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The Water Cooler
General Discussion
Jeep TJ Death Wobble
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<blockquote data-quote="HKP7M13" data-source="post: 3972655" data-attributes="member: 5194"><p>One other place to look for the cause of death wobble is the steering gear. Some times the wobble is caused by the steering system low on ps oil causing air to mix with the ps oil and foaming up. The air is compressible causing the steering control valve to self oscillate. I have seen very high mileage steering gears have wear in the pin hole in the top of the control valve where it holds the torsion shaft so that there is slack that can not be adjusted out. When this happens the steering is super light with no resistance. As others have mentioned any excess movement especially in the track bar with give you a problem. new bushings in the track bar may not help if they are not stiff enough. On my wj the slip in urethane replacement track bar bushings did not help. Used the factory press in rubber bushings and that removed the side to side slack. Properly balanced tires are also very important. Make sure the wheels have no bends or large dents causing the tire to not run true.</p><p>warped brake rotors can get the shake started with hard braking.</p><p>If it does not work hit it with a big hammer, if it breaks it should have been replaced anyway.</p></blockquote><p></p>
[QUOTE="HKP7M13, post: 3972655, member: 5194"] One other place to look for the cause of death wobble is the steering gear. Some times the wobble is caused by the steering system low on ps oil causing air to mix with the ps oil and foaming up. The air is compressible causing the steering control valve to self oscillate. I have seen very high mileage steering gears have wear in the pin hole in the top of the control valve where it holds the torsion shaft so that there is slack that can not be adjusted out. When this happens the steering is super light with no resistance. As others have mentioned any excess movement especially in the track bar with give you a problem. new bushings in the track bar may not help if they are not stiff enough. On my wj the slip in urethane replacement track bar bushings did not help. Used the factory press in rubber bushings and that removed the side to side slack. Properly balanced tires are also very important. Make sure the wheels have no bends or large dents causing the tire to not run true. warped brake rotors can get the shake started with hard braking. If it does not work hit it with a big hammer, if it breaks it should have been replaced anyway. [/QUOTE]
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Jeep TJ Death Wobble
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