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  1. M

    NP 231J Transfer Case

    HI all, Anyone have a transfer case in good shape they don't need or have been trying to sell. The forks shifted around in mine and were grinding into the side of the case. Mine is trashed, last piece to finally get me back on the road. peepers
  2. M

    how to disable hazard flashers

    1990 jeep xj hola, my hazard switch is broken in the steering column. I cannot turn off the hazards without killing the brake lights as well by pulling the fuse. is there a relay or switch in the engine compartment that controls hazards I can unplug? I cant fix the column now and to be...
  3. M

    Backfiring in the Intake Manifold

    Hi All, I've been sitting on my hands the past couple weeks a bit stumped. 90 Renix 4.0L I have replaced plugs/cap/rotor Jeep cranks longer to start, always starts. Now, it hesitates and loses power between 20-35 mph, when you give it gas. I'm stuck, I don't have a fuel pressure gauge...
  4. M

    CCV Valve -

    Hey all, Was running rough up in the mountains opened hood and saw the PCV hose going into the tree had popped off and the CCV valve at the rear of the valve cover was just dangling. I have an aftermarket air intake. Is the CCV valve supposed to just be loose? If not where should it be...
  5. M

    Fuel filter question.

    I just replaced the fuel filter a couple months ago, it's a FRAM. I don't see an arrow on the filter to indicate direction. Not sure if it would run if it was backwards. 90Xj Renix 4.0L It used to fire up quickly, now it cranks a long time. It used to be responsive and punchy to throttle, now...
  6. M

    Transfer Case Cone Leak

    I have a very slow leak coming out of the cone at the rear driveshaft. Is this something that should be dealt with quickly or is it just a slow aggravating leak? Everything seems ok, but i'm concerned with running out of fluid in the transfer case. Is it transmission fluid?
  7. M

    Good site for Parts and Lookups

    Hi all, Shopping for an EGR Valve and finding that my part was about 110 dollars kinda floored me at Checker and Autozone. I found it for 80 here. I found this website and thought it may be really helpful for alot of us. Excellent prices, Excellent Interface and Pictures of the Parts. They...
  8. M

    Emissions NOx failure

    Hi all. I paid a visit to the AZ Dept of Environmental Quality and Failed my Emissions Check. :thumbdn: The 90 XJ 4.0 passed emissons in Tucson 4 months ago, and Maricopa county checks NOx which failed me. Readings from 05/08: (loaded/idle) HC - 77 - 220 pass , 81 - 220 pass (Parts per...
  9. M

    Aftermarket Fan Clutch install.

    I've got a new Autozone Torqflo Fan Clutch to install. I have everything apart and the factory has a lower clearance than the Torqflo. How do you tilt the radiator to fit the new fan clutch back on the pulley? Or am I missing something? thanks :)
  10. M

    Rattle-Grind Noise Below XJ w/ CC, Downhills, and Foot off Throttle

    As described in the post. Not sure if I want to know this answer or not. Here goes... My 90 XJ 4.0 is now running solid, however when I either let my foot off the gas, am coasting downhill, or have the Cruise Control engaged and it slows there is a rattle/grind/vibration noise below the...
  11. M

    Start to Finish Closed System Flush and Burp.

    I was hoping someone could provide or point me to a from start to finish system flush and burp guide. Flush is a commonly used search term. I've only flushed a 69 volvo before :) So, whats first and what important steps do I need to take on a 90 cherokee, 4.0 I6 with a closed system and a new...
  12. M

    Overheating - Overflow Reservoir

    Hi all, I took my Jeep out for its first Wilderness trip, and 7 miles in climbing a slightly steep hill it overheats. I was in lower gears going 30 mph or so. I had been on the interstate and all was fine, and the fans are working. I also live in Phoenix and it was 113 on the local roadside...
  13. M

    Ignition Switch and Actuator Rod

    Hi Guys, I have searched all over and i'm not sure anyone has talked about this. I took spent yesterday removing and attempting to reinstall my ignition switch on my 90 XJ, Auto, 4.0. I got it off no problem but I could not get the actuator rod to fit into the slider switch of the new...
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