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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.

32618 topics in this forum

  1. Battery Cable Lengths

    By TheDude,
    • 0 replies
    • 670 views

  2. Replaced my TPS with Mopar

    By KANTANKRUS,
    • 4 replies
    • 1.2k views

  3. Window trim

    By Whitaker717,
    • 5 replies
    • 1k views

  4. WJ front axle

    By Pete M,
    • 4 replies
    • 795 views

  5. Just scored a factory sunroof from an early xj...are these rare?

    By 10thta,
    • 5 replies
    • 1.2k views

  6. EGR Valve

    By Top C,
    • 1 reply
    • 1.2k views

  7. high speed vibration

    By 10thta,
    • 8 replies
    • 1.1k views

  8. Steering/tie rod getting stuck on track bar

    By MulletDaddy25,   
    • 3 replies
    • 907 views

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

    By Thandraux,
    • 15 replies
    • 1.4k views

  10. 1989 4.0 5 Speed MJ Running Slightly Cool?

    By oleskool,
    • 7 replies
    • 1.3k views

  11. 89 Jeep Comanche 4.0 won’t start

    By Lukas Eder,
    • 4 replies
    • 5k views

  12. Rugged Ridge Front Tow Hooks

    By War_Pony89,
    • 6 replies
    • 1.1k views

  13. Replacement 02 Sensor

    By Top C,
    • 14 replies
    • 2k views

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

    By jamcomanche,
    • 13 replies
    • 2k views

  15. 1989 MJ Stalling Issue

    By oleskool,
    • 4 replies
    • 910 views

  16. Towing uhaul car trailer with comanche?

    By 10thta,
    • 4 replies
    • 1.3k views

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

    By Thandraux,
    • 12 replies
    • 2k views

  18. 1989 Comanche fuel pump relay buzzing... 1 2

    By Andy in Pa,
    • 28 replies
    • 3.8k views

  19. Sputtering bucking back firing under load

    By 92manche,
    • 7 replies
    • 851 views

  20. 2.5" brake shoes on dana 35??

    By 10thta,
    • 6 replies
    • 1.7k views

  21. Windshield Replacement options

    By skidoo_j,
    • 15 replies
    • 4.8k views

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

    By MinnesotaManche,   
    • 25 replies
    • 7k views

  23. Fuel pump bracket

    By ftpiercecracker1,
    • 4 replies
    • 1k views

  24. Can I use a later XJ Heater Core

    By howeitsdone,
    • 7 replies
    • 2.2k views

  25. Sway Bar Link Dimensions

    By AZJeff,
    • 1 reply
    • 557 views
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