Rear end hops on first acceleration. Coil Springs -
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post #1 of 4 Old 07-28-2010, 08:36 PM Thread Starter
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1998 TJ Wrangler 
Join Date: Mar 2009
Location: Santa Cruz
Posts: 19
Rear end hops on first acceleration. Coil Springs

This has been plaguing me for the last month now, every time i start off letting out the clutch on my jeep TJ Wrangler the rear end seems to hop. I recently did a v8 swap and had no problems but its been starting to get more noticeable. I have a Detroit Tru Track locker in the rear end also a 4 inch lift with a 1 inch body lift. I do not have a slip yoke eliminator which could be the problem but the Drive line isn't at to extreme of an angle. I went ahead and pulled the rear drive line and drove in 4 wheel drive around the neighborhood to see if the problem was in the clutch, etc.. but it only happens with the rear drive line hooked up. I also replaced the u joints in the rear drive line as well but to no avail. Any ideas guys? I am at a loss

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post #2 of 4 Old 07-28-2010, 08:39 PM
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1993 XJ Cherokee 
Join Date: Jul 2010
Location: fivesevenoh
Posts: 63
u might have play "broken/compressed etc. teeth" in your real diff.
just an idea.......
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post #3 of 4 Old 07-28-2010, 08:49 PM
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1998 TJ Wrangler 
Join Date: Feb 2009
Location: Bennington
Posts: 4,293
hook up your rear shaft and install a Tcase drop kit or add washers between your frame and skid. if your problem is u joint bind [which i think is your problem] this will tell you if it is or not.

after you drop the Tcase and drive around, if you dont have any vibes, then it is time for a SYE and CV shaft.
if you still have vibes, you have other problems.
give this a try and report back.

Mail crawling.
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post #4 of 4 Old 07-28-2010, 08:54 PM Thread Starter
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1998 TJ Wrangler 
Join Date: Mar 2009
Location: Santa Cruz
Posts: 19
Thanks for the quick replys. Ill look into these thanks
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rear , hops , vibrations , driveshaft , vibes

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