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  1. YJ Wrangler Technical Forum
    stock 1989 4.2L 5-speed with 227,000 miles; owned since new; passed the sniffer test but failed on timing test CA smog allows timing +/- 3 degrees of spec (around 9 degrees). Initial smog test timing was 19 degrees. Reset timing to spec and second smog test timing came in at 40. Reset to...
  2. Jeep Cherokee & Comanche Forums
    Hello, My 1989 Jeep Cherokee i6 4.0L is making a weird crackling noise. (See attached video link) https://gopro.com/v/nrDOazEwyowd7 This noise only occurs when going from a stopped position and accelerating. Can be heard with first or second gear take offs. However while already moving and...
  3. Engines & Drivetrain
    I own a 1989 Jeep wrangler. I bought it about a year ago. It was already burning oil and had low compression. So I pulled the engine apart to swap out the rings and rod bearings. I come to find out the little four-banger has been bored 40 over. I've never had to deal with finding rings that...
  4. XJ Cherokee Technical Forum
    There's a guy near here selling a 1989 Cherokee with the 4.0 for $1000. It's got 171k on the odonomter and it looks like it's in decent shape from the pics. Looks like a decent 20 foot paint job on it, but doesn't look like a total rust bucket. Is there anything I need to look out for with...
  5. YJ Wrangler Technical Forum
    I need to fix my parking brake because it will not hold it think it needs to be tightened but I can't get the bolt to move any ideas what I could do?
  6. Double Aces

    Red 1989 (4.2 Manual) Green 1993 (4.0 Auto)
  7. YJ Wrangler Technical Forum
    This is going to be long post. I'm a verbose old boy, and believe that all too often on these posts (and I've read a bunch of them relating to this problem as late) that not enough information is given from the getgo, leading to subsequent posts till the story gets all straightened out...I'm...
  8. Jeep Buying Forum
    found out what i was looking for
  9. YJ Wrangler Technical Forum
    Hi what's up guys I was wondering if a Fan Shroud from another car or truck will fit for my 1989 2.5L Jeep Wrangler because its cracked and I really don't want to pay $150 on one they are to expensive. Thank you! :2thumbsup:
  10. Jeep Buying Forum
    I am looking at buying red 1989 jeep Yj - islander edition. It is in good condition being a 1989 Yj. It has no rust at all other than the battery mount(this is not concern for me) but I will eventually fix it. The breaks or in good condition, the seat belt is broken, all fluids need to be...
  11. YJ Wrangler Technical Forum
    I have an 1989 wrangler YJ, 4.2l, with 5 speed manual. The transmission has about had it. What I am wondering is what transmissions will interchange.. I.e. from other makes, models or years. I'm not really sure exactly what Trans I currently have just know its either going to need rebuilt or...
  12. Engines & Drivetrain
    Hi Everyone, I'm hoping all of your extensive experience will get me out of this one... I have a 1989 Jeep Wrangler with a 2.5 liter engine. It had been running like a Lexus until the last few weeks. Now, when I run it for 45 minutes or so (sometimes more, sometimes less), it loses power...
  13. XJ Cherokee Technical Forum
    I'm finally about to start restoring my 89 Jeep Cherokee Laredo. It's going to be a daily driver, and stay pretty much stock except for a few toys (2" lift, tire rack, etc.) My question is about the changes that happened to the 4.0 in 1991 resulting in about 14 more HP. I read that the main...
  14. YJ Wrangler Technical Forum
    just bought a 89 wrangler first jeep has the 4.2 in it. the serpentine belt has been making noise bought a new one went to replace it and cant figure out how to take off the old one i haven't been able to find any help hoping someone could help me on here thanks
  15. YJ Wrangler Technical Forum
    Im looking to buy a '89 Jeep Wrangler Sahara YJ. What should i look out for dealing with needed replacement parts. This is what has been done to it so far-- Its at 56 K Miles -Clean title - only one owner -Never had an accident -New rear brakes last year, also had drums turned. New Front brakes...
  16. MJ Comanche Technical Forum
    Hi guys, I have an '89 4.0L I6, I think it is an AMC motor, but I don't know where I can find that out; if anyone else knows how to check that please post! Anyway, I just replaced the stock oil pump, (it was waaay worn out inside and I was getting no oil pressure) with a high flow pump and at...
  17. YJ Wrangler Technical Forum
    Just purchased a 1989 Jeep Wrangler 4.2l and I took it onto the beach and ended snapping some bolts that were attached to the rear driveshaft and I am planning to fix this ASAP. However before I put any new parts I was wondering if anybody knows what axles I probably have on here (presuming...
  18. YJ Wrangler Technical Forum
    K so i just picked up this AX15 from a guy for free :cheers2: :2thumbsup: I started taking it apart and it looks so freaking nice, that i was surprised. The guy said it was stiff in first gear. Maybe he was just a wuss, but if not. How do I tell if a synchro is worn out. :confused: Thanks for...
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