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Old 01-26-2012, 01:39 PM   #1
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42rle transmission

has anyone else on this sight had problems with the 42rle tranny. I have a jeep liberty with 120,000 miles on it and just replaced the tranny for the third time! It went at 35,000 mil. and again at 70,000 mi. and then again at 120,000 mi. and I don't drive offroad at all this tranny has been a thorn in my side since I bought the jeep liberty in 2004. I have never had a veh. with a trans that only lasts 30,000 or so miles. Will never buy another Chrysler again!

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Old 01-26-2012, 01:48 PM   #2
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Sorry to hear of your woes. I'm at 61K on my '07 JKU and I beat on it regulary. What were the causes of the failures?


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Old 01-26-2012, 01:52 PM   #3
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I read 2 codes this time 0700 and 0760 seems to be the solenoid but what caused it to go I think was the breakdown of the clutch in the converter. every time the trans wwent there was a breakdown of metal from the converter.
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Old 01-26-2012, 01:56 PM   #4
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Yup, my sister has a KJ and she's had the transmission fixed 2 or 3 times under the extended warranty the PO fortunately purchased (and it MAYBE has 50k miles since 2003). The one in my LJ has started shifting roughly going from/coming to a stop, although it diminished somewhat after getting it flushed (at about 45k miles currently).
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Old 01-26-2012, 02:23 PM   #5
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I don't know how Chrysler gets away with calling them transmissions. they should have stayed with the w4 trannys that were used in the old cherokee. I just wonder how many other people are having the same problems?
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Old 01-26-2012, 02:31 PM   #6
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63,500 miles on mine, been all over the country. Wheeled it in Maine, Rausch Creek, Moab and Turkey Bay in Kentucky. Not a bit of trouble, it has had a cooler on it since 10,000 miles and gets a fluid change every two years.
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Old 01-26-2012, 03:02 PM   #7
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I have a 42rle at under 40K and so far, so good. Does anyone sell one of these "built"? I keep thinking I should replace the fluid one of these days. I lock mine out of OD most of the time, hoping that might keep it cooler.
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Old 01-26-2012, 05:45 PM   #8
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I haven't had problems with mine. The thing just isn't geared right. It loves to lug between 60-68 for me. The OD is just comical at times. I have 3.73 gears with 31" tires. It was the same on 30s though.

The main reason I won't move to 33" tires on my TJ yet is because I don't even want to feel it with 3.73 gears and 33s. Geesh, that would be pathetic.
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Old 01-26-2012, 05:47 PM   #9
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The 42rle isn't the greatest of transmisions but sounds like you had what sounds like somewhat of a issolated issue with your continuous issues..
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Old 01-26-2012, 06:00 PM   #10
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My '08 JKUR/42rle/aux cooler/tempmonitor sys/proper gearing and a vehicle weight of 5200lbs (avg) the tranny is very comfy/w O/D always useful--even when towing on level freeway-

From what I hear, the new 5sp is a great auto tranny, but mine is AOK !

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Old 01-26-2012, 06:39 PM   #11
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How do you drive? That can be a factor. What transmission fluid are you running? Does it have an external transmission cooler?
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Old 01-26-2012, 07:13 PM   #12
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Quote:
Originally Posted by JIMBOX
My '08 JKUR/42rle/aux cooler/tempmonitor sys/proper gearing and a vehicle weight of 5200lbs (avg) the tranny is very comfy/w O/D always useful--even when towing on level freeway-

From what I hear, the new 5sp is a great auto tranny, but mine is AOK !

JIMBO
Exactly. The 42rle needs extra pampering. If you take care of it, it's an okay transmission.

They are more prone to failure compared to the 3 Speed in the older TJs.
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Old 01-26-2012, 07:23 PM   #13
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Exactly. The 42rle needs extra pampering. If you take care of it, it's an okay transmission.

They are more prone to failure compared to the 3 Speed in the older TJs.
You just gotta treatem like a wife--to get what you want---and

The 42rle is a heckof a lot cheaper !

