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vibration 20 40 mph

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Old 03-26-2007, 10:28 AM
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Default vibration 20 40 mph

i got a 01 gmc 1500 2wd 4.8 ext cab,from 20-40 it vibrates pretty good after that she smoothes out,any ideas,i changed out the center bearing and swapped to a diffrent set of wheels and tires still not better.
Old 03-26-2007, 11:52 AM
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Originally Posted by MARKSZ71
i got a 01 gmc 1500 2wd 4.8 ext cab,from 20-40 it vibrates pretty good after that she smoothes out,any ideas,i changed out the center bearing and swapped to a diffrent set of wheels and tires still not better.
Do you have 2" shackles? If so, you might need to get some shims to fix the pinion angle...
Old 03-26-2007, 04:26 PM
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get your tires rebalanced
Old 03-26-2007, 04:30 PM
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did that im gonna borrow a friends driveshaft and go from there,it still shakes like hell in neutral with the engine off.wish it was a one peace shaft instead of a two peace
Old 03-27-2007, 08:26 AM
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Originally Posted by WJ MARK
get your tires rebalanced
Road Force Balanced
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