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Old 02-19-2013, 09:02 PM   #1
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Question Control Arms

Is it better to just replace the control arms with new adjustable ones OR is replacing the bushings with poly ones just as good?

My rear end moves/shifts some when I turn and I swear its the rear control arm bushings worn out. Any thoughts??

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Old 02-19-2013, 09:20 PM   #2
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From what I've read, its not the best idea to have poly bushings in the control arms. (I was looking at changing all my stock ones).
Do you have a lift that requires adjustable control arms? If not stock replacemens are quite cheap.
Have you checked your rear track bar for play or lose bolts?

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Old 02-19-2013, 09:30 PM   #3
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IMO, it depends on where you plan on going with your Jeep. Are you building it up for offroading, or keeping it stock? Adjustables always come in handy when lifting, but not much use if it stays at stock height. Have you check other things like your swaybar, links and trackbar? I snapped both rear uppers years back when my Jeep was stock and I just replaced the arms with stockers since i had no plans on lifting at the time.
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Old 02-19-2013, 09:34 PM   #4
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I'd replace the rubber bushings with more rubber bushings, polyurethane bushings will just squeak & transmit more vibration. The factory control arms are actually a very good design with a novel way of allowing the axle to flex quite a bit, their shortcomings only come to light once you get to a tall enough suspension lift. In fact, they actually work better for offroading than some aftermarket control arms do. Really.
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Old 02-20-2013, 11:33 AM   #5
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Quote:
Originally Posted by Shark_13 View Post
From what I've read, its not the best idea to have poly bushings in the control arms. (I was looking at changing all my stock ones).
Do you have a lift that requires adjustable control arms? If not stock replacemens are quite cheap.
Have you checked your rear track bar for play or lose bolts?

No, I haven't checked my rear track bar for play. Guess I need to research that.
I have a 4" CompPro lift with 35" CompPro AT tires.
I put adjustable lower control arms on the front awhile back to fix a DW I was getting at 40mph.
I just figured my rear bushing in my arms are worn out or something.
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