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Old 03-12-2010, 03:56 PM   #1
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Death Wobble

Can anyone offer a suggestion? Here is the situation. Just replaced my stock tires on my 09 sahara with 32's and a 2" suspension lift. Had a front end alignment with the installation of the lift but getting a death wobble between 50 and 60 mph.

FYI: also bought a superchip and it makes quite a difference with the larger tires.

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Old 03-12-2010, 04:08 PM   #2
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Get a print out of the alignment...and review the caster settings.. I guess they will be below 3.7 degr..If so you need to install some lower adjustable control arms.. or a set of cam bolts (I don't recommend the latter)
Be sure your track bar mount bolts were taken loose at time they did the lift.. They have to be torqued to spec once the Jeep is ON THE GROUND with its weight on the suspension..A failure of doing this might twist/rotate the rubber bushing in the track bar and can shear the bounding.. This for sure will result into DW.
Be sure the tire balance was done very well.. You might consider Road Force balance..
These are starters.

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Old 03-12-2010, 09:59 PM   #3
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Check the torque on your lugs too... 100ftlbs, star pattern.
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Old 03-14-2010, 03:40 PM   #4
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thanks for the advice!!!
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Old 03-14-2010, 04:19 PM   #5
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x2 on the trackbar...make sure to re-tighten EVERYTHING!
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Old 03-14-2010, 05:00 PM   #6
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Did you install the lift, or did a shop do it? If it was a shop, I'd go back and complain, then have them fix it. Offer up the suggestions listed above, so they don't make the mistakes again.

If you did the lift, no worries. Building Jeeps is a learning experience.

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Yeah, I'd stop playing around with that. It looks expensive.
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