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Old 08-27-2011, 09:02 AM   #1
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Very bad shake in front end after hitting bump

I was driving my Jeep yesterday and hit a pretty large dip in the road at about 35-40 mph and the front end immediately started a pretty bad shake or wobble for a few seconds. I pulled over and did a quick check and everything seemed fine and secure. I continued home with no other problems, I even hit a few other small bumps, only on one side or the other though and it didn't have the same problem. When I got home and started checking the front end, I did notice the rubber bushings on the track bar and tie rod looked worn. Could this be the problem or does anyone have any other ideas? My wife drives the Jeep a lot and I don't want that to happen to her and I don't want the problem to get worse. Thanks for any help!!

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Old 08-27-2011, 07:08 PM   #2
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That's death wobble. Typically caused by worn suspension components or bad alignment.

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Old 09-02-2011, 05:20 PM   #3
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Thanks Chris, that's what I thought. It looks like the rubber seal on the driver side tie rod end is gone, i can twist the tie rod back and forth about a 1/8 inch or so(I assume this isn't normal), do you think this is the problem? I can't find anything else that's loose or needs replacing in the front end or suspension.
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Old 09-02-2011, 07:51 PM   #4
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tie rod will twist, quite normal. It's a ball/socket joint to allow it to move as the suspension works.

If you trust her. LOL! Have the wife start the jeep up, while you are under the front watching the track bar. See why you need to trust her? Sorry.

Anyhow, have her turn the steering back and forth. If you see the track bar moving AT ALL, at the frame mount, it's loose or the bushing is shot. Leading candidate for DW.
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Old 09-04-2011, 07:18 AM   #5
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Thanks Shelby. We are in North FL so right now we are having tropical storm rains but as soon as it stops we will go and check out the track bar for any movement at the frame. The driver side rubber seal is basically gone though on the tie rod end, would you go ahead and replace that as well? I think it was only $20 at the local auto parts store. Thanks again for your help.
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Old 09-04-2011, 08:46 AM   #6
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Marginal balance on a front wheel/tire can help cause a DW. Have a look at your tie rod up to the steering box. The stock TJ rod is marginal in strength . Grab it and flex it hard back and forth. Even if the end joints are tight, you'll see how easy the rod is to flex. Get a ZJ replacement if it is marginal. Take off your stabilizer and make sure it is functioning too.
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Old 09-04-2011, 09:18 AM   #7
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track bar, tire balance, wheel bearings, can all cause wobble
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Old 09-04-2011, 10:00 AM   #8
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Sorry-I ment the tie-rod link from the right side over to the left hub---The one to the steering box is quite stout!
Hope you can find the culprit.
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Old 09-04-2011, 10:23 AM   #9
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Sounds like bump steer to me. Mine started doing this and I found that the track bar was loose on the frame end.
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Old 09-04-2011, 01:26 PM   #10
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Thanks all! Will try to check all of the above in hopes to pinpoint the culprit.

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