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Old 12-07-2011, 03:06 PM   #1
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rear end viberation

TJ Wrangler rear in vibration and noise. I checked drive line and put it up on stands turned wheels all seems OK. I've checked it rolling in neutral and the problem is still there almost feels like rear end is dragging but when moving at any speed it doesn't slow down. Any Ideas?

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Old 12-07-2011, 03:53 PM   #2
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Was this always the case or did something change?

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Edit: "Now jeepin in Oregon"
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Old 12-07-2011, 05:32 PM   #3
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Sounds like a worn U join or wrong pinon angle. Could also be a bad wheel bearing. Is there enough fluid in the diff? Try putting the rear on stands. Try to wiggle each tire up, down, side to side. Spin each tire in both direction. Do they spin freely? If this is all good remove the rear drive line, plug the slip yoke, and drive in 4H. Is the vibration still there?
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Old 12-07-2011, 09:27 PM   #4
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Originally Posted by banks316 View Post
Sounds like a worn U join or wrong pinon angle. Could also be a bad wheel bearing. Is there enough fluid in the diff? Try putting the rear on stands. Try to wiggle each tire up, down, side to side. Spin each tire in both direction. Do they spin freely? If this is all good remove the rear drive line, plug the slip yoke, and drive in 4H. Is the vibration still there?
This
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Old 12-08-2011, 01:15 AM   #5
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Another thing to check is bushings. All of them if you got leafs check spring, and frame mounts. Coil spring set up check all the control arms, trac bar, and sway bar.
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Old 12-08-2011, 10:49 PM   #6
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Are you lifted? If so, how much? Could be lift related...
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Old 12-09-2011, 05:57 PM   #7
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U-Join and fluids OK... Lifted 6" --- Problem started around the time tire rotation was done, the tire have always made noise on the hwy. but nothing else has changed. I've had it up on stands and all seem OK
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Old 12-09-2011, 06:17 PM   #8
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Are your wheels balanced?
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1998 TJ Moss Green Sahara w/ numerous scratches & dents whose playground is on a tropical island that's 33 miles long and 4-12 miles wide, in year-round 82 degree weather

Edit: "Now jeepin in Oregon"
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Old 12-09-2011, 07:30 PM   #9
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If you rotate the wheels back and the problem goes away then its in the tires.
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Old 12-13-2011, 10:42 AM   #10
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Thanks for all the advise, I keep checking and found that my rear wheel rim was cracked. Never thought it would be that. Thanks again you kept me looking.
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Old 12-13-2011, 11:15 AM   #11
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1998 TJ Moss Green Sahara w/ numerous scratches & dents whose playground is on a tropical island that's 33 miles long and 4-12 miles wide, in year-round 82 degree weather

Edit: "Now jeepin in Oregon"
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