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Old 01-05-2014, 11:01 PM   #1
Join Date: Jul 2012
Location: Alabama
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u joint wobble dilemma

So I replaced all my steering linkage and did an alignment on my 05 Rubicon and my death wobble went away. Both TREs were worn also the other ball was worn fairly bad. I replaced the front Trac bar a little less than a year ago and the death wobble went away but came back about 6 months later. This is why I replaced the steering linkage. Now it came back yesterday with a vengeance. So I don't want to destroy anything and I can't go over 30 mph. I do have to replace both front U joints. Could they be the cause of the DW or should I replace the track bar again? Also I will replace the tires as these might be the problem. I was thinking that if the U joints were so worn that they may or may not get forced to one direction by centrifical force and cause a vibration that will lead to death wobble. Also I have a tiny bit of wheel bearing play. When I say tiny bit it is a tiny bit, I am a mechanic, but do not know much about death wobble even though I continue to read about it. So I am down to replacing the Trac bar u joints wheel bearings and tires. Then in theory the only other culprit would be the ball joints right?

It's a Jeep thing
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Old 01-05-2014, 11:30 PM   #2

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Balance the tires at a shop that balances over sized tires first. That will most likely take care of the problem if you have done all the other work in the past. #2 When you think you have fixed the problem go and remove the steering stabilizer and then see if you really took care of the problem. If it is fine with no steering stabilizer then yes you have fixed it so put it back on and just drive.

2000 Sahara, 3.5" Rubicon Express Lift, 1" spring spacer & 1" Body Lift, 33" or 35" BFG Mud tires, Front & Rear ARB, Rancho 9000 shocks, UCF Ultra High Belly Up

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Old 01-06-2014, 12:00 AM   #3
Join Date: Jul 2012
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I don't use a steering stabilizer right now precisely for that reason. It was completely gone for a few days and now its back horribly bad. I would like to say even worse than before. I am thinking about replacing the controll arm bushings and bolts just for good measure.
It's a Jeep thing
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Old 01-06-2014, 09:30 AM   #4
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Axle u-joints shouldn't contribute to DW, but if they were really bad could cause all kinds of vibration issues. Irregardless, if they are bad, they need to be changed. Check your front ball joints for play, and as doclouie suggested, get your tires balanced first.
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