Front End Shaking - JeepForum.com

 
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post #1 of 13 Old 02-27-2014, 07:49 PM Thread Starter
nick_a20
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Front End Shaking

I have a 99 jeep wrangler sport. 3 inch lift with 33's on it. Every now and then when I get at about 40mph the jeep just starts shaking like there's not tomorrow. Any idea on what's causing it?

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post #2 of 13 Old 02-27-2014, 08:08 PM
COLOUXJ
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stuff on your steering and suspension up front is worn out. If its a very very violent shake that does not stop until the jeep stops its called death wobble.


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post #3 of 13 Old 02-27-2014, 08:36 PM Thread Starter
nick_a20
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Anything specific in the front? It doesn't stop till I slow down a good bit, about 10 mph. It's going to the shop tomorrow, getting new tires. Any way you could tell me before tomorrow so I can let them know?
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post #4 of 13 Old 02-28-2014, 08:09 AM
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Originally Posted by nick_a20 View Post
Anything specific in the front? It doesn't stop till I slow down a good bit, about 10 mph. It's going to the shop tomorrow, getting new tires. Any way you could tell me before tomorrow so I can let them know?
Go the TJ Tech section. Use the search function. There are thousands of threads about death wobble.

It can be one of many things. Best way to try to diagnose is dry steering test. If you search that term you'll find plenty of discussion.

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post #5 of 13 Old 02-28-2014, 08:25 AM
DoughBro
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I have the same problem. Every time it happens I tighten the lug nuts. For some reason my lugs loosen every few days but it stops my wobble until I can find a permanent solution.
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post #6 of 13 Old 02-28-2014, 04:51 PM
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I'm no expert, but I've had experience with death wobble (it happened all the time with my '06).

I don't know what shop you are going to--independent or a Jeep place, but if they want to simply replace the steering damper then expect it to be a temporary fix.

It could be a stabilizer bar, bad front u-joints, ball joints, etc. Death wobble is very hard to diagnose.

I finally got rid of my '06 because of it. I don't blame the Jeep itself. I blame the crappy roads here in Syracuse. The Jeep never went off road, but I was replacing front end components on a regular basis. And death wobble always kept appearing. Almost wrecked a few times because of it.

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post #7 of 13 Old 03-01-2014, 08:00 PM
jeepcreek
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I had the same problem, same speed - I came on here, read about the "death wobble" - freaked me out -

I just had a bad u-joint. My ex's uncle put a new one on, no problem since. But no lift on mine, just stock.

Also, I don't know jack about anything. It was her uncle who figured it out and fixed it for me. But it only cost $70, so cool.

But do I get a star for contributing anyway?
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post #8 of 13 Old 03-03-2014, 08:20 AM
dx9mike
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I had a bad shake that would set in at 60-65mph. I changed the front tires and the steering stabilizer and I'm all set now. Check the track bar too. Could be a combination of things. I just happen to find my specific combination. Yours could be different.
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post #9 of 13 Old 03-04-2014, 09:03 AM
DoughBro
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jeepcreek when you say u-joint what exactly are you referring to? the only u-joints I can think of right now are in the driveshaft. do you mean ball joints? You could be right and I could be wrong and that would explain why I can't fix my wobble haha
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post #10 of 13 Old 03-04-2014, 09:13 AM
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Originally Posted by DoughBro View Post
jeepcreek when you say u-joint what exactly are you referring to? the only u-joints I can think of right now are in the driveshaft. do you mean ball joints? You could be right and I could be wrong and that would explain why I can't fix my wobble haha
There are ujoints in your axle shafts also. Look inside the Cs behind your tires.

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post #11 of 13 Old 03-05-2014, 08:39 AM
DoughBro
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Yep, yall are right u joint number 26

http://www.jeep4x4center.com/jeep-ax...rangler-tj.htm
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post #12 of 13 Old 03-05-2014, 04:30 PM
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Glad you got it fixed and that's all it was. I was going through the front axle joints every couple years.

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post #13 of 13 Old 03-05-2014, 06:03 PM
jeepcreek
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Ha - I can't believe I was actually helpful here Very glad to hear you got her fixed up.

If anyone knows where to post other random tips - my a/c unit was doing the whole "meltdown" bit because of the crappy wiring. Anyway, if you replace it, you just keep getting more crappy wiring that tries to melt the head again - so the solution is to toss in a fuse. That way the fuse blows (or melts), and you just put in another fuse or replace the whole melted trip fuse unit from the auto parts store.

Now, if anyone knew of a FIX to the stupid bearings that are plaguing the TJ 4.0L engines without having to replace the whole thing. Wish they had one of those DaVinci laser medical surgery things that could just go in there - you could type in "Chrysler SUCKS!!!!" and it would just fix what they did to screw up one of the most reliable workhorse engines ever. I would be interested to know HOW they screwed that up - was metal too expensive, so they used whatever marbles were lying around? (Guessing that's what bearings are?) Just sucks my poor Jeep is struggling to keep oil pressure, and sucks worse how much it's gonna cost me to replace the engine over something that stupid.
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