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Old 01-27-2012, 09:17 AM   #14
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From all the research I did it seems that chrysler went cheap at the factory on the tourqe converter. the clutches in the converters are single clutch and break down and wear causing particles to get into the system causing failure. I don't drive hard at all, never been off road with it. this time i brought it to my tranny guy and he had a heavy duty converter put in for me so we will see were that goes. also anyone that drives this tranny will see that when your rpms go up and the speed doesn't
that is the clutching of the converter. seems as though chrysler forgot how to make trannys or went cheap. more then likely the later! If you own one it is just a matter of time before it goes.
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Old 01-27-2012, 09:21 AM   #15
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I've always wondered say it does go.. what other auto transmisions are out there that would work instead of getting another 42rle
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Old 01-27-2012, 09:23 AM   #16
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YUP, if your vehicle has an engine/tranny/wheels/bearings/differentials-etc/etc !


Quote:
Originally Posted by jgalante View Post
From all the research I did it seems that chrysler went cheap at the factory on the tourqe converter. the clutches in the converters are single clutch and break down and wear causing particles to get into the system causing failure. I don't drive hard at all, never been off road with it. this time i brought it to my tranny guy and he had a heavy duty converter put in for me so we will see were that goes. also anyone that drives this tranny will see that when your rpms go up and the speed doesn't
that is the clutching of the converter. seems as though chrysler forgot how to make trannys or went cheap. more then likely the later! If you own one it is just a matter of time before it goes.
It's just a matter of time--something will breakdown-

Ain't that kinda NORMAL ???

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Old 01-27-2012, 02:06 PM   #17
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I would like to find 1 person that has the
42rle trans that has over 150,000 miles. and has never had to repair it!....
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Old 02-17-2012, 01:55 PM   #18
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Barrie what tranny cooler are you using? Does anyone here have experience with one of the Deep sump tranny pans like Rock Krawler offers? I just bought a 2005 Rubi LJ with 10,000 miles and this is one of the first upgrades I was going to do.



Quote:
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63,500 miles on mine, been all over the country. Wheeled it in Maine, Rausch Creek, Moab and Turkey Bay in Kentucky. Not a bit of trouble, it has had a cooler on it since 10,000 miles and gets a fluid change every two years.
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Old 02-19-2012, 11:30 AM   #19
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Quote:
Originally Posted by jgalante
I would like to find 1 person that has the
42rle trans that has over 150,000 miles. and has never had to repair it!....
A little over half way there. My wife has driven 82,000 miles and the tranny has not been touched. 2004 Jeep Liberty with Select-Trac that she loves and won't give up. Too put it mildly, she does not treat this vehicle gently. Snow is her fun. Last year we had 9 months of snow.
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Old 03-28-2012, 04:08 PM   #20
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42RLE transmission woe

I am replacing a 42RLE transmission due to problems. I have an '04 Liberty. The transmission makes an awful rubbing/squealing noise when shifting from first to second. It feels like a grab then releases when it reaches a certain torque. Two shops were uncertain what the problem is, but acknowledge it is the transmission. The last shop concluded that the cheapest option was to replace it with a rebuilt. I can hardly complain since I over 150,000 miles, the rebuilt tranny has only 62K.

Anyone else experience this type of problem?
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Old 03-28-2012, 04:18 PM   #21
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I have one, but with just over 150K I now need to replace mine.
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Old 03-28-2012, 04:57 PM   #22
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once a year i change my tranny fluid weather it needs it or not. peace of mind insurance, that and a tranny cooler.
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Old 03-28-2012, 05:05 PM   #23
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Quote:
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once a year i change my tranny fluid weather it needs it or not. peace of mind insurance, that and a tranny cooler.
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Old 09-11-2012, 07:47 PM   #24
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I have a 06 Rubicon LJ. I had the problem with harsh shifting in first and second (50k miles). Goes away after the tranny warms up. The problem turned out to be a heat sensor. The tranny operates differently at different temps. I got it replaced, 1000 miles later the problem started again.

