VIBRATION

  • Tiny
  • rmuzio
  • 1999 GMC Safari
  • 6 CYL
  • 2WD
  • automatic
  • 140,000 miles

My 1999 GMC Safari 2wd has a vibration I cannot find. At 65 plus MPH vibration felt in seat, go's away when I let off accelerator. Wheels balanced, bearings checked, drive shaft balanced.

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Wednesday, May 4th, 2011 AT 11:22 PM

1 Reply

  • Tiny
  • Wrenchtech
  • Expert
  • 20,272 posts

If it goes away when you are off the throttle, then it's coming from something in the driveline. Check the driveshaft, u-joints, differential and trans tailshaft bearings.

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Thursday, May 5th, 2011 AT 12:46 AM

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