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Old 04-16-2013, 09:37 AM   #1
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New Jeep Owner DEATH WOBBLE

Just bought a 97 TJ and am absolutely loving it! One problem, at about 45-50 mph I get death wobble. It has a 2.5 pro-comp suspension lift and is sitting on 33x12.50x15 mud terrains... I believe it has all the stock steering components what can I do to fix this!? Don't want it to get any worse

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Old 04-16-2013, 09:44 AM   #2
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Check the trac bar bolts, make sure they are tight, check for wear in the tie rod ends, and check the control arm bolts and make sure they are tight. Replace any worn tie rod ends and bushings.

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Old 04-16-2013, 10:37 AM   #3
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Originally Posted by BPerez23 View Post
Just bought a 97 TJ and am absolutely loving it! One problem, at about 45-50 mph I get death wobble. It has a 2.5 pro-comp suspension lift and is sitting on 33x12.50x15 mud terrains... I believe it has all the stock steering components what can I do to fix this!? Don't want it to get any worse

I will ask, per the STICKY is is actually "Death Wobble" or just a wobble in the steering wheel that goes away above and below 45-50?

Death Wobble once it starts will just about rip the steering wheel out of your hands and will not stop until the vehicle stops.

Wranglers are sensiteve to wheel balance around 45-55 mph and may exibit a wobble within that speed range.
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Old 04-16-2013, 10:49 AM   #4
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I will ask, per the STICKY is is actually "Death Wobble" or just a wobble in the steering wheel that goes away above and below 45-50?

Death Wobble once it starts will just about rip the steering wheel out of your hands and will not stop until the vehicle stops.

Wranglers are sensiteve to wheel balance around 45-55 mph and may exibit a wobble within that speed range.
Not all the time. On my old YJ I would get the wobble at about those speeds that would go away above 55mph. Tires were balanced perfectly. The tie rod ends were just getting worn out. I replaced 'em and the problem went away.
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Old 04-16-2013, 10:59 AM   #5
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Does it happen when you hit a bump as well?

I had DW due to a loose axle side TB bolt that wasn't speed sensitive, just bump sensitive. And I had to literally bring it to 5mph or less to get it to stop. There's no way in heck I would've sped up when that was happening. Are you absolutely positive it's DW or just a bad shimmy?
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Old 04-16-2013, 12:31 PM   #6
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Originally Posted by Neil F. View Post
I will ask, per the STICKY is is actually "Death Wobble" or just a wobble in the steering wheel that goes away above and below 45-50?

Death Wobble once it starts will just about rip the steering wheel out of your hands and will not stop until the vehicle stops.

Wranglers are sensiteve to wheel balance around 45-55 mph and may exibit a wobble within that speed range.
x2..Sounds like unbalanced tires vs. true DW. Find a tire shop that is experienced in balancing 33" Mud terrains.
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Old 04-16-2013, 12:54 PM   #7
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I
Death Wobble once it starts will just about rip the steering wheel out of your hands and will not stop until the vehicle stops.
X3...If you have true death wobble, the LAST thing you'll do is speed up to see if it goes away...!
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Old 04-16-2013, 01:12 PM   #8
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Make sure your pitman arm is not loose aswell. I have had DW because of this.
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Old 04-16-2013, 01:14 PM   #9
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Have you read the Death Wobble 'sticky' FAQ thread near the top of the forum's list of threads? It is a rather long/in-depth coverage of DW & its various causes & fixes.
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Old 04-16-2013, 01:23 PM   #10
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Quote:
Originally Posted by BPerez23
Just bought a 97 TJ and am absolutely loving it! One problem, at about 45-50 mph I get death wobble. It has a 2.5 pro-comp suspension lift and is sitting on 33x12.50x15 mud terrains... I believe it has all the stock steering components what can I do to fix this!? Don't want it to get any worse
If you think it could actually get worse, it's probably not death wobble.
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Old 04-16-2013, 01:30 PM   #11
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If you think it could actually get worse, it's probably not death wobble.
X2. True fully developed DW is so unbelievably violent that I doubt anyone could imagine it getting any worse.
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Old 04-16-2013, 04:42 PM   #12
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It doesn't feel like "the jeep is falling apart" but it's a pretty bad shimmy and doesn't go away at higher speeds. Also all the bolts look tight, what about replacing the brackets on the control arm with thicker ones?
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Old 04-16-2013, 04:43 PM   #13
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Also thanks for the good responses glad to be a Jeeper!
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Old 04-16-2013, 05:04 PM   #14
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Well if you feel like it's not rattling the jeep to pieces then it's not probably not DW. Have the tires rebalanced and get an alignment. Then see if it's still there and if it is go from there. That's what I'd do in your situation at least.
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Old 04-16-2013, 05:05 PM   #15
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It doesn't feel like "the jeep is falling apart" but it's a pretty bad shimmy and doesn't go away at higher speeds. Also all the bolts look tight, what about replacing the brackets on the control arm with thicker ones?
I wouldn't start throwing parts at it until you have an idea of what is going on. I would first check toe in, and crawl underneath and watch and feel steering components while someone else slightly turns the steering wheel back and forth. Pay particular attention to the track bar ends and the tie rod ends. Then jack up each front wheel and see if there is any play in the ball joints. If the tow in is within specs and the front end parts are tight, I would concentrate on wheels and tires...make sure they are all balanced and maybe swap them front to back and see if you still have the same issues.
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Old 04-16-2013, 07:32 PM   #16
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Watch this and see if this is what you feel. Plus listen to how the rattle sounds at the end of the vid.

http://youtu.be/vwiv23dLhMY

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