2004 GMC Safari Vibration

2004 GMC SAFARI
145,000 MILES • 6 CYL • 2WD • AUTOMATIC
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THEDRAGN1
  • MEMBER
  • 10 POSTS
My 2004 Safari vibrates terrible when above 50mph but not when accelerating, it's when you let go of the gas, it'll vibrate real bad. When it's above 60mph, It will vibrate all the time, because you can't accelerate fast enough to compensate. Although I've never gone fast enough, the faster above 50 you go, the worse it gets. It'll shake your teeth out and you can't see out of the mirrors. Also, when from 15-10mph, it kind of clunks in the rear and is real loud. Any ideas? Thank you, Justin.
May 6, 2008 at 9:31 PM
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MHPAUTOS
  • ASE Certified Mechanic
  • 31,937 POSTS
  • ASE Certified Mechanic
Hi there,

this will be a drive line issue, check the drive line for an out of balance issue and for out of round Tyres and bent rims.

Mark (mhpautos)
May 7, 2008 at 5:09 AM
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THEDRAGN1
  • MEMBER
  • 10 POSTS
I have since replaced the rims and tires with the correct ones, It did it before and after the replacement. Do you think this could be caused by a motor/trans mount? I also replaced the front rotors and pads. I never took the back one's off. They looked fine.
May 7, 2008 at 10:41 AM
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