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#727889 - September 17th 2017 2:27 pm 84 g20 bad vibration help  
Joined: Sep 2017
Posts: 4
hickman Offline
stranger
hickman  Offline
stranger

Joined: Sep 2017
Posts: 4
eastern washington
hey all. I have a 84 chevy g20 camper van. it vbrates real bad from 30mph to about 55, its def. coming from the drivline. i have checked the ujoints and they look fine. the carrier bearing has a little movement but not allot. I can tell there is some read drivline wobble from just behind the carrier bearing. any thoughts?

#727890 - September 17th 2017 3:07 pm Re: bad vibration help [Re: hickman]  
Joined: Jun 2010
Posts: 12,578
frscke1 Offline
frscke1  Offline


Joined: Jun 2010
Posts: 12,578
Van Diego California
I have a 2 pc drive shaft also & the carrier bearing needs to be tight.

Drive shaft unbalanced ?

All u-joints LOOK fine .... When was the last time you changed them ?



When you change gears does it go CLUN CLUNK....that is a sign of a bad u-joint.

It / they may still be the culprit ... how long has the veh been sitting ?

Last edited by frscke1; September 17th 2017 6:34 pm.

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#728592 - October 06th 2017 2:28 pm 84 g20 bad vibration  
Joined: Sep 2017
Posts: 4
hickman Offline
stranger
hickman  Offline
stranger

Joined: Sep 2017
Posts: 4
eastern washington
hi all, I have a 84 g20 camper van that has a real bad vibration from about 35mph to about 50mph. ive checked tires, replaced ujoints and carrier bearing and still have the vibration. just wondering if anyone might have had this problem in the past? any ideas?
thanks

#728607 - October 06th 2017 7:58 pm Re: 84 g20 bad vibration [Re: hickman]  
Joined: Jan 2001
Posts: 1,848
Meanmachine Offline
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Meanmachine  Offline
veteran

Joined: Jan 2001
Posts: 1,848
Kellettville, PA
How old are the tires, bad tires will give a thumping sound, similar to a bad u-joint, or a brake could be holding up.


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