire tread wear because the bearings are allowing the tire to lean inward or outward more than it should be.
While you are checking for bearings, you can also check ball joints. Simply use the same method as above, except this time place hands on left and right sides of wheel and then push in one side, pull out other side. If wobble is present, ball joints need replacing. This too can cause poor tire tread wear.
Hope this helps.
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Friday, December 5th, 2008 AT 7:38 PM