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1990 jeep cherokee shifting problems

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Old 10-01-2010, 01:09 AM   #1
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Default 1990 jeep cherokee shifting problems

ok im new to the cherokees ive always had cjs but anyway my cherokee will not shift into 2nd till 4500 rpms. ive read in the forums of replacing the TPS and vaccum modulator, and the tranmission controler if you can please help me find locate these things and where should i start looking.

Also is there a way to unplug the dome courtsey lights they are staying on sometimes when i make sure all the doors are closed and toasting all my batteries i put on it. also at speed there is a god awful shake in the front end i noticed that the front passenger u joint is shot could that be the culpret and if so how hard is it to replace it.

if yall could give me some step by step instuctions on all this that would be great and some pics of where to locate these thing would be amazing

by the way its a 1990 cherokee 4 door with a 4.0
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Old 02-14-2011, 11:36 PM   #2
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Default wobble

more then likely the track bar -- if its what we call death wobble. then it track bar
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Old 02-14-2011, 11:44 PM   #3
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first check you tv cable for adjustment did wonders for my shifting problem
and the shake could be a number of thingsfront ball joints track bar or your tires could just be way outa balance.
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Old 02-15-2011, 07:37 AM   #4
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The throttle position sensor is located on the throttle body. It should be tested. If it fails, replace it; they are only about $40. A new one would require ADJUSTMENT as well.

Would be a good idea for you to buy a repair manual for this procedure, and for future repairs. Best money you can spend. Factory service manuals are best, then Chiltons. Haynes are the bottom of the totem pole for manuals.

Last edited by tjwalker; 02-15-2011 at 07:39 AM.
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