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Old 12-06-2010, 09:43 PM   #1
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What the hell is it now

So I drove the TJ this morning into work,28 miles to and back total 56 miles .On the way home the jeep started having a bad jerking in the rear when I would let off the gass and when I would hit the gas,what the hell??Has anyone been thru this.

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Old 12-06-2010, 09:47 PM   #2
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jerking? like vibration?

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Old 12-06-2010, 09:54 PM   #3
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No like it will jerk to one side in the rear,scared the shit out of me and it did it for about the last 10 miles.Its when I hit the gas and when I let off the gas.
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Old 12-06-2010, 09:56 PM   #4
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Cracked control arm
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Old 12-06-2010, 10:04 PM   #5
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Cracked control arm?Have you had this happen to you?
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Old 12-06-2010, 10:59 PM   #6
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Nope. Check em out though.
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Old 12-10-2010, 11:47 PM   #7
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What did you find?
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Old 12-10-2010, 11:51 PM   #8
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Or a broken trac bar? Definitely a possibility
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Old 12-11-2010, 05:11 AM   #9
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Best bet is to check under the jeep and visually inspect everything(flashlight helps) and make sure nothing is loose. Make sure the driveshafts and U-joints dont have too much give besides twisting a tiny bit. Make sure nothing like your axle or transfercase are leaking. If everything looks fine the problem may require some more detail to diagnose.
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Old 12-11-2010, 05:45 AM   #10
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I've been saying that phrase a lot more lately.

C.
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Old 12-11-2010, 08:01 AM   #11
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Mine does the same thing. I replaced the rear track bar bushings because they looked pretty worn, it helped but didnt totally fix it.
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Old 12-11-2010, 08:18 PM   #12
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This describes the same symptoms as when I was going to michigan in the summer....Anytime I would hit the gas the rear end would dip down to the left and when I let off the gas it felt like I was lifting as sliding to the right....Turns out when we installed my lift my buddy loosened the rear trailing arm (I think its the same thing as a control are) and the bolt came loose and fell out. Once I went to a little po-dunk shop and gave them $20 they threw a new bolt in it for me and its been fine ever since. Hope this helps.

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