help me diagnose transmission issue... - JeepForum.com

 
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post #1 of 7 Old 03-02-2013, 08:21 AM Thread Starter
JustinGB
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2000 WJ 
 
Join Date: Feb 2012
Location: Bayonne
Posts: 60
help me diagnose transmission issue...

2000 WJ Limited, i6 242.

Here's my issue, when I start the jeep cold and start driving, the transmission will have a difficult time shifting into 3rd. 1st, 2nd, and 4th all shift fine and smoothly. If i'm just driving normally, when it goes to shift to 3rd, it will slip. I can get it to reengage if I let off the throttle until i feel it go into gear or if I stay on the throttle at around 3000rpm sometimes it will shift but a little hard.

However, when the transmission has warmed up, everything will work flawlessly and super smooth. From what I've gathered, it doesn't have to do with engine temp. Typically I will let the jeep warm up in neutral then drive off, if I do this it may slip the first time it tries to go into 3rd, but after the first time it will function normally. If I don't let it warm up, it will do it several times before it starts functions normally.,

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post #2 of 7 Old 03-03-2013, 10:36 AM
falta
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1999 WJ 
 
Join Date: Aug 2008
Location: michigan
Posts: 18
I’ve got the exact same issue going on with my 99WJ 4.0 and was looking on this Forum for some one addressing this. I know a Transmission shop that’s very reputable and will call him this week for his thoughts on this problem. I will post on this asap.
Thanks.
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post #3 of 7 Old 03-03-2013, 04:43 PM Thread Starter
JustinGB
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2000 WJ 
 
Join Date: Feb 2012
Location: Bayonne
Posts: 60
I would love an update, my friend took a guess and said a sticky valve body but honestly I don't know much about transmissions.
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post #4 of 7 Old 03-03-2013, 05:43 PM
murph0124
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2003 WJ 
 
Join Date: Feb 2013
Location: thompson
Posts: 24
possible governor issue, mine would get stuck in 3rd and i would have to manualy shift 1st and 2nd. I replaced my governor pressure sensor and solenoid and it fixed it.
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post #5 of 7 Old 03-06-2013, 04:26 PM
falta
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1999 WJ 
 
Join Date: Aug 2008
Location: michigan
Posts: 18
I talked to the trans shop, he said it sounds like a seal is getting hard, then becomes more pliable when it warms up and allows it shift to better. $1800 on the high side for a complete rebuild. I’m going to add a pint of trans seafoam run it for a day, then drop pan and change filter and go with the Valvoline +4 synthetic at $6 a qt. Hope with the warmer weather coming that I can bide some time to figure out just what I want to do. Maybe get a used trans or install a reman or have him do it?? So that’s my plan as of now. Let me know if you have a fix or any luck with yours. Thanks
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post #6 of 7 Old 08-29-2014, 08:01 AM
BlackFox82
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Join Date: Mar 2014
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Not trying to revive an old thread but I'm having this issue on my WJ.. Any updates possibly?
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post #7 of 7 Old 08-29-2014, 08:13 AM
S8NNG8
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1995 XJ Cherokee 
 
Join Date: Feb 2012
Location: Helena
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Just a thought to consider, my '98 ZJ 4.0 was having similar issues that seemed to be the tranny. Turns out it was the catalytic converter choking up the motor which was screwing with the message it was sending to the tranny.

D3<!L!>3D
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