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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.

31995 topics in this forum

  1. high speed vibration

    By 10thta,
    • 8 replies
    • 636 views

  2. Steering/tie rod getting stuck on track bar

    By MulletDaddy25,   
    • 3 replies
    • 439 views

  3. Looking to understand some repair and modifications for transmission and differentials

    By Thandraux,
    • 15 replies
    • 873 views

  4. 1989 4.0 5 Speed MJ Running Slightly Cool?

    By oleskool,
    • 7 replies
    • 903 views

  5. 89 Jeep Comanche 4.0 won’t start

    By Lukas Eder,
    • 4 replies
    • 4.7k views

  6. Rugged Ridge Front Tow Hooks

    By War_Pony89,
    • 6 replies
    • 587 views

  7. Replacement 02 Sensor

    By Top C,
    • 14 replies
    • 1.2k views

  8. Front Signals Don't Work with Parking/Headlights On

    By jamcomanche,
    • 13 replies
    • 1.3k views

  9. 1989 MJ Stalling Issue

    By oleskool,
    • 4 replies
    • 555 views

  10. Towing uhaul car trailer with comanche?

    By 10thta,
    • 4 replies
    • 966 views

  11. Stutter/Sputter/Uphill-lane change Power Loss

    By Thandraux,
    • 12 replies
    • 1.2k views

  12. 1989 Comanche fuel pump relay buzzing... 1 2

    By Andy in Pa,
    • 28 replies
    • 2.1k views

  13. Sputtering bucking back firing under load

    By 92manche,
    • 7 replies
    • 440 views

  14. 2.5" brake shoes on dana 35??

    By 10thta,
    • 6 replies
    • 1.1k views

  15. Windshield Replacement options

    By skidoo_j,
    • 15 replies
    • 3.1k views

  16. Replacing Shocks. Seeking Advice/tips. 1 2

    By MinnesotaManche,   
    • 25 replies
    • 4.8k views

  17. Fuel pump bracket

    By ftpiercecracker1,
    • 4 replies
    • 560 views

  18. Can I use a later XJ Heater Core

    By howeitsdone,
    • 7 replies
    • 1.7k views

  19. Sway Bar Link Dimensions

    By AZJeff,
    • 1 reply
    • 328 views

  20. Shift into 4 wheel drive

    By Virginia,
    • 16 replies
    • 1.6k views

  21. 2.5" brake shoes on dana 35??

    By 10thta,
    • 3 replies
    • 417 views

  22. Parasitic Battery Draw

    By rccubed,
    • 10 replies
    • 1k views

  23. loss of brake fluid

    By Muncher,
    • 5 replies
    • 706 views

  24. welp I do NOT pass emissions

    By Jesse J,
    • 22 replies
    • 792 views

  25. Inner CAD bearing removal?

    By jeepmjga,
    • 6 replies
    • 410 views
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