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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.

32733 topics in this forum

  1. 87 4.0 renix engine quits

    By Ken Seymour,
    • 2 replies
    • 576 views

  2. Wanted: Help Ship a MJ Bumper From South Carolina to New York

    By Salvagedcircuit,
    • 6 replies
    • 926 views

  3. Short Starter Life

    By AnotherOldJeepGuy,
    • 10 replies
    • 982 views

  4. Fuel pump options for 4.0HO swap

    By AZMJ89,
    • 8 replies
    • 984 views

  5. TPS bolt broke

    By joeCor,
    • 19 replies
    • 2.2k views

  6. IDLE drop at open loop then looping

    By golddigger,
    • 4 replies
    • 842 views

  7. RADIATOR 1986 COMANCHE 2.5L MANUAL 5 SPEED

    By SLOTMAN,
    • 4 replies
    • 614 views

  8. Aux Fax setup

    By ddlanes21,
    • 1 reply
    • 451 views

  9. Fuel level sender

    By Ken Seymour,
    • 9 replies
    • 953 views

  10. Fuel hose by fuel tank

    By 1991mj,
    • 9 replies
    • 1.5k views

  11. Parking Brake Stop

    By James92,
    • 8 replies
    • 797 views

  12. Do I Have a Dana 44 in the front?

    By Cami.1987,
    • 3 replies
    • 565 views

  13. Renix 2.5 coolant overflow bottle

    By Eagle_SX4,
    • 6 replies
    • 676 views

  14. Vibration

    By terryt,
    • 5 replies
    • 680 views

  15. Here’s a pic of the inside of my new 23.5 gallon tank…

    By Kickin’Chicken,
    • 6 replies
    • 1.2k views

  16. Help: Spare Tire Carrier Components

    By DesertComanche86,
    • 19 replies
    • 2.4k views

  17. Fuel sender pinout needed

    By ghetdjc320,
    • 3 replies
    • 562 views

  18. Fuel Gauge, Oil Gauge

    By Elwiscon,
    • 11 replies
    • 1.1k views

  19. Any Creative Ideas for Gap Between Cab and Shell

    By Buffalo515,
    • 6 replies
    • 1k views

  20. Sensor

    By aussiebob,
    • 5 replies
    • 719 views

  21. 23.5 gallon gas tank? I’ve got the ‘87 Long bed with 120” wheelbase

    By Kickin’Chicken,
    • 16 replies
    • 2k views

  22. Dual Din Head Unit - Low Profile Solution

    By Salvagedcircuit,
    • 3 replies
    • 790 views

  23. Need help. Bucking loss of power. 1 2

    By joeCor,
    • 31 replies
    • 2.9k views

  24. Front Lift

    By that_lm7_MJ,
    • 5 replies
    • 767 views

  25. 4.0L I6 F fuel mileage

    By Mikey1989,
    • 15 replies
    • 3.6k views
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