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Unread 07-15-2013, 05:16 PM   #1
dernjeep
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1995 ZJ 
 
Join Date: Dec 2012
Location: cincinnati, Ohio
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HELP!! Death Wobble! :(

Alright guys I'm stuck now, I've replaced literally everything except the ball joints and the driver hub on my 95 ZJ, and now I got the wobble. It used to happen over 70 but I mad adjustments and thought it was taken care of---- NOPE. Now I get the wobble really bad if i hit a bump just over 55. I REALLY don't think the problem is the ball joints and I know the bearing can't be bad. Any suggestions?.....or just help?

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Unread 07-15-2013, 05:36 PM   #2
WhiteOut
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Do a dry steering test. Can almost guarantee you'll find slop in the trackbar. Also, check the control arm bushings.
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Unread 07-15-2013, 05:36 PM   #3
Oldfrog
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Check your track bar and the frame side track bar mount for tightness.
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Unread 07-15-2013, 06:31 PM   #4
dernjeep
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Quote:
Originally Posted by Oldfrog View Post
Check your track bar and the frame side track bar mount for tightness.
I'll check that. My adjustable track bar I got had some pretty funky bushings/spacers. And I sure hope my control arm bushings are fine i spent $300 on new arms w/ bushings just for the front.
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Unread 07-16-2013, 02:21 AM   #5
HandsOn
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Anything funky with a trackbar is reason for suspicion and a thorough check.
And while you're at it, rotate one front tire to the back at a time and see if the manners, or timing of the wobble changes. Better still if it just would go away, but that's obviously not always the case.
However, it "can" be a bad tire.

Not to ignore all the other things of course, so especially do the test with a helper sawing the wheel back and forth while you watch all the components underneath. Make sure the full weight of the truck is on the ground so you get the most load. Look at everything from the trackbar mount to the frame around the steering box to anything in between.
But rotating tires is usually free. So it's an easy test as well.

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Unread 07-16-2013, 06:38 AM   #6
BCrawford64
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1997 ZJ 
 
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I vote alignment or ball joints. I mean, that's what I have left to do with mine as well. Well if the ball joint boots look fine and there is now play when the wheel is rocked top to bottom then I'd just go with an alignment.
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Unread 07-16-2013, 07:38 AM   #7
newfieZJ
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Quote:
Originally Posted by BCrawford64 View Post
Well if the ball joint boots look fine and there is no play when the wheel is rocked top to bottom then I'd just go with an alignment.
That's how you check wheel bearings .

Ball joints
-jack up axle as close to wheel as possible enough to get a pry bar under the wheel .
-put your hand on the tire at 12 , pry the bar up and down
you will feel any movement in the ball joints through your hand . If you feel play , have someone do it while you look at the ball joints to confirm where the play is .
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Unread 07-16-2013, 12:28 PM   #8
JohnnyZJ
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an alignment will do absolutely nothing to solve your problem and is a waste of money because when you finally replace the worn out part your jeep will probably be misaligned anyway.

as newfie said, balljoints are VERY easy to check. same with a hub. jack the wheel up. if theres any play or a slight clunk, replace.

make sure track bars nice and tight and joints are good. do the 'wiggle test' as mentioned. have a friend wiggle steering wheel back and forth; look for play in tie rods and track bar and control arms.
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