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1988 chevy van drivetrain vibration

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New User

Apr 25, 2011, 1:32 PM

Post #1 of 2 (2872 views)
1988 chevy van drivetrain vibration Sign In

I have a 1988 G-20 Chevy Beauville van with a 350 engine. At about 30-35 mph the van seems to vibrate. It seems to be coming from the drivetrain. It has a two piece driveshaft with a carrier bearing between them. Any help with diagnosing this problem would be appreciated. Thanks!

Hammer Time
Ultimate Carjunky / Moderator
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Apr 25, 2011, 1:50 PM

Post #2 of 2 (2863 views)
Re: 1988 chevy van drivetrain vibration Sign In

That's something that takes a trained ear to recognize. The RPM of the driveshaft is 3 times the speed of the wheels so it can be recognized that way.


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