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MJ Tech: Modification and Repairs

For all your Comanche (MJ) needs.  An excellent place to ask questions, and to discuss modifications and issues.

31924 topics in this forum

  1. Speedo won't work after trans swap - please advise

    By ShitboxTechnical,
    • 6 replies
    • 676 views

  2. OEM towhooks

    By 89 MJ,
    • 5 replies
    • 665 views

  3. Any original buyers seen this at the dealership?

    By Strokermjcomanche,
    • 4 replies
    • 720 views

  4. Not starting issues

    By CGCWO,
    • 2 replies
    • 602 views

  5. fuel pump

    By reevesmanche87,
    • 3 replies
    • 598 views

  6. 1990 Jeep Comanche 2.1 renault manual transmission

    By renzo1234567,
    • 15 replies
    • 1.5k views

  7. 2wd axle parts vs 4wd

    By rylee144,
    • 14 replies
    • 922 views

  8. 89 Comanche 2wd

    By Yoopermanche20,
    • 7 replies
    • 980 views

  9. (Manual) Pedal Assembly Question - Broken Weld

    By 86Redline,
    • 15 replies
    • 726 views

  10. "New" 89 MJ, just needs a little (LOT) TLC

    By Submariner,
    • 6 replies
    • 675 views

  11. which steering wheel puller do you own?

    By Pete M,
    • 15 replies
    • 788 views

  12. Center cap

    By Jay21,
    • 1 reply
    • 14.6k views

  13. Leaking Injector - Injector or O-ring?

    By 87MJJeep,
    • 13 replies
    • 1.4k views

  14. Jack weight

    By Jay21,
    • 8 replies
    • 638 views

  15. Steering wheel swap

    By Whitaker717,
    • 4 replies
    • 438 views

  16. Will not start, Fuel pump problem

    By Tyson Josh,
    • 9 replies
    • 750 views

  17. MJ Bumper options 1 2

    By Tex06,
    • 47 replies
    • 6.1k views

  18. What are these? on a 89 comanche under dash electronics?

    By Submariner,
    • 5 replies
    • 666 views

  19. Gauge cluster swap

    By Overlandmark2020,
    • 8 replies
    • 810 views

  20. Renix 4.0 fuel rail regulator?

    By Joe Doviak,
    • 3 replies
    • 640 views

  21. My 89 quit and won't start now 1 2 3

    By vfb,
    • 57 replies
    • 5k views

  22. Xj ax15-231 driveshaft on mj

    By Sly_Jeeper,
    • 3 replies
    • 472 views

  23. I steam cleaned my Comanche Steering wheel. Here is the video

    By ogjeep,
    • 14 replies
    • 732 views

  24. Hazard lights knob

    By Joy29palms,
    • 6 replies
    • 1k views

  25. Bottoms of Rusted Box.

    By royal11,
    • 7 replies
    • 679 views
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