my gp is shimmying pretty bad. it usually start when i go into a turn and continue like that till i make another turn. i have checked all the tie rods in the front the wheel bearings and everything is as tight. the only thing that i have noticed is that when i am pushing the front tires at 3 & 9 there is some movement, but everything is moving including the strut. the other thing that i have noticed is that the rear driver side tire is pretty worn on the inside. could this wear be causing the shimmy? the car only has about 48,000 miles.