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Old 12-29-2012, 09:46 AM   #1
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99 tj help -- new lift--

Installed a 3.5 lift on my jeep last night. Everything seemed fine till the ride in this morning. Hit a pot hole around 55mph and it felt like it was going to shake apart!.... Aka death wobble...i double checked everything befor i put the wheels back on....not sure were to start looking....

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Old 12-29-2012, 10:24 AM   #2
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Bumpsteer not death wobble. Trackbar is loose is the lucky problem.

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Old 12-29-2012, 10:31 AM   #3
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I would start by getting an alignment if you haven't already
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Old 12-29-2012, 10:47 AM   #4
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bumpsteer not death wobble. Trackbar is loose is the lucky problem.
huh? Whats the differnce between the to...? I had to drill a new mounting hole for it...
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Old 12-29-2012, 10:50 AM   #5
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Quote:
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Bumpsteer not death wobble. Trackbar is loose is the lucky problem.
Quote:
felt like it was going to shake apart!
That doesn't sound like bump steer.

To the OP, check your caster and toe in, if every component is tight.
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Old 12-29-2012, 11:03 AM   #6
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Is there any specs. I should go by for the lift when doin the alignmnet?
I know my steering wheel is way off center.
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Old 12-29-2012, 11:07 AM   #7
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Definitely should have check/corrected the toe in after the lift. I would have someone turn the wheel back/forth while you look underneath for loose play. Make sure the trackbar axle side is torqued to 55 ft/lbs for the stock bolt. Toe in specs is in the link and steering wheel fix is also in the link.

Here's a DIY alignment : http://www.4x4xplor.com/alignment.html
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Old 12-29-2012, 11:34 AM   #8
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Running stock tires (215/75r15) and wheel so it waiting for my 33" to come in... Could that aslo play into effect? (just thought of this)
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Old 12-29-2012, 11:45 AM   #9
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Although it may not look right, the tire size shouldn't have cause your issues .
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Old 12-29-2012, 11:49 AM   #10
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although it may not look right, the tire size shouldn't have cause your issues .
i got the lift and just couldnt wait for the tires.....well thats one thing i can check off the list of possibilities....
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Old 12-29-2012, 03:18 PM   #11
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Does not spund like bumpsteer to me either. My money is on DW. The first things to check and do: alignment, check the trackbar and mount on the axle side - there should be 0 sideways movement, loosen all 4 front control arms and torque them to spec.
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Old 12-29-2012, 04:14 PM   #12
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Since you drilled a new hole for the track bar, I assume you didn't get a new track bar. How did the bushing look on the stock track bar? That was the culprit to my death wobble. From the naked eye I thought my bushing was great but when I put new bushings in my death wobble stopped. I haven't had the death wobble since then.
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Old 12-29-2012, 04:23 PM   #13
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What lift? I think we need to make sure you installed a transfer case drop or motor mount lift
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Old 12-29-2012, 08:12 PM   #14
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It is most likely your toe in, if you haven't corrected it yet. A suspension lift will significantly change it. Get it aligned.
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Old 12-29-2012, 09:49 PM   #15
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Update---front track bar had play in it. Check torque of bolt and it wasn't tight enough so I re torqued it to spec. Loosened control arms and re- torqued them. Alignment is going to be done on Monday.
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Old 12-29-2012, 09:52 PM   #16
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I didn't have anything to break the bolts loose on the transfer case to put the drop kit on. Also goin on Monday.
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Old 12-30-2012, 08:33 AM   #17
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Dont waste your money on a front end alignment. You can very easily do this yourself by following the link above. I did mine by myself and it drives perfectly and other then my steering wheel being a little bit off which I will fix once there isnt 2 feet of snow on the ground. A loose front track bar would definitely cause a wobble so it sounds like you found the culprit!
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Old 12-30-2012, 09:25 AM   #18
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Dont waste your money on a front end alignment. You can very easily do this yourself by following the link above.
That's fine for toe in, but does nothing for resetting caster.
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Old 12-30-2012, 09:46 AM   #19
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I would spend the money and get a front adjustable track bar, and put it back in the factory location. My guess is your drilled hole will be a future issue as well. for the stock location make sure the hole is not out of round as well and perhaps sleeve the bolt if you can somehow to aid in it not deforming the holes.

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