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-   -   rear end, drive shaft question (http://www.jeepforum.com/forum/f9/rear-end-drive-shaft-question-2367073/)

kcmike 04-28-2014 01:12 PM

rear end, drive shaft question
 
stated having a vibration a few days ago, checked u-joints and everything fine there. took back tires off and checked out the shaft end play, about 1/16 in. rotated wheel hub and noticed drive shaft not turning, sometimes a little. I thought everything in there is geared. jeep has been driving good up until the vibration started. could the pin be worn or broke? thanks

biffgnar 04-28-2014 01:17 PM

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Unless you put things in neutral, your rear driveshaft is locked by the transmission/tc being in park. Presumably you had both tires in the air and the opposite wheel from the one you turned also turned.

kcmike 04-28-2014 01:39 PM

jeep is 5 spd. yes transmission is in neutral. yes the opposite tire turned.

biffgnar 04-28-2014 01:58 PM

22 Attachment(s)
Quote:

Originally Posted by kcmike (Post 22503841)
jeep is 5 spd. yes transmission is in neutral. yes the opposite tire turned.

If things are in neutral then have somebody hold that other tire still and then your driveshaft will turn when you turn the wheel.

kcmike 04-29-2014 08:02 AM

thanks, just thought things were different. read a few other posts and it didnt register at first.

XTJake 04-29-2014 11:04 AM

Quote:

Originally Posted by kcmike (Post 22503097)
stated having a vibration a few days ago, checked u-joints and everything fine there. took back tires off and checked out the shaft end play, about 1/16 in. rotated wheel hub and noticed drive shaft not turning, sometimes a little. I thought everything in there is geared. jeep has been driving good up until the vibration started. could the pin be worn or broke? thanks

As for the vibration, try removing one drive shaft at a time and test driving the Jeep. If the vib goes away, you know you your issue is with that drive shaft.

Try rotating you tires back to front. If the vibration changes or goes away, you can get your tires balanced. If none of that works you'll want to look at axle U-Joints? Hopefully you track down the issue with one of the first two suggestions. Good Luck and let me know if you have any questions!

-Ryan

kcmike 04-30-2014 09:01 AM

took drive shafts apart, u-joints looked good,no slop at all. rotated tires, found spare tire loose. tightened everything good. the spare tire being loose can really cause a good vibration. should there be any shaft end play in the rear axle?


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