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Old 12-04-2013, 07:58 AM   #1
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4wd bouncing problem

So I bought my wrangler about 3 months ago and winters coming. So I've been using the 4wd more often. I noticed what seems like it'd be a serious problem. When in 4wd if I shift into reverse and try moving my car bounces and jerks around and it feels so terrible. Sometimes it feels like I have rocks stuck behind my car while reversing. I also have this same problem when I turn my wheel far enough when simply turning around a corner in 4wd. I talked to a couple of mechanics and got two different answers. One said it was the rear axle which could cost 3000 dollars to replace and the other said it could be the transfer case. I just wanted to see if any of you have had a similar experience and if there's any advice I can get to remedy this?

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Old 12-04-2013, 08:03 AM   #2
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I suggest you have the brakes examined first, to see if they are fully disengaging.

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Old 12-04-2013, 08:53 AM   #3
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Under what kind of conditions are you using your 4WD? Are you on loose slippery surfaces, or on dry pavement trying it out?
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Old 12-04-2013, 12:30 PM   #4
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I don't think it's the brakes because I've driven it in 2wd and never gotten the problem and i continually get this problem in both wet and dry conditions on concrete
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Old 12-04-2013, 02:35 PM   #5
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Does it do it when going strait or only when turning..also is the front axle open or locked?
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Old 12-04-2013, 05:40 PM   #6
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If you are driving on pavement in 4 wheel drive it is gonna jump around and tear something up.
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Old 12-04-2013, 05:49 PM   #7
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Quote:
Originally Posted by congoman32 View Post
I don't think it's the brakes because I've driven it in 2wd and never gotten the problem and i continually get this problem in both wet and dry conditions on concrete
Well there's your problem. Wrangler 4wd drivetrain has the front and rear axles locked together. When you turn your axles want to differentiate. 4wd prevents that, causing it to bind up and eventually cause bad things. Use 4hi/4lo ONLY when it is legitimately a slippery condition. Rain is not slippery. Packed snow is slippery, slush is slipper, mud is slippery. If you can see the pavement, 99% of the time you should avoid 4hi
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Old 12-04-2013, 06:07 PM   #8
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Guess I should have asked that first but I figured that was the obvious lol
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Old 12-04-2013, 08:30 PM   #9
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Originally Posted by CarolinaBound View Post
Well there's your problem. Wrangler 4wd drivetrain has the front and rear axles locked together. When you turn your axles want to differentiate. 4wd prevents that, causing it to bind up and eventually cause bad things. Use 4hi/4lo ONLY when it is legitimately a slippery condition. Rain is not slippery. Packed snow is slippery, slush is slipper, mud is slippery. If you can see the pavement, 99% of the time you should avoid 4hi
So am I not supposed to even reverse in 4wd? Cause that's when the bouncing thing is at it's worse?
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Old 12-04-2013, 08:52 PM   #10
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If the mechanic said its the rear axel, why does it only act up in 4wd?
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Old 12-04-2013, 09:32 PM   #11
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Originally Posted by congoman32 View Post
So am I not supposed to even reverse in 4wd? Cause that's when the bouncing thing is at it's worse?
You can do it all in 4wd, just be on a loose surface. Now that I read the post above me do you have axle issues? Your best bet would be to take a video of you driving it then another from the outside while someone else does.

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