1. Kody

    IAC Issue?

    I have a 1999 Jeep TJ 4.0 5 speed. It has idled rough for a while now, it stays at around 800 rpms but it is not a consistent number. It bounces slightly and you can hear the difference as it does this as well, bouncing from around 775 to 850 rpms. It also sometimes has a hard time cranking and...
  2. A


    Just bought this 2005 tj and noticed this was disconnected. Is that where it connects or is that wrong? Where does this connect? Sorry if it’s a stupid question
  3. OC TJ

    Will downsizing tires give me better responsiveness?

    Hi all, I recently purchased a 99 Wrangler and have been having the best time with it. My question is pretty general, please help so i know which direction to go. My Jeep has a set of 285 70 R17 tires that the previous owner has installed with a 4 in lift, plenty of tread left on it. Being a...
  4. B

    Jeep 4.0 engine / transmission / axles and associated parts

    I have a 2004 Jeep Wrangler LJ with 148K Miles. I am doing an LS Swap and have pulled the Factory 4.0 and 42RLE. I also have the factory Dana 44 Rear End and Dana 30 Front End. I will detail the parts below. All parts also fit a TJ 4.0 Engine I bought it and wanted to go through the engine to...
  5. TreverStevens

    Engine Swap: V8 Magnum or TDI?

    Greetings TJ community! First time posting here, but I've been using the forum as a reference for a while now. So here's the run down for me, I picked up a TJ back in early Sept with roughly 130k on the 2.5L with 5 speed manual. About 5 weeks after having it and starting to address the various...
  6. Martin Murillo

    Wrangler TJ 2.4 power tech engine compatibility

    Hello . The engine of my TJ 2004 is broken, it is a power tech 2.4 L . as far as I know there are many 2.4L engines, but I saw only one very similar to the TJ engine. I dont know if this engine is for Patriot , compass or commander. Seems like they are exactly the same, but I heard some sensors...
  7. Rick Brewsler

    Need Help Choosing Engine: So Many Options

    Hi everyone, I am in the market for a replacement engine for a 2004 Jeep TJ Sport on 35's and a 4" lift. I Hydrolocked the current one. Insurance is paying $2100 and I could do around $1000-$1500 on top of that (around $3500 budget). I would like to get a crate motor, but Im willing to put it...
  8. D

    Found Replacement Motor, But Will it Fit??

    Hi everyone, I've been using this forum to get me out of trouble with my TJ for quite a while, but this is my first post. I've scoured the web trying to get a definitive answer on this, but have so far just confused myself. I hope you guys can help. I recently had a bolt shear off my piston...
  9. Declan McPherson

    2000 Sahara Engine / Transmission Swap

    Hey I am new to the whole forum thing and to be honest I usually avoid them like the plague but I have come to a crossroads and don't have anywhere else to turn. That being said I apologize ahead of time if I lose anyone in all this. I am wanting to learn more about engines, transmissions and...
  10. Forty

    Code being thrown for CPS sensor

    Hey all. I’m banging my head against the wall. 2006 4.0, just had motor rebuilt, rv cam, .0003 over. Initial drive after getting her back together and check engine light is on and sputters at 2500 rpm. Code calls for camshaft positioning sensor (which is brand new Dorman that came with OPDA)...
  11. tnkayaker615

    Replacing 2.4L

    I just picked up a 2006 2.4L engine 30k miles to replace my 05 that has 180+k. It has been giving me trouble for awhile so I was researching engine swaps when I found this engine for a price I could not pass up. I'm looking for advice on what I should replace/upgrade on the engine and in the bay...
  12. JaysJeeps

    2000 tj 4.0motor questions

    Ok so recently i purchased a 2000 tj with a supposed ax15 transmission.The motor is blown up and needs replaced.Arond me there is this dirt cheap 97 cheorkee xj motor that caught fire.My question is this. Can i use the 97 cheorkee xj block and just mount all my old motor stuff on it. Or will it...
  13. lrb6805

    CEL Throwing Codes and Start Issue

    Hey Guys, My jeep is having starting issues, hopefully someone here has had a similar issue or can offer some solutions. I last drove my jeep ('06 LJ, 81K miles) on Friday when I parked it at a buddy's place to go out of town for the weekend. Came back a few hours ago, hopped in my jeep and...
  14. lrb6805

    Initial Maintenence/Tune-Up on a Used Jeep

    Hello, I bought my first used '06 Wrangler LJ with 79k miles on it about a week ago. I am wanting to do an initial Maintenance/Tune-Up overhaul to get my own records going and keep track of everything. I'm not looking to do any mods for now as I want to see what I want/need as I go. My goal...
  15. Tony_Wheretonext

    Replacing 4.0 engine Wrangler 99

    Looking for advice, tips, and hints on swapping out my I6 engine Things to think about prior to taking out engine, extra parts to have around, or things to do on new engine that is getting swapped out with old one.
  16. danny123

    Cool Video

    Hey guys so I decided to offer a little tour of my jeep,I made a video about it! hope you guys can enjoy!
  17. B

    Serpentine belt part number

    Hey everyone this is my first post on the forum so let me know if I've put it in the wrong section. I'm after the part # for the belt in the picture. I just ordered a belt but it's the more common one. I can only find pictures of the routing but no part #
  18. Chris

    Engine vs. Motor

    I've always referred to an ICE (Internal Combustion Engine) as an engine. However, I hear some people refer to an ICE as a motor. I was under the impression that a motor was electric. Am I wrong, or is this just the liberal use of the word motor?
  19. Rook

    How to replace the timing chain on a Wrangler TJ 4.0

    While changing the rear main seal, I took a look at the timing chain. It flexed just over half an inch which, according to the factory service manual, means it's up for replacement. All in all about 4 hours. Hardware: Mopar Timing Chain Mopar Camshaft Gear Mopar Crankshaft Gear Mopar front...
  20. Rook

    Is the engine in the TJ attached to the body or the frame?

    I'm curious to know if the engine in the Wrangler TJ is mounted to the body of the vehicle or the frame? I wasn't 100% certain... Thanks in advance!