2006 wrangler tj unlimited transmission problems - JeepForum.com

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post #1 of 17 Old 07-08-2013, 11:32 PM Thread Starter
champykendall
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2006 wrangler tj unlimited transmission problems

So my question is does anyone know what would cause my transmission to slip between 1 and 2 intermittently . I have a Automatic 4L 6 cylinder engine 4x4. I've only had the jeep for less than a week and already had to have it towed due to battery or starter issues. I took it back to the dealer that I bought it from. They say that they cant duplicate my concerns. I paid for this car with my own money and its not under any kind of warranty .They are trying to help but I jus t wanted to know if anyone else has had this issue ?

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post #2 of 17 Old 07-09-2013, 02:33 AM
Necko2529
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Look up 46RLE (your trans) and read about it. There's plenty of info to help diagnose, repair and prolong the life of your trans. It would also help you understand what's going on so you can feel more confident taking your hero to dealer or mechanic and talking to them about issues you're having.

Good luck and welcome to Jeep Forum

Rokmen TT, Rokmen control arms, Novak NV241 cable shifter, JKS 1.25" BL + 1" MML.

Anybody can take advice if it doesn't interfere with their plan.

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post #3 of 17 Old 07-09-2013, 04:59 AM
06eLJay
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It's probably the PCM that's bad. I'm taking mine to the dealership today. My problem is a hard shift from 1st to 2nd and only happens when engine is cold. Search threads for resetting the PCM , that usually cures the problem but for a short time only. The PCM is covered by the 8 yr 80k mile emission warranty.
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post #4 of 17 Old 07-09-2013, 06:48 AM
otisdog
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It's actually a 42RLE.
Make sure the fluid level is good. It is to be checked in neutral when completely warmed up after shifting through all the gears.
Your tranny uses ATF+4 fluid and NOTHING else. A fluid change and filter might be in order. How many miles on your TJ?
Jim

08 Grand Cherokee Overland
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post #5 of 17 Old 07-09-2013, 01:05 PM
Knuckelhead
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Quote:
Originally Posted by otisdog View Post
It's actually a 42RLE.
Make sure the fluid level is good. It is to be checked in neutral
The fluid pump runs in park (unlike the 32RH), to check the fluid level the 42RLE doesn't need to be in neutral...
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post #6 of 17 Old 07-09-2013, 02:06 PM
Necko2529
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Sorry about the typo. I meant 42RLE!

Rokmen TT, Rokmen control arms, Novak NV241 cable shifter, JKS 1.25" BL + 1" MML.

Anybody can take advice if it doesn't interfere with their plan.

RIP "Prescott 19" Prescott Fire Department
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post #7 of 17 Old 07-09-2013, 02:11 PM
JBTJ
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Quote:
Originally Posted by champykendall View Post
So my question is does anyone know what would cause my transmission to slip between 1 and 2 intermittently . I have a Automatic 4L 6 cylinder engine 4x4. I've only had the jeep for less than a week and already had to have it towed due to battery or starter issues. I took it back to the dealer that I bought it from. They say that they cant duplicate my concerns. I paid for this car with my own money and its not under any kind of warranty .They are trying to help but I jus t wanted to know if anyone else has had this issue ?
Who's money would you pay for your JEEP with? You also don't have a V6, it's I6. It's a common problem, not very good transmissions.
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post #8 of 17 Old 07-09-2013, 03:52 PM
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Originally Posted by JBTJ View Post
Who's money would you pay for your JEEP with?
At 16 years old, I'd say that's an accomplishment for the OP...
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post #9 of 17 Old 07-09-2013, 03:56 PM
JBTJ
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Originally Posted by Knuckelhead View Post
At 16 years old, I'd say that's an accomplishment for the OP...
Maybe, I know I bought my first car at 16 and used my own money, as well as 3 of my teenagers.
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post #10 of 17 Old 07-09-2013, 05:44 PM
Best4x4
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I've owned two Wranglers with the 42RLE transmission and honestly the transmission itself has never been the issue. I had a bad PCM that caused all kinds of hell on my 05 Rubicon, then the horrible linkage design that just falls off once a 5 cent bushing breaks (fixed that issue with my custom 4spd shifter linkage mod), and finally a flex plate that cracked 99% all the way around (due to the dealership bending it after my initial PCM issue). My 05 LJ with the same transmission has been flawless except for the crappy linkage. I have never had an actual issue with the guts of the 42RLE. It's been PCM or flex plate related. Besides the OD being tall, I think it's an okay transmission.

I drive a Ford Transit Connect at work at if you want to talk about a POS transmission look no further.... Blew up 1st & 3rd gear at 39K and I'm sure it'll die again soon. My cousin just got an 06 LJ with 122K on it and the Jeep runs and shifts fine with the 4spd auto transmission. Makes me miss what a stock Jeep feels like haha.

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post #11 of 17 Old 07-09-2013, 06:44 PM
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Come on guys cut the kid some slack, just a green horn is all LOL....Jon
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post #12 of 17 Old 08-07-2013, 10:33 PM
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Quote:
Originally Posted by Knuckelhead View Post

The fluid pump runs in park (unlike the 32RH), to check the fluid level the 42RLE doesn't need to be in neutral...
FSM and dipstick instructions to check fluid are:

Park on level area
Parking brake set
Trans in Neutral
If cold fluid should be between cold marks
If warmed up to normal operating temp fluid should be between hot marks.

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post #13 of 17 Old 08-07-2013, 10:43 PM
Knuckelhead
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Quote:
Originally Posted by FernBchJeep View Post
FSM and dipstick instructions to check fluid are:

Park on level area
Parking brake set
Trans in Neutral
If cold fluid should be between cold marks
If warmed up to normal operating temp fluid should be between hot marks.
There are some carryovers in the FSM's and for some parts from earlier years.

The 42rle still pumps with the shifter in the park position.

The reason the 32rh/30rh needs to be in neutral is to insure that the torque converter fluid is at an operational level and you don't get a false reading on the dipstick...
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post #14 of 17 Old 08-09-2013, 09:02 AM
GilaMtnJeep
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Quote:
Originally Posted by Knuckelhead View Post

There are some carryovers in the FSM's and for some parts from earlier years.

The 42rle still pumps with the shifter in the park position.

The reason the 32rh/30rh needs to be in neutral is to insure that the torque converter fluid is at an operational level and you don't get a false reading on the dipstick...
Ahhh, I understand. Thanks

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post #15 of 17 Old 08-09-2013, 09:09 AM
Tonellin
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Quote:
Originally Posted by JBTJ View Post
Maybe, I know I bought my first car at 16 and used my own money, as well as 3 of my teenagers.
Don't hurt your arm giving yourself a pat on the back there buddy....

Also where did OP saying anything about having a v6?

It's the damn PCM that causes the hard shifting not the 42rle itself

06 LJ Rubicon
http://www.jeep-owner.com/index.php/topic,748.0.html
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