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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.

32327 topics in this forum

  1. Replaced my TPS with Mopar

    By KANTANKRUS,
    • 4 replies
    • 956 views

  2. Window trim

    By Whitaker717,
    • 5 replies
    • 822 views

  3. WJ front axle

    By Pete M,
    • 4 replies
    • 676 views

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

    By 10thta,
    • 5 replies
    • 929 views

  5. EGR Valve

    By Top C,
    • 1 reply
    • 940 views

  6. high speed vibration

    By 10thta,
    • 8 replies
    • 876 views

  7. Steering/tie rod getting stuck on track bar

    By MulletDaddy25,   
    • 3 replies
    • 628 views

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

    By Thandraux,
    • 15 replies
    • 1.1k views

  9. 1989 4.0 5 Speed MJ Running Slightly Cool?

    By oleskool,
    • 7 replies
    • 1.1k views

  10. 89 Jeep Comanche 4.0 won’t start

    By Lukas Eder,
    • 4 replies
    • 4.8k views

  11. Rugged Ridge Front Tow Hooks

    By War_Pony89,
    • 6 replies
    • 772 views

  12. Replacement 02 Sensor

    By Top C,
    • 14 replies
    • 1.7k views

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

    By jamcomanche,
    • 13 replies
    • 1.6k views

  14. 1989 MJ Stalling Issue

    By oleskool,
    • 4 replies
    • 739 views

  15. Towing uhaul car trailer with comanche?

    By 10thta,
    • 4 replies
    • 1.1k views

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

    By Thandraux,
    • 12 replies
    • 1.6k views

  17. 1989 Comanche fuel pump relay buzzing... 1 2

    By Andy in Pa,
    • 28 replies
    • 2.7k views

  18. Sputtering bucking back firing under load

    By 92manche,
    • 7 replies
    • 609 views

  19. 2.5" brake shoes on dana 35??

    By 10thta,
    • 6 replies
    • 1.4k views

  20. Windshield Replacement options

    By skidoo_j,
    • 15 replies
    • 3.8k views

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

    By MinnesotaManche,   
    • 25 replies
    • 5.6k views

  22. Fuel pump bracket

    By ftpiercecracker1,
    • 4 replies
    • 712 views

  23. Can I use a later XJ Heater Core

    By howeitsdone,
    • 7 replies
    • 1.9k views

  24. Sway Bar Link Dimensions

    By AZJeff,
    • 1 reply
    • 407 views

  25. Shift into 4 wheel drive

    By Virginia,
    • 16 replies
    • 1.8k views
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