wheel vibration on 2004 Cadillac DeVille

I own a 2004 Cadillac Deville and at 45 mph i being to experience a vibration in the wheel, i feel it in the steering wheel and in the gas pedal. the problem gets worst as speed increases and i notice that other cars move away or back off away from me. I have changed my tire rods, rotors, my air shocks, and recently within 1 year replaced my tires. I have taken it to the dealership and they continue to tell me that everything is tight, but i still experience the same problem

by in Newport News, VA on May 29, 2012
1 answer
ANSWER by on October 19, 2013
I think it has to be out of ballance.
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i have i vibration that hits at 42 and gets worse until 65, ive replace all suspension parts except the rack, and stab link, ive gotten tires balance switch tires i can figure it out?
I own a 2004 Cadillac Deville and at 45 mph i being to experience a vibration in the wheel, i feel it in the steering wheel and in the gas pedal. the problem gets worst as speed increases and i not...