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Old 03-21-2014, 12:17 PM   #62 (permalink)
wstar
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So, just to recap: the shimmy was present both on the old tires and on new tires mounted+balanced on the same rims, right? Basically, if it's not a mechanical bearing/hub issue from the stud install, one would expect a front-end shimmy to be a tire/wheel problem (damage, mfg defect, bad balance (weights fell off?)), so this all seems very strange.

If the tires/wheels are fine, you might try having an alignment shop look at everything while doing a realignment. Usually a front-end shimmy is not actually an alignment problem, but they might notice that some bushing or ball-joint somewhere is worn out and causing it, or some nut on some adjuster has come loose, etc. But maybe have a second shop rebalance the wheels first? It's usually like $40 tops to rebalance them all. Look for one with a Road Force machine (which normally isn't necessary, but might catch more-subtle issues).
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