From what I've heard, this is due to it running at high temps. I off road a lot. Basically I beat the crap out of the transmission, mountain roads fully loaded etc... My next upgrade is a trans cooler, and a new heat sensor

That being said, if it dies, I'd look at the possibility of getting an AW4. I had that in my XJ and it took a beating and kept on ticking.

If you're having the rough shifting problem in first and second after just starting it, save yourself some money on diagnostics and just go install a new heat sensor. And then get like a $40 trans cooler and install that too for good measure.
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Old 09-12-2012, 08:15 AM   #25
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Hey WG, have the same rig as you do..had the same shifting hard problem....tried everything that you have tried and problem kept coming back at some point....ended up replacing pcm and problem solved....there are other threads about this on this forum...hope this helps.....hate to see anyone else go through the money and frustration that I did
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Old 10-01-2012, 03:34 PM   #26
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Quote:
Originally Posted by jgalante View Post
I would like to find 1 person that has the
42rle trans that has over 150,000 miles. and has never had to repair it!....
I rolled over to exactly 146,000 miles this morning.

The 42RLE in my 2004 LJ turned the 2-4 clutch pack into a box of rocks going over the hill before I made it to work. :/ It was operating perfectly fine before that. I mean, it always had the weird 42RLE shift point quirks that are known, but nothing out of the ordinary.

Then I drove 20mph in first gear to the dealership!
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Old 10-01-2012, 03:55 PM   #27
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Only logical thing to do now is put an nv3550 in . Sorry, I'm extremely anti-auto haha. But I do know 2 temp gauges aren't a bad idea for autos that take any abuse or prone like yours had been. A lot of guys that tow a lot put a temp gauge in the trans pan and right after the cooler to see how well the cooler is working. Heard of guys running the cooler on the frame with a small electric fan on a toggle switch, that with the 2 temp gauges can make or break a tranny. Another trick I've heard is to reroute the windshield washer fluid sprayers to the front of the radiator/coolers. Notice the temp going up, hit the washer fluid and it really helps.
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Old 10-01-2012, 03:59 PM   #28
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Only logical thing to do now is put an nv3550 in . Sorry, I'm extremely anti-auto haha. But I do know 2 temp gauges aren't a bad idea for autos that take any abuse or prone like yours had been. A lot of guys that tow a lot put a temp gauge in the trans pan and right after the cooler to see how well the cooler is working. Heard of guys running the cooler on the frame with a small electric fan on a toggle switch, that with the 2 temp gauges can make or break a tranny. Another trick I've heard is to reroute the windshield washer fluid sprayers to the front of the radiator/coolers. Notice the temp going up, hit the washer fluid and it really helps.
I do have an auxiliary cooler that I installed.

See, logical thing to do now is a V8 swap. I have quotes $2,000 to $4,000 to replace or rebuild the transmission.
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Old 12-18-2012, 06:34 PM   #29
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I actually come from a diesel background. The 42rle is the offspring of the caravan tranny from 1989. It is cheap to build and great technology it just doesn't have good dependability epecially now that emissions is crawling up everybody's rear. The TC doesn't lock up until under light throttle at high speeds and it continually slips the TC to keep power out of the transmission i.e. the heat and lack of dependability for those of us who actually drive the thing. I only stumbled upon this because the 68 rfe is the same tranny just bigger in the dodge diesels. ATS has made jeep trans. Their trannys are great for the big trucks they have to be good for the jeeps. They have a full transmission, TC, and electronics to control lock up and load based shifting.
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Old 06-03-2013, 09:16 PM   #30
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Hi there! my tranny is gone after doing only 86000 km! While searching on the net I found out that an upgraded and high performance tranny is being offered by ATS, called 42RLE ATS. Does anybody has direct experience about this tranny? Or any reference about their friends using them successfully.

My rig is JK 2009, Sahara, unlimited.

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