A bent wheel will not be intermittent, and you'll feel it in the seat, not the steering wheel, if it's in the back. Take it to a shop that specializes in suspension and alignment. They will perform a thorough inspection and recheck the alignment. If "caster" is too high, the steering will have an exaggerated response to road bumps, will require higher steering effort, and will return too fast after a turn. The fast return is related to "overshooting" center causing the wheels to oscillate back and forth. If your truck has a conventional steering system, (not rack and pinion), a missing or defective steering damper will cause the shaking.
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Tuesday, April 7th, 2009 AT 12:59 PM