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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.

32415 topics in this forum

  1. Misfires, jumps and feels like maybe sensors?

    By MobilJoe1,
    • 9 replies
    • 1.2k views

  2. Grinding noise sometimes when I turn the key

    By Classy Comanche,
    • 18 replies
    • 1.6k views

  3. Convert bench to bucket seats 1986 Comanche

    By Guyverix,
    • 2 replies
    • 801 views

  4. Fuel pump assembly

    By 525JoeComanche,
    • 2 replies
    • 586 views

  5. Dash Plug Identification

    By BizarroStormy,
    • 4 replies
    • 654 views

  6. Serpentine belt length

    By Anthi4078,
    • 2 replies
    • 966 views

  7. Cooling Question 1 2

    By Bald Eagle,
    • 30 replies
    • 2.9k views

  8. AX15 Hydraulic Hose O-ring Fitment

    By howeitsdone,
    • 1 reply
    • 712 views

  9. whats with these dual rate coil springs?

    By MancheKid86,
    • 4 replies
    • 760 views

  10. Power Steering Reservoir Blowing out Oil??

    By Griff04,
    • 12 replies
    • 8.5k views

  11. Mixing and matching

    By Eagle,
    • 7 replies
    • 1.1k views

  12. Fuel and brake lines

    By Elwiscon,
    • 2 replies
    • 568 views

  13. Who sells the best Crank Position Sensor for an 89

    By Shoveldead,
    • 1 reply
    • 610 views

  14. Brakes

    By MikeM,
    • 4 replies
    • 835 views

  15. Fixin' up an '89 I just bought, have a few questions. 1 2

    By Spinnakerblue89,
    • 31 replies
    • 2.5k views

  16. Electronic switch for NP231

    By Anthi4078,
    • 1 reply
    • 523 views

  17. Engine will not continue when starting

    By Manche757,
    • 22 replies
    • 1.8k views

  18. Water leak at fuse box

    By 87MJTIM,
    • 9 replies
    • 1.7k views

  19. I'm trying to do this methodically🤔

    By AbreedApart89South,
    • 2 replies
    • 497 views

  20. 1989 Comanche

    By DanteKemink,
    • 1 reply
    • 514 views

  21. New fogs and Bluetooth radio adapter

    By Rubikahn,
    • 2 replies
    • 637 views

  22. 22 year revival

    By 1986MJX,
    • 24 replies
    • 1.5k views

  23. Cheaper to buy a new door or weld in metal?

    By yungupgrade,
    • 6 replies
    • 687 views

  24. '86 Long-bed mat and new grille

    By Wallace,
    • 2 replies
    • 799 views

  25. 2wd/4wd Swap

    By Hafner,
    • 2 replies
    • 752 views
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