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death wobble

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Old Mar 22, 2012 | 10:22 PM
  #1  
johnnylimitedcherokee's Avatar
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Default death wobble

does anybody know how to get rid of the death wobble in my cherokee XJ i changed the tie rod end steering stablizer track bar tires and wheel alignment ment i dont know what else to do beside the ball joints and check the bolt on the steerings box cuz i was told they are known for coming loose. please can someone help me
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Old Mar 22, 2012 | 10:27 PM
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From: Seal Beach, CA
Year: 1996
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Ball joints are a good plan. Then after doing that, get an alignment. Play in the steering box could definitely could definitely cause it too
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Old Mar 22, 2012 | 10:55 PM
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I heard Congress is looking into the Death Wobble. They can take my jeep from my cold dead hands.
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Old Mar 22, 2012 | 10:58 PM
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Originally Posted by Hammbone
I heard Congress is looking into the Death Wobble. They can take my jeep from my cold dead hands.
X2
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Old Mar 22, 2012 | 11:01 PM
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im seriously lost on it idk what too do it that doesnt fix it if it doesnt fix it im jus gonna park it nd possibly buy another one or get the chevy ZR2 blazer i want
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Old Mar 22, 2012 | 11:10 PM
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From: St. George Utah
Year: 1989
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Engine: 4.0L Rebuilt Renix "Low Output" haha
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Check the control arm bushings. Also the steering shaft sometimes works its way loose. Try tightening that as well.
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Old Mar 22, 2012 | 11:14 PM
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if i cant find he problem im jus gonna park it and gut it my dad has a 1992 comanche so he could use parts from it and so could my 2 buddies with cherokees
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Old Mar 22, 2012 | 11:38 PM
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Have you unloaded the suspension and looked for loose components? Get the front end off the ground and support the chassis at the frame rails so the suspension hangs freely then get under there and start jiggling things. You may find that you've got a worn bushing in one of your control arms or a floppy ball joint, bad bearing, broken shock mount, or any one of a hundred things that could cause Death Wobble.
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Old Mar 23, 2012 | 06:18 AM
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Originally Posted by F1Addict
Have you unloaded the suspension and looked for loose components? Get the front end off the ground and support the chassis at the frame rails so the suspension hangs freely then get under there and start jiggling things. You may find that you've got a worn bushing in one of your control arms or a floppy ball joint, bad bearing, broken shock mount, or any one of a hundred things that could cause Death Wobble.
Very good advice. Best to have the suspension "unloaded" and get under it and really perform a very comprehensive inspection of every part for play.

Here is my regular schpiel on death wobble.
-------------------------------------------------------
My understanding of “death wobble” is this. Somewhere in the vehicle, one or more components is worn beyond tolerances, and when oscillation initiates from a suspension “traumatic” event (hitting a bump or a pothole) or also when a vibration reaches a certain point and harmonic at a certain speed, it causes the other components to react. This is called the “multiplier effect”, where one component affects one or more other components as the event travels through the front end of the vehicle.

Death wobble is not uncommon with the XJ. It is even more common with a lifted XJ. Finding the worn component or components is not always easy. It can sometimes be downright difficult. Sometimes it’s obvious, other times everything appears to be okay when you perform an inspection on a hoist, but getting the vehicle up in the air and going over everything with a fine tough comb is always a good first step. It is very helpful if you know exactly how to perform a comprehensive inspection of every single front end part, looking for abnormal wear and or play in that hardware. If you do not know how to do this type of inspection, pay an experienced professional to do it. Be sure to ask them if they are familiar with “death wobble”, as not all technicians are versed in this…..

Check out the below link if you would like some extensive reading on “death wobble” causes and cures. From my research, Kevin (the author of this tutorial) is possibly the best in the business with tracking down root cause of death wobble. He does offer hardware for sale that can help resolve death wobble, but even if you don’t buy any parts from him, you can still get some excellent ideas on what to look at in resolving your death wobble.

http://www.kevinsoffroad.com/how-to-...-death-wobble/

Possible causes of death wobble are listed below. Isolating death wobble is a process of elimination and the root cause is not always obvious and it can often be caused by a combination of things! From my personal experience, I would first concentrate on the track bar and the control arms and associated bushings.
--------------------------------------------------------
-Front tires out of balance (try swapping fronts to rear; see if symptoms change)
-Tire pressure. Don’t laugh. It’s not a root cause but can exaggerate the problem. Experiment with lower tire pressure to see if it helps
-Improper lug nut torque on wheels
-Front alignment out of spec
-Loose track bar
-Worn track bar bushings
-Worn track bar (check for play!!)
-Bad control arms and associated bushings
-Worn/damaged steering stabilizer (not generally a cause in and by itself)
-Worn/damaged shocks
-Worn/damaged tie rod end
-Bad U Joint
-Bad ball joint
-Loose frame mount
-Steering box loose
-Bad front hub assembly
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Old Mar 26, 2012 | 12:32 PM
  #10  
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Year: 1997
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I was panicked with death wobble suddenly at 50mph. Fearing the worst, I headed for Les Schwab. It is winter here. They immediately said I had mud frozen inside the wheels throwing them severely out of balance.

They removed and cleaned all four, checked balance, reinstalled, and refused to accept one penny. Problem cured, and, I noticed, first on the possible list of problems above.
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