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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.

32704 topics in this forum

  1. Renix 2.5L Overflow Tank Cap

    By Minuit,
    • 7 replies
    • 2.4k views

  2. Blower motor turns backwards

    By olddude,
    • 4 replies
    • 1.1k views

  3. Taillight Stolen

    By Manche757,
    • 21 replies
    • 3.2k views

  4. Ac smell

    By Muncher,
    • 7 replies
    • 1.8k views

  5. 1989 jeep mj eliminator 4wd

    By Davidsamplesmjjr,
    • 18 replies
    • 2k views

  6. wiring possible ground issue

    By jeeppapa,
    • 1 reply
    • 767 views

  7. can i convert my rear mj axle to coils? without welding anything or paying a arm and a leg?

    By Davidsamplesmjjr,
    • 19 replies
    • 2.2k views

  8. front lower control arms

    By Davidsamplesmjjr,
    • 14 replies
    • 1.9k views

  9. Gear recommendations

    By scguy,
    • 11 replies
    • 2k views

  10. Looking for a new rear bumper, any suggestions

    By EverGear,
    • 3 replies
    • 987 views

  11. 42Re-Aw4 Swap

    By jimoshel,
    • 14 replies
    • 19.2k views

  12. Headlights work marker lights don’t

    By Aidanfenn,   
    • 3 replies
    • 1k views

  13. LS swap guys! Need some input!

    By krustyballer16,
    • 14 replies
    • 1.9k views

  14. RPMs drop to zero, while driving - Can't solve 1 2

    By Big Dan,
    • 43 replies
    • 5.3k views

  15. Does my truck have ac

    By 89restoration,
    • 5 replies
    • 1.1k views

  16. Tailgate won’t open

    By ratty,
    • 10 replies
    • 2.1k views

  17. Overheating Diagnosis [1989 Jeep Comanche 4.0L I6] 1 2 3

    By james-mc,
    • 51 replies
    • 7k views

  18. 302 or 347 in a COMANCHE???

    By kaidenlem,
    • 8 replies
    • 1.7k views

  19. Leaf spring overhaul: bushings, bolts, pads, coating, shackles 1 2 3

    By A-man930,   
    • 59 replies
    • 18.5k views

  20. Wrong Rotors? - SOLVED- Break Pads and Rotors for 1988 Jeep Comanche RWD

    By CoastChief,
    • 22 replies
    • 3.1k views

  21. Electrical madness!

    By Jade cats,
    • 6 replies
    • 1.4k views

  22. 2.5L airbox

    By Rubikahn,
    • 2 replies
    • 1.1k views

  23. Ax-15 swap

    By scottie005,
    • 3 replies
    • 1k views

  24. Interior Door Panels

    By Ollie,
    • 3 replies
    • 1.2k views

  25. Interior Switch &Cigarette lighter Install

    By Tonynguy,
    • 4 replies
    • 1k views
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