42rle

This is a look into how I use a PID controller as a temperature gauge and alarm for my transmission. Automotive temperature gauges, even expensive ones are normally pretty poor at low temperatures if they even work at all. PID controllers take a variety of high quality sensors that work over...

2003 w/42rle. 76k miles. Hard shifts when downshifting from O/D. Transmission fluid was at correct level when it started occurring. Changed fluid, filter, and gasket with the correct fluid. No change. No check engine light, no codes. I don't mind doing the work, paying for work, and/or paying...

Listing this for my friends dad but I have driven and seen this Jeep and can attest to its condition. It’s a 2004 Jeep Wrangler Unlimited, also called an LJ. This is a 2 owner Jeep, the current owner is in his 70s and bought it from a local dealer some time ago. He has mainly used this as a...

I feel like Im going to have to drop my transmission a 4th time and im trying to hang onto the mantra jeep life. Please HELP. Heres my story/situation: Bought my first jeep back in April, an 06 Red LJ. Couldn’t be happier hitting the trails and finally not relying on my friends with 4x4 to go...

Hello to my fellow Jeepers! I have a 2005 stock Rubicon auto with about 149k miles on it. I need some insight on some problems I have been having lately. The following may or may not be all connected. Alright so last summer I had about 140k miles or so and the spark plugs had never been...

First off, I think I've read everything available online about 42RLE shifting issues, PCM problems, Wranglerfix fixes, etc. Unfortunately I haven't seen anything similar to the issue I've been experiencing, which brought me to become a member of this great forum (long-time lurker). My '06 LJ...

Update: Do not buy from the site I listed. I found a bunch of reviews through Google and they are not a good company. My torque converter and tranny has taken a crap on my '03 TJ with the 4.0 & 42RLE. I don't think I'm going to rebuild it, but instead am going to buy one that comes with a...

I'm curious to as to what kind of miles everyone expects or seems to be getting out of their 42RLE Auto transmission's before having to do a rebuild/reman/replacement of them? I'm not the first owner of our 05 TJ but the previous owner did not list any transmission rebuild or overhauls just...

I’m pretty new to all of this Jeep related stuff and also a first time buyer, my 2006 Rubicon has been recently gone into what is called “ limp Mode “, threw codes such as P0700 , P1776 , P0740. I was recommended to switch out the Valve Body With Solenoid pack and as well torque converter...

So, I just bought my first Jeep. 2005 Wrangler, SE. 4.0L Automatic Transmission. It has 65k miles on it. I’ve only had it for 2 weeks. I noticed when driving that when I was in a drivethrough for food, the car would randomly accelerate at times. I was going up a hill to my buddies place tonight...

Hello everyone! So I have owned my LJ for 3 years and I love it off road, but getting to the trails is a different story. I have stock gears with the 42RLE Auto and 33" tires and it does fine on flat highway but get a hill or a headwind and it's a mess. I typically drive 70-75mph. I want to...

Hi all! new to the forum and have a strange thing goin on with my 05 rubi auto trans. In early January I felt the Jeep slip going about 65 on the highway. The RPMs shot up but no power to the wheels. I let off the gas and I immediately felt re-engagement and I took off just fine and got home...

On my way back home to “social distance” with some loved ones my automatic transmission in my 06 tj crapped out on the freeway. Wondering if anyone has any recommendations where I could pick up a good remanufactured unit near Sacramento? I’m about to have a lot of free time and and access to a...

Hey everyone. I've got an 06' X with the 42rle automatic that experiences the occasional hard-shift and some slipping. Inching up to 140k miles on the jeep and I would realllllyyyy like to swap to a manual trans (preference). That being said, I have an opportunity to get EVERYTHING I need...

I have the infamous issue with the 05 and 06 42rle bad shifting because of the bad PCM. Now, because that is discontinued I am looking for an alternate option. Whether that means swapping it for a different engine and tranny combo, swapping it to a manual, or another automatic and get a new...

This is a little install guide on a switch I put in several years ago. It works well so I thought I’d share the process and some thoughts on it. I have a hand throttle below the switch visible in the pictures, it doesn’t get in the way Why switch at all? The 42RLE drives much better with the...

Well hi guys (&or gals) I just joined the forum, probably for the same reason as many of you. I have all of issue with my trans and have no clue what to do next except rebuild. The jeep is a 2005 Wrangler 4.0 42 RLE ,235 75 R15, factory height. About a month ago after leaving the house (also...

Hello everyone, I just recently got a 2004 TJ, my first Jeep. I love it so far. It has 130,000 miles on it, 4.0L, 2.5" lift with 31s, stock gearing at 3.73. Everything so far is functioning just fine. The steering is pretty loose (I don't know if that is a Jeep thing). There are three or four...

Working on my first transmission flush and filter change. One of the pan bolts is worn and the socket slips so I wanted to replace it before it gets worse. After scouring the internet the only part number I could find for this was here...

I'm hearing vibes at around 45-55 mph (actually higher, I found out today that I'm indicating about 12% off, but ignore that, I'll get that fixed), but the vibes only happen in 4th gear. (4 speed auto). I've been getting around this by switching the O/D off until I'm at 60, but obviously...