2CarPros - Car Questions & Answers

1999 GMC Safari Repair Question


Topics covered: Vibration, Differential, Driveshaft.
Mileage: 140,000 miles.

Asked on May 4, 2011

Vibration

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.
Avatar Asked by rmuzio

Answer

Replied on May 5, 2011

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.

Tiny Answered by Wrenchtech (expert)
14,742 answers provided