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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.

32515 topics in this forum

  1. Rol Fogs

    By Muncher,
    • 14 replies
    • 1.3k views

  2. Who’s running 35x12.50x17s?

    By JordanTMiller,
    • 6 replies
    • 1.3k views

  3. Renix 2.5L Overflow Tank Cap

    By Minuit,
    • 7 replies
    • 2.2k views

  4. Blower motor turns backwards

    By olddude,
    • 4 replies
    • 955 views

  5. Taillight Stolen

    By Manche757,
    • 21 replies
    • 2.8k views

  6. Ac smell

    By Muncher,
    • 7 replies
    • 1.6k views

  7. 1989 jeep mj eliminator 4wd

    By Davidsamplesmjjr,
    • 18 replies
    • 1.6k views

  8. wiring possible ground issue

    By jeeppapa,
    • 1 reply
    • 666 views

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

    By Davidsamplesmjjr,
    • 19 replies
    • 1.8k views

  10. front lower control arms

    By Davidsamplesmjjr,
    • 14 replies
    • 1.7k views

  11. Gear recommendations

    By scguy,
    • 11 replies
    • 1.7k views

  12. Looking for a new rear bumper, any suggestions

    By EverGear,
    • 3 replies
    • 880 views

  13. 42Re-Aw4 Swap

    By jimoshel,
    • 14 replies
    • 18k views

  14. Headlights work marker lights don’t

    By Aidanfenn,   
    • 3 replies
    • 875 views

  15. LS swap guys! Need some input!

    By krustyballer16,
    • 14 replies
    • 1.5k views

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

    By Big Dan,
    • 43 replies
    • 4.6k views

  17. Does my truck have ac

    By 89restoration,
    • 5 replies
    • 926 views

  18. Tailgate won’t open

    By ratty,
    • 10 replies
    • 1.8k views

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

    By james-mc,
    • 51 replies
    • 6k views

  20. 302 or 347 in a COMANCHE???

    By kaidenlem,
    • 8 replies
    • 1.4k views

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

    By A-man930,   
    • 59 replies
    • 17.1k views

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

    By CoastChief,
    • 22 replies
    • 2.6k views

  23. Electrical madness!

    By Jade cats,
    • 6 replies
    • 1.2k views

  24. 2.5L airbox

    By Rubikahn,
    • 2 replies
    • 900 views

  25. Ax-15 swap

    By scottie005,
    • 3 replies
    • 878 views
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