engine

Dear fellow wrangler enthusiasts, I've purchased my first wrangler a couple of weeks ago; 1998 TJ, 2.5 L, 5 speed manual gear and it's pretty much stock, apart from some exterior parts. Whilst test-driving, there weren't any apparent issues with the engine. A few days after I bought it though...

Hello Everyone, I am currently experiencing a misfire issue on my TJ. I have read through the other similar threads here to begin diagnosing and fixing the issue, but with no luck so far. So I have decided to outline my issue as best I can below. Jeep Information: 2006 Jeep Wrangler TJ Sport /...

Hello guys I have 2002 tj with 4.0 so I’ve looked all over forum and. Online and can’t find this seal or part number it looks like it bolts on the rear outside of the engine oil pan anyone know part number it’s the seal guy is holding

Blew my 2.4L engine out of my 2004 TJ manual. I'm looking to do a 1:1 swap to avoid an expensive upgrade I can't seem to find a 2.4L replacement out on the market. From my understanding, I need a 2003 wrangler or liberty engine or a 2004 wrangler engine

Good afternoon. This is a very interesting issue I have found and tried to remedy. For context I have a 2004 TJ. 4.0 manual. Its mostly stock from factory. When I bought it, it was listed with an oil leak. I these past few weeks I have been ordering parts and fixing the known seals that leak...

Looking to clean out sludge from the engine at the next oil change. any additives you guys have tried and would recommend? I;ve heard stuff from 1 quart of ATF to adding diesel to the oil and running for 15 min. also aware of specific formulas for flushing engine to do the task as well. Open...

Ive been chasing this problem for 2 months now at random times my Jeep doesn't wanna start I've replaced the fuel pump, relays, and made sure the fuel pump connection wasnt bad Ive been stranded twice now and the same thing happened those two time crank crank crank crank crank just refusal to...

Hello! I’ve had my 2001 wrangler for a little over a year now and have had a fair share of mechanic visits. I’ve replaced the engine, radiator, power steering pump, serpentine belt, and most recently the fuel detection pump. The check-engine light is currently off (got it back from the mechanic...

Driving my 2006 4.0L Inline 6 Yesterday, I started hearing a knock while accelerating, know I hear it while idling. About 160k miles on it and a brand new timing chain and assorted parts that come with it. I brought it to my mechanic and he said it was likely coming from the valves, but he would...

Im curious to hear what you guys think the best sounding engine swaps are.

Hi yall! I have a 1998 4.0 TJ with 183k miles, sadly the engine overheated while I was driving one day, took it to a shop, they quoted me 1k to fix the head gasket and resurface the head, I’m debating if it’s worth just investing into a crate motor, I don’t want to replace the head gasket and...

I’ve been reading a lot about swapping an engine and I’ve asked a lot of people about swapping an engine. Some people tell me to go all out and swap a 5.7 Hemi into my wrangler and others tell me to put a 4bt in my wrangler, even going as far as to say a kubota and I’m just wondering what you...

I just ran a cold compression jeep on my jeep, found compression of 155,150,60,60,120,120 at each cylinder. What does that mean and what is the repair? Background: Bought a 4.0 straight 6, 97' TJ Sport 3 years ago. So far I've replaced the floorplans, replaced 3" lift with 1.5" lift, replaced...

Hi Guys! I'm new to the forum, but I have been utilizing the awesome info on this site for a while now since purchasing my 2006 SE in March. Prior to purchasing, I had researched the options for when the engine goes out and is not repairable because it had just over 170,000 miles on it. I...

Hey all, so I’ve got an issue I’m trying to diagnose and so far all I’ve got is that it’s got to be a clutch issue and it could also be steering column related. Not really an issue when I first start rolling but after I get where I’m going and I turn into a parking spot in 1st or 2nd and...

Long detailed post ahead. Thanks for reading! 2001 TJ automatic, 4.88 gears (relevant for the speed figures below) BACKGROUND: I spent a ton of time late 2021 and half 2022 trying to troubleshoot a misfire issue. Replaced just about every sensor; Mopar replacements where possible, forum...

Little Help?? Hoping someone can recognize the noise/sound. Happens when I'm at 25-30mph barely on the gas... not accelerating. 4.0 with automatic. 36k original miles on an 06 TJ. thanks in Advance!!

Recently i found out my engines in need of a rebuild however I can seem to find anyone with crate engines that make the 4.0 I would just swap out a junkers engine but my parents are helping me pay for it and they will only do it if I get a brand new engine any help would be appreciated.

Hey everyone, I have an interesting issue that I'd love some feedback on. I have a 2005 LJ, non-rubicon, 195,000 miles, with the 42RLE automatic transmission. I'm running into an interesting issue where the engine will have a very small moment of almost stalling when hitting the throttle at...

Selling my engine and trans, 2004 4.0 and 42rle with advanced adapter rubicrawler with aa twin shifters. 147k miles, rubicrawler installed in late 2019 early 2020 by previous owner. Motor and trans run strong with no leaks or issues, im pulling for the ls swap i just finished putting together.