2002 Pontiac Grand Prix bad vibration

10,000 MILES • 6 CYL • FWD • AUTOMATIC
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DOWNUNDER47
  • MEMBER
  • 1 POST
hello and thank you for helping me... my problem is that when i get over 35 mph and accelerate it has a bad vibration in the front end if i let off the gas it quits..
Jan 4, 2010 at 1:22 AM
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MMPRINCE4000
  • ✓Experienced Mechanic
  • 8,548 POSTS
Check the motor mounts first, you may have a loose/broken/collapsed mount.

Then check the brake rotors for any warping, nut the fact that is dissapears when you take load off engine (release gas pedal) it sounds more like a mount.
Jan 5, 2010 at 10:37 PM
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