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Forum: Engine, Transmission, Transfer Case

Discuss all topics related to the performance engine tips and swaps, transmissions repaairs and swaps or transfer case technical issues.

  1. Where to find a new or refurb PCM

    I've got an 05 LJ and need a new/refurb PCM, anyone have recommendations for a reputable company? Thanks

    Started by PropMan, 08-24-2018 09:46 AM
    • Replies: 3
    • Views: 4,219
    11-27-2019, 05:02 PM Go to last post
  2. LS swap

    Has anyone on here done a LS swap in there LJ? I'm researching which LS I want to swap into my 2006 LJ. Right now I'm considering LS3, L86 with 8L90 trans.

    Started by FLV8Jeeper, 10-17-2019 11:57 PM
    • Replies: 3
    • Views: 2,390
    10-23-2019, 09:51 PM Go to last post
  3. Belt tensioner Pulley Assembly & mount.

    Hey everybody, Haven't been on here much, hope you all are doing good. Question for you. 2006 LJ manual. Does the belt tensioner assembly bolt into a removable bracket and if so what is that thing called so I can get another one if needed? Issue: Belt was squeaking. Found the tensioner...

    Started by Imposter71, 04-16-2019 12:02 PM
    • Replies: 2
    • Views: 91,706
    04-20-2019, 09:08 PM Go to last post
  4. Hole in OPDA

    Hey guys, just wanted to ask a quick question. I'm replacing the OPDA in my 06 LJ and purchased the Crown Automotive replacement and was wondering if anyone knows if this hole in the picture is supposed to be there? TIA Sent from my ONEPLUS A6013 using Tapatalk

    Started by ired44, 12-01-2018 08:48 PM
    • Replies: 5
    • Views: 3,149
    03-05-2019, 10:37 PM Go to last post
  5. Shifter consold issue

    Ok, this issue is strange, so bare with me. 06 LJ automatic. I have this issue mostly when it's cold or really wet. When shifting into any gear, the shifter feels "crunchy"....feels like there's ice or broken glass inside the console. Also, when this happens, sometimes my key won't turn all...

    Started by 06RubiLJ, 01-17-2019 08:40 AM
    • Replies: 2
    • Views: 62,085
    02-06-2019, 12:20 PM Go to last post
  6. 04 LJ cutoff

    04 LJ 80k miles. No check engine light and no upgrades to engine. 3 times it has just shutoff during a hard left (U-turn). Well today it did it driving straight, luckily it was in a parking lot and a slow speed. Any ideas what could be a possible cause???

    Started by hoffy, 03-31-2015 03:24 PM
    • Replies: 3
    • Views: 40,383
    02-02-2019, 09:57 PM Go to last post
  7. Question Catalytic Converter Question

    I know that Jeeps have like 10,000 catalytics. Why? Dunno! Anyway, I went to the local "Peppy" autoparts store to find this: And apparently, Amazon is the ONLY place to get it. :banghead: So here's my dilemma... Whenever my overdrive kicks in, I get a sulphuric (rotten egg) smell. It's...

    Started by ih8pepl73, 10-06-2012 02:58 PM
    • Replies: 5
    • Views: 5,942
    02-02-2019, 09:54 PM Go to last post
  8. Fuel fill overflow?

    Has anyone else on here had to deal with this problem? Guess I'm going to do the Hoppe mod - replace fuel filler hose with GM part that has the check valve built in.

    Started by 1 Long TJ, 09-11-2012 11:37 AM
    2 Pages
    1 2
    • Replies: 23
    • Views: 45,003
    10-31-2018, 09:39 AM Go to last post
  9. Power/drivetrain issue

    The only way to describe the issue is there are times when it feels the drivetrain is fully engaged and all the power from the engine is getting to the wheels. There’s a strength to the acceleration, and you can feel the torque of the engine when accelerating. At other times the engine is...

    Started by Unlimited4x4, 08-21-2018 10:17 PM
    • Replies: 1
    • Views: 40,665
    08-22-2018, 07:52 PM Go to last post
  10. Transmission Woes

    Sunday, on my way home from work, I noticed the tranny slipping. Then I heard what sounded like a power steering pump low on fluid, and it really started acting goofy. This is the first issue I have had from the transmission, so I pulled the code. P0700, General Transmission Problem. I was...

    Started by OldMedic, 05-08-2018 01:42 PM
    • Replies: 0
    • Views: 79,363
    05-08-2018, 01:42 PM Go to last post
  11. Angry Unkown noise from drivetrain?

    Have an '06 rubi unlimited, with a 3.5-4'' lift. Ever since the wife and I have owned it over the past 4 years, Ive noticed this clunking noise everytime I press in and let off on the clutch. If I operate the clutch smoothly at a moderate RPM it shifts smoothly and you cannot feel it in the pedals....

    Started by jsouth, 02-14-2018 05:34 PM
    • Replies: 3
    • Views: 55,392
    02-16-2018, 09:25 PM Go to last post
  12. Derale Transmission Cooler

    After seeing some high transmission temperatures (especially in the mountains), I decided to install the Direct Fit Derale trans.cooler (20561). It's a good kit, designed for the average DIY. If I had to do it again, I would probably get a more generic one (and cheaper) and figure out how to mount...

    Started by 1 Long TJ, 10-23-2017 11:29 AM
    • Replies: 1
    • Views: 41,893
    12-04-2017, 12:12 AM Go to last post
  13. extremely poor gas mileage 2005 LJ

    Hi everyone, I own a 2005 jeep unlimited LJ, 6 cyl. auto, 31 inch tires, the problem I'm having is extremely poor gas mileage. I get 150 kms per tank in the city and close to 200 on hwy. I know it should be better, but it's not. I'm in Toronto, Canada, and was wondering what kinda gas mileage you...

