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-   -   Vibration Front end four wheel drive (http://www.wranglerforum.com/f282/vibration-front-end-four-wheel-drive-144809.html)

MMcGuire617 03-07-2012 01:54 PM

Vibration Front end four wheel drive
 
I replaced my u joints a few days ago becuase of a loud squeak I had. Sqeak is gone but now when i drop the jeep into 4 wheel drive, high or low, it makes this horrible thumping sound and vibration coming from the front end, I believe from the differential. Its fine in 2 wheel drive and when I put the jeep on a lift and put it in four wheel drive, there was no sound or vibration. The thumping and the vibration only happen in four wheel drive and only when i apply the gas, in four wheel just coasting its fine. Can you guys help

Dextreme 03-07-2012 02:13 PM

Did you replace the axle and driveshaft u-joints? Are you sure in installed the correct u-joints?

I would start by reinspecting your recent install, then go deeper...pull the diff cover and inspect teeth.

MMcGuire617 03-07-2012 04:09 PM

I replaced all the drive shaft u joints not the axle u joints, do you think they are not compatable?

Dextreme 03-07-2012 04:52 PM

Quote:

Originally Posted by MMcGuire617 (Post 2114437)
I replaced all the drive shaft u joints not the axle u joints, do you think they are not compatable?

I don't know what you installed. There are a few different one's available:
Search Results - Quadratec

MMcGuire617 03-08-2012 02:50 PM

Could it be a ring and pinion problem I'm sure I go the right u joints


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