01 cherokee 2wd transmission slipping and rpms going wild - JeepForum.com

 
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post #1 of 10 Old 06-18-2013, 12:02 PM Thread Starter
cbass23
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01 cherokee 2wd transmission slipping and rpms going wild

I changed my transmission fluid, filter, and gasket yesterday on 01 jeep cherokee 2wd for first time since buying it a year ago and previous owners regularly maintained. Worked perfect after i changed it yesterday, didnt slip at all until a few hours later and between first and second would slip a little but still worked well. Now this morning when I went to drive it a lot of the gears are sticking and my rpms shoot up all crazy when i barely tap on the gas. Someone please help cause i really dont wanna get a new tranny!!! Could it be a transmission output shaft speed sensor or a solenoid?

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post #2 of 10 Old 06-18-2013, 12:04 PM
xjdantheman
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could be the kick down cable??
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post #3 of 10 Old 06-18-2013, 12:28 PM
dave564
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What type of fluid did you put in? How much??

I am going to guess that it is an AW4 trans (rectangle pan with a drain plug). If so it calls for Dexron3/ Mercon compatible.

If your pan is like I described above, and you did use dex/merc fluid but put in too much, pull the drain plug and drain it all out. Then start by adding no more than 2.75 quarts OF NEW FLUID!!!

RUN,CHECK,ADD as needed...
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post #4 of 10 Old 06-18-2013, 01:14 PM Thread Starter
cbass23
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yes that is my pan but it dosent have a drain plug so i had to pull the whole pan. and can too much liquid be the problem? because i added 4 but i totally forgot about all the liquid still in the system
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post #5 of 10 Old 06-18-2013, 01:23 PM Thread Starter
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Quote:
Originally Posted by xjdantheman View Post
could be the kick down cable??
how do I know if the kickdown cable is bad? would it just be not connected or do they just go out over time?
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post #6 of 10 Old 06-18-2013, 04:11 PM
CJ7-Tim
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Quote:
Originally Posted by xjdantheman View Post
could be the kick down cable??
No, that wouldn't be very likely or very logical.



Confirm what type of transmission fluid you used, Dexron-III/Mercon, right ?. Did you damaged any wires removing the pan ? Pinch any solenoid wires re-installing the pan ? Every XJ AW-4 I have every seen has a drain plug in the pan.

Is the Check Engine Light ON ?

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post #7 of 10 Old 06-18-2013, 05:08 PM Thread Starter
cbass23
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Quote:
Originally Posted by CJ7-Tim View Post
No, that wouldn't be very likely or very logical.



Confirm what type of transmission fluid you used, Dexron-III/Mercon, right ?. Did you damaged any wires removing the pan ? Pinch any solenoid wires re-installing the pan ? Every XJ AW-4 I have every seen has a drain plug in the pan.

Is the Check Engine Light ON ?
i used atf 4. and no i didnt damage any that i know of. could it be acting that bad because dexron isnt in it?
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post #8 of 10 Old 06-18-2013, 05:19 PM Thread Starter
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would a code reader tell me whats wrong? or does the transmission even have codes for it?
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post #9 of 10 Old 06-18-2013, 05:42 PM
dmill89
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Originally Posted by cbass23 View Post
i used atf 4. and no i didnt damage any that i know of. could it be acting that bad because dexron isnt in it?
That could definately be the problem, AW4s are known to have issues with ATF+4. Change it back to Dexron III / Mercon. Since the fluid is now contaminated it will all need to be replaced, you can either take it to a shop to have a fluid exchange done (not a flush, presurized flushes can knock stuff loose and cause problems) or do several (3-4 usually) drain and fills to get the ATF+4 out.
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post #10 of 10 Old 06-18-2013, 05:47 PM Thread Starter
cbass23
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Originally Posted by dmill89 View Post
That could definately be the problem, AW4s are known to have issues with ATF+4. Change it back to Dexron III / Mercon. Since the fluid is now contaminated it will all need to be replaced, you can either take it to a shop to have a fluid exchange done (not a flush, presurized flushes can knock stuff loose and cause problems) or do several (3-4 usually) drain and fills to get the ATF+4 out.
alright thanks for the help!
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