    Started by rock2004, 02-09-2017 07:03 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 9,206
    04-15-2017, 02:47 PM Go to last post
  14. Noob with a Trans Question

    I am about to pull the trigger on an 06 Rubicon with an auto trans. After doing some research and seeing the issues with the 42RLE it has me slightly concerned. While I have seen a few bandaids to address the issue, I do not think I have seen a definitive solution. Is there a permanent fix to...

    Started by Fargus, 02-06-2017 05:16 PM
    • Replies: 1
    • Views: 48,483
    02-11-2017, 04:52 PM Go to last post
  15. floppy shifter temporary fix.... and question

    OK so over the weekend I was wheeling and the dang cable jumped off of my automatic shifter lever in the middle of a long rocky descent. Jeep was stuck in 4Lo and 1st gear and the lever just flopped around. I know it is common for the cable to pop off underneath the jeep, but this was at the top,...

    Started by EllJay05, 10-24-2016 10:33 AM
    • Replies: 10
    • Views: 5,660
    11-22-2016, 11:22 AM Go to last post
  16. Tuner and "Stuff"

    I just got a job at a local stereo shop. They are in a nationwide buyers group for parts. I found out that I can obtain items for my vehicles at 10% above our cost. My LJ has 35's, and needs the speedo reprogrammed. I can take it to the dealer and pay to, or I can buy a tuner that will do it. ...

    Started by Htfiremedic, 06-05-2016 06:49 PM
    • Replies: 0
    • Views: 41,099
    06-05-2016, 06:49 PM Go to last post
  17. Snorkel on my LJ

    Could not find a tread, so started one. When I was driving my YJ, after a couple years wheeling it, I decided to install a snorkel. Yes, to me it was giving it a nice extrem adventure look, but I also put my self in position where I ad close calls and figured that a snorkle was chepaer than an...

    Started by Lucky j, 05-18-2016 10:18 PM
    • Replies: 0
    • Views: 37,774
    05-18-2016, 10:18 PM Go to last post
  18. OPDA - issues/comments

    I thought I would start this thread since it involves 2005 & 2006 Jeeps. I don't have any personnel experience with it yet, so I'm reposting a few responses from another site. Keep in mind this thread is over 300 pages long (and still active). Reference to modifying OEM part... And why...

    Started by 1 Long TJ, 06-01-2014 02:29 PM
    • Replies: 5
    • Views: 8,955
    04-19-2016, 11:14 AM Go to last post
  19. Tranny issues at 87K miles

    I've posted stuff here and there around the forum, but I'm gonna stick all this here in cse it might help someone in the future. Plus I'll be able to find it later. Back in July I was driving home from work in the ol LJeep and the check engine light came on. Jeep drove fine. Let it sit for a few...

    Started by EllJay05, 10-27-2015 10:36 AM
    • Replies: 2
    • Views: 4,506
    10-28-2015, 05:15 PM Go to last post
  20. Trans cooler

    Hey y'all Any one running a trans cooler? If so: What kind, cost, pros/cons etc.

    Started by Detroiter, 02-21-2015 09:31 PM
    • Replies: 2
    • Views: 8,488
    02-22-2015, 03:22 PM Go to last post
  21. can you do a belly without a slip yoke eliminator?

    I want to do a tummy tuck on 06lj. I am running 2.5 inch arb springs and some .75 pucks. I am looking ant the MORE engine lfit and teraflex belly up skid. Any of you guys done a tummy tuck without the slip yoke eliminator? the pucks will come out after I get metalcloaks. Cheers!

    Started by mike51robo, 02-02-2015 10:32 AM
    • Replies: 0
    • Views: 41,983
    02-02-2015, 10:32 AM Go to last post
  22. engine lope at idle

    took my baby out for some light wheeling for a few hours last Saturday. Did fine. Was a little dusty out (not horrible) and I did run through a single puddle (axle deep). I didn't push it very hard and it did great on the trails. Loaded it up on Saturday afternoon and brought it home. My boyfriend...

    Started by EllJay05, 08-22-2014 01:44 PM
    • Replies: 2
    • Views: 41,038
    08-23-2014, 01:12 PM Go to last post
  23. Belly Up or Tummy Tuck on a lifted LJ help.

    I am looking into doing a Belly up on my LJ. Has anyone done it? What issues if any did you run into? I want to have all the stuff I need to complete the job. Any help would be greatly appreciated. Here is what is done to the Jeep. 4" Short arm kit 1" body lift 1" motor mount lift (Brown...

    Started by Tool, 06-12-2014 12:09 PM
    • Replies: 5
    • Views: 10,047
    08-04-2014, 11:43 AM Go to last post
  24. Transmission pan upgrade.

    I was doing some research on aftermarket trans.pans and I found a thread that implied the '06 had an improved pan already on it. However, when I compared what I had on my '06, it fit the description of the old one. Anyone else have any information on this. Copied from this thread -...

    Started by 1 Long TJ, 12-01-2013 02:49 PM
    • Replies: 1
    • Views: 4,216
    12-06-2013, 01:46 AM Go to last post
  25. Cool Banks Monster cat-back stainless exhaust - install/review

    I got this from the brown truck today to replace my rapidly rusting GIANT muffler/tailpipe. Install tomorrow. Banks kit 51315

    Started by bigwalton, 04-25-2013 01:07 AM
    • Replies: 4
    • Views: 7,770
    05-09-2013, 11:35 PM Go to last post

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