Vibration hell -
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post #1 of 2 Old 01-08-2019, 03:04 PM Thread Starter
Ben Pihlcrantz
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Join Date: Jan 2019
Posts: 1
Vibration hell

Okay guys so I just bought a 2002 tj. Swapped out the 2.5" lift with a 4" lift. I've replaced the factory track bar with an adjustable. The lower control arms are a set length but I have adjustable uppers to install on front and rear. I've installed the included transfer case drop bracket. Other than a punctured brake line(My fault) i still have a pretty solid vibration. But I've had the rear driveshaft balanced and installed new u joints. Any clue to if these upper control arms will do the trick with pinion angle? I plan on getting a sye kit but can't at the time unfortunately I just need this vibe to go away til the money comes alone. Anyone here have the same issues?

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post #2 of 2 Old 01-08-2019, 06:15 PM
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I assume that you still have the stock slip yoke coming out of the TC. Did you adjust the rear pinion angle when you increased the lift? With a slip yoke (and a single u-joint at each end of the drive shaft), the rear angle should be the same as the front angle. But for 4”lift on a TJ, you will likely not be able to correct the vibes without an SYE and a double Cardin driveshaft.

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