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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.

32204 topics in this forum

  1. What is the most important tip you'd share with MJ owners? 1 2 3 4 12

    By Pete M,
    • 281 replies
    • 215.3k views

  2. how many miles on your truck's factory engine? 1 2 3 4 5

    By Pete M,
    • 124 replies
    • 66.6k views

  3. ***Rules for the Comanche Club forums*** 1 2

    By Pete M,
    • 27 replies
    • 26k views

  4. CC Members - Create a Signature to Describe Your MJ

    By HOrnbrod,
    • 23 replies
    • 25.6k views

  5. REM installed and seeking translations

    By NC Tom,
    • 5 replies
    • 104 views

  6. Make a Comanche more garage friendly?

    By NC Tom,
    • 15 replies
    • 319 views

  7. Factory Radio Help Needed (Power, No Audio)

    By Dryicekills,
    • 3 replies
    • 102 views

  8. Brake line fitting sizes

    By InTacosWeTrust,
    • 9 replies
    • 175 views

  9. Bench seat head rest upgrade 1 2

    By Muncher,
    • 30 replies
    • 1.2k views

  10. 4.0 Renix - Timing is off 180° but runs

    By Big_Mark,
    • 10 replies
    • 1.1k views

  11. blow-by or something else

    By watchamakalit,
    • 17 replies
    • 204 views

  12. Coolant Loss. Dip stick clean, and no leaks

    By RG67MA,
    • 1 reply
    • 56 views

  13. Sending unit

    By terryt,
    • 14 replies
    • 203 views

  14. Fuse Box Gasket

    By H3ADBANG4L1F3,
    • 10 replies
    • 937 views

  15. What shackles are you running with SOA lift and stock Comanche leaf springs?

    By Ricky8227,
    • 12 replies
    • 192 views

  16. Brake system upgrade for 89 Comanche

    By comanche_chris,
    • 2 replies
    • 93 views

  17. Found the nightmare (reason axle is not centered)

    By Ricky8227,
    • 21 replies
    • 335 views

  18. Adjustable track bar options for 0 lift?

    By EdJarHead,
    • 10 replies
    • 198 views

  19. Coolant Pressure Tester Kit that works with the Renix Closed System

    By robfg67,
    • 3 replies
    • 77 views

  20. Treasure trove of parts - Not sure if this is the right thread for this! 1 2

    By Rotten Ralphy,
    • 44 replies
    • 3.4k views

  21. Mystery brace rod- SOLVED

    By coheed,
    • 9 replies
    • 278 views

  22. Anyone want to sell rear fender flares and mounting brackets?

    By Ricky8227,
    • 4 replies
    • 145 views

  23. Transmission Speed Sensor location (PICS)

    By coolwind57,
    • 13 replies
    • 300 views

  24. Blower Motor Review: Four Seasons 75089, a worthy replacement!

    By Salvagedcircuit,
    • 5 replies
    • 131 views

  25. What it took to get reverse lights...

    By Gojira94,
    • 7 replies
    • 245 views
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