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Stop-Bump on 2002 libery
http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=3&t=6078
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Author:  hsimon [ Wed Feb 22, 2006 8:43 pm ]
Post subject:  Stop-Bump on 2002 libery

Recently I have been experience the following trouble with my 02' liberty ltd.
When at a complete stop foot on the brake 10-30 seconds my jeep lurches foward as if I were hit from behind. The dealer thinks I'm crazy because it never happens when the test drive. This is true it has no set pattern as to when it happens. I have seen articles that refer to the slip yoke on the transfer case/ drive shaft. but these don't specify the 02' model year .

Can anyone shed some light on this issue?

ps.

No codes show up in the computer. Tuneup has been done and so has the trans fluid

Author:  Skyjump136 [ Wed Feb 22, 2006 8:54 pm ]
Post subject: 

Welcome to the forum! Here's the TSB on that issue. Show it to your dealer and you should be set. If you have issues in the future you can check the TSB and Warranty forum a little further down the page. It might just have been covered already.

http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?t=171

Author:  waddy whiteguts [ Wed Feb 22, 2006 10:20 pm ]
Post subject: 

Downshifting into 1st makes my 02 KJ lurch, as does jabbing at the steering wheel as I'm pulling into a parking spot. I've noticed that when I crank the wheel when stopped the power steering demand seems to require the KJ to kick up the idle speed. I'm used to it, the first few times surprised me though!

Author:  Jeepjeepster [ Thu Feb 23, 2006 12:24 pm ]
Post subject: 

Thats just the tranny downshifting into 1st. Try putting it into 1st right when you stop and see if it does it.

Author:  hsimon [ Thu Feb 23, 2006 12:29 pm ]
Post subject:  I don't by that

this has never been an issue. why would it just start to do this? I have just had the tranmission serviced 2 weeks ago and the problem has not gone away.

Author:  Skyjump136 [ Thu Feb 23, 2006 12:34 pm ]
Post subject: 

The TSB posted above updates the info the computer uses to control the transmission. Computers are flaky like that. I'd get the update before worrying about what else it could be. Very common issue with the older KJs (mine included).

Author:  hsimon [ Thu Feb 23, 2006 12:39 pm ]
Post subject: 

When i dropped it off at the dealer today the said that tsb was not related to my vin#
I insisted they check it as well as the slipyoke. I think what is goign to happen is that they will find nothing wrong and charge me 94 dollars

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