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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.

32617 topics in this forum

  1. IAC Voltage

    By Dandxj,
    • 3 replies
    • 833 views

  2. Pictures needed of 4wd linkage for 86

    By Chad R,
    • 6 replies
    • 670 views

  3. 4.0's favorite oil? (and change interval) 1 2

    By brucecooner,
    • 37 replies
    • 6.8k views

  4. 91 MJ Driver Door Jamb fail

    By pago cruiser,
    • 6 replies
    • 1.3k views

  5. idle issues

    By Redhawk,
    • 10 replies
    • 1.7k views

  6. Rear window - One piece vs Slider

    By Airborne Janitor,
    • 9 replies
    • 1.4k views

  7. Renix Adjustable Fuel Pressure Regulator

    By boxyjeep,
    • 1 reply
    • 668 views

  8. Interior - Rear Window panel panel pins

    By Big_Mark,
    • 1 reply
    • 647 views

  9. What is a good brand for a lift in a 1990 pioneer?

    By Jaida1008,
    • 2 replies
    • 601 views

  10. 99 Cherokee Parts?

    By pago cruiser,
    • 6 replies
    • 1k views

  11. Brake Switch Trouble after WJ Booster Install

    By howeitsdone,
    • 4 replies
    • 944 views

  12. Fuel sending unit?

    By yungupgrade,
    • 2 replies
    • 1.2k views

  13. Bed drainage?

    By scguy,
    • 6 replies
    • 1.1k views

  14. Gets hot after long, high RPM drive 1 2

    By 89 MJ,
    • 32 replies
    • 2.9k views

  15. Coolant overflow reservoir question

    By Classy Comanche,
    • 6 replies
    • 1.1k views

  16. R12 -r134a problem

    By 1991mj,
    • 1 reply
    • 650 views

  17. Another source for rear bumpers and suspension

    By ghetdjc320,
    • 5 replies
    • 1.5k views

  18. OE rear shackle

    By Dandxj,
    • 9 replies
    • 1.1k views

  19. Fuel Tank Vent Hoses

    By Dandxj,
    • 1 reply
    • 800 views

  20. Steering rack and pinion 1 2

    By SeasToSwamps,
    • 33 replies
    • 5.9k views

  21. Transmission

    By 72cut,
    • 2 replies
    • 891 views

  22. Vaccum Harness Items on Drivers Side Engine Bay

    By Salvagedcircuit,
    • 3 replies
    • 795 views

  23. 1989 Jeep Comanche how to install universal ignition switch ?

    By Jrwhite3230,
    • 1 reply
    • 858 views

  24. Looking for good bench seat cover

    By Whitaker717,
    • 21 replies
    • 1.6k views

  25. Bed rust repairs

    By yungupgrade,
    • 4 replies
    • 1.1k views
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