2008 Pontiac Grand Prix 6 cyl Two Wheel Drive 55000 miles
I have an 08 Pontiac Grand Prix w/ 55000 miles. I have this slight shaking of the steering wheel at any speed over 30 mph. The vibration happens in a repetition on the highway where it shakes, stops, shakes again and so forth. It is more pronounced on the highway when I head into a curve. I have also had it road tested, balanced and aligned at three shops without correcting the problem. The mechanics don't know what it is at this point. Please help me out since I am at a loss on what to do at this point. TH
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Tuesday, April 27th, 2010 AT 11:09 AM