Question about 1999 Jeep Wrangler

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Front end shimmy

The front end resonates while going down the road (on occasion, not constantly) and I just changed the steering damper 2 months ago. What else could it be?

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  • mtntrekker May 21, 2009

    I have the same problem. I get a violent shimmy at 55 mph there no shimmy at 50 or 60 just around 55 +-2 mph. When the shimmy starts if I slow below 50 it usually goes away.


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Sounds like you may have some large tires on the Jeep. Check the stabilizer rod that attaches to the frame and down to the front differential. It may be loose or have worn bushings. This would cause the front end to shake at times. You probably get this problem to go away by applying the brakes a little or slowing down quickly to a certain speed. If that is the case check the rod and bushings. Good luck.

Posted on Mar 09, 2009

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Shimmy in front end

Try greasing the Idler arm and Tie rod ends. The grease will take some of the play out and if the shimmy is gone then it's time to replace steering components. Common is the Idler and Pitmen arm that causes the shimmying.
If the shimmy is still there, then it's time for a front wheel alignment. As the suburban get's older, the suspension settles down lower each year and the geometry to the front steering system may need to be adjusted for that. On the 4X4 the ride height can be adjusted by turning the torsion bars to achieve the proper ride height again, as for the 2WD then it's going to be a coil spring replacement. 
The easy way out is to just adjust the front wheel alingment to compensate for the shimmying. ]
Good luck and hope this helps. Just make sure you find a font end person who knows what he or she is doing and not by what a machine is telling it to do. The tech must know that there must be an angel to the tie rod end so when you go over a bump you don't get what they call a bump steer where the truck will want to pull to one side.

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A good bump will make that jeep shimmy real bad If the steering damper is bad. If the damper has visible oil leak or has more the 20,000 miles on it-Replace it.

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