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140,000 on a JGC 1993 6 cyc full time 4x4. Just had the transmission fluid changed (not a full flush) and the filter. Nothing changed with this problem;
Shifts just fine until it has been driven an gets hot but normal temp.
Then it starts to not downshift into first when you come to full stop. Sometimes it will and then jerks in and out a few times before shifting to 2nd and then 3rd and overdrive. All the other shift points are fine. When it does this I can manually drop the lever into first gear and it grabs just fine and then I can manually move it up to drive and the rest of the shifting works just fine.
One person said it needs a new shifting module.
I keep seeing people talk about a first gear band adjust but I do not see this in any manual for this car. I would think that if that was the problem it would fail if I manually put it into first...it does not.
Could this be something with a speed sensor or the computer? No error codes show up or anything.
The last thing i could think of is...
I replaced my trans (42re inline 6cyl) out of a 98 into my 2001 Laredo.
I believe prior to 99 the internal transmission solenoids had a 3 pin connector vs a 4 pin connector after 99. It connects on the inside of the trans into the 7 pin trans control connector on the outside of the trans.
I am about to go in and see if this makes a difference.
Thanks for your help.
Purchased last friday, always wanted a JEEP, can someone help
Oh yes and it has 295,000km on it, apparently all highway, was a bussiness man last owner.
if not could be the lock up for the converter is not disengaging
T
Thanks again
tony b
Thanks so much,
Jeepgirl
trans trouble code
If you figure it out let us all know as I think there is something common about this
Thanks for the replys
lot cheaper than new or rebuilt trans
with that many codes would think of a wire connection loose
i have a jeep shop manual and dosent show any of those codes for a 2001 jeep those codes for 2005 liberty which has different trans
check wire harness that comes from trans
Used the autostick for some lower gears, nothing also.
There were no check engine lights coming on preceding today or during. I just had complete driveline service at the dealership including a "reflash" of the PCM for smother shifting points. The vehicle had been running great up until today, I am at a complete loss.
Based on what I have seen on this forum, it could be a bunch of different things. Should I just have my local wrench pull the codes from the TCU if there are any, or try and inspect anything visually that would suggest a linkage issue?
If anyone can put me on the right track, It would be greatly appreciated.
It just snowed in Minneapolis and winter is coming!
thanks!
Next, if you haven't done it in the last 30K miles, drain transmission and replace filter.
Look at the transmission cooler lines. They should be bone dry. Replace them if not. Here's why. A leak will affect pressure which will affect flow thru the cooler lines. The fluid may not be getting cooled at an adequate rate.
If it still overheats, I would disconnect lines at transmission and have them blown out. Maybe it is plugged with a piece of debris.
Make sure it is not a leak or plugged filter before looking for other reasons. If all is OK, my guess is problem is in the transmission. If you are lucky maybe its a bad temperature sensor somewhere. You would need a voltmeter and a schematic to check temp reading from the trans to make sure electronic module is not giving a false warning. Not easy to do given location of the trans. If trans has external temp sensor like your cooling system, try replacing it.
I guess I can only cross my fingers and hope it keep going in gear.
cheers!
tidester, host
SUVs and Smart Shopper
i would also check and clean the positive conections, the ones at the other end of the batery terminal, another good one to check is the engine to chasis earth lead,
the only othe electrical conection to check is the earth for the instuments, often found behind the drivers foot trim.
if this hasn't cured the problem then its a real one. a good place to start there is get the codes read them go from there.
hope this helps
It doesnt matter if the vehicle is stopped, moving, in or out of neutral.
It's a 4.0 with 155k and otherwise running great!
Thanks in advance for any help!!!
Fluid level low, gearshift cable, rear clutch burnt, valve body malfunction, overruning clutch broken, input shaft seal rings worn or damaged, and front planetary failed or broke. Make sure you didn't damage the trans cooler lines/hoses. It would cause you to lose a lot of fluid.
I live in Devon in the UK and I have just bought a 98 JGC with 106k mls. I knew it was faulty before I bought it, so wasn't stitched up, but I'd always wanted one and this was cheap and otherwise perfect for my needs & pocket, just need to get it sorted out and there’s no better way to get to know your wheels than to work on them.
So, to pull away I have to select 1st then move to 2nd and if lucky she'd get upto 50mph or so, but only for 1 or 2 mls then loses the trans and the engine revs high [obviously]. Had to stop and select P then move into 1st position, pull away move to 2nd position and more often than not I’d only get to 30mph and then had to start all over again and select P then 1st move off select 2nd and had to keep repeating this to get her home. If I select D she'll pull away [in 1st] but will not change up. Reverse appears OK.
To sum up, have 1st 2nd & reverse, but nothing else and going from 1st to 2nd is hit and miss.
Previous owner had changed fluid but only cleaned filter.
I have done nothing to her, I'll wait until I get some experienced advice for which I will be extremely grateful.
Have driven several of these but not owned one before and apart from the trans problem this is so comfortable and roomy and from all accounts more solid & reliable than most, especially the straight 6 engine. Many thanks for any help. Regards John
Regards, John
and got to my driveway and nothing just winding let it cool down but have not drove it
repairshop wants to put in tranny anyone know if it could just be the tourque converter
or ???? went by valvoline they checked level and said its at the recomended level
if it is any hints changing out the tranny i have not changed a tranny in a few years and the only ones i have done are late 90's chevy trucks
i think ill go to valve and have them redo service first
NOT DEXTRON as not the same as needed
tony b
Regards & thanks
John