JK Death wobble.wmv
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Uploader Comments (TacticalRaptor)
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All Comments (5)
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This was a FANTASTIC capture of death wobble. Great post!
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It's not bushings. It is steering geometry out of alignment. Happens all the time on lifted vehicles. Your drag-link and track-bar are not parallel. When the suspension moves up & down it pushes and pulls on the wheels. Death wobble is the result when this energy bounces back and forth. Correct your steering geometry with an adjustable track-bar or a track bar relocation bracket. Sometimes also need a drop-pitman arm.
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check your track bar.
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The Traction control, ABS, and EBS lights all came on. I replaced the drivers side unit hub with a timken unit ( $83 shipped from Rockauto.com) and that took care of the lights and the shimmy 100%. I had checked this unit hub before and even when I removed it it felt tight, so it's very difficult to tell if they are bad and it doesn't take much to cause DW. Hope this helped someone who may be having DW issues with their JK.
TacticalRaptor 9 months ago
It wasn't the track bar after all. I replaced the stock bar with a HD Rock Krawler adjustable track bar and the problem persisted. The drag link and track bar are parallel, it's hard to see that in this video b/c the stock bar has a bend in it to clear the diff, so it looks like it's out of line but it's not, if you drew a straight line from mounting points of both the drag link and track bar you would see that they are parallel.
Putting larger (33") tires with stiffer sidewalls helped.
TacticalRaptor 9 months ago