MJ Tech: Modification and Repairs

32840 topics in this forum

1. Heater Core Recommendations

   By Blaine.D, February 1, 2023
   • 21 replies
   • 4.3k views
   • 
   • 89 MJ
   • December 9, 2025

2. Thermostat opening temp opinions

   By hgeranium, December 7, 2025
   • 6 replies
   • 694 views
   • 
   • hgeranium
   • December 8, 2025

3. What’s this on my oil dipstick?

   By hgeranium, December 8, 2025
   • 4 replies
   • 745 views
   • 
   • watchamakalit
   • December 8, 2025

4. Manifold install 1 2

   By eaglescout526, November 26, 2025
   • 29 replies
   • 2k views
   • 
   • 75sv1
   • December 8, 2025

5. Vinyl/rubber flooring

   By derf, December 4, 2025
   • 4 replies
   • 690 views
   • 
   • Salvagedcircuit
   • December 8, 2025

6. upper control arm help

   By vhfr1289, December 5, 2025
   • 6 replies
   • 755 views
   • 
   • llhat
   • December 8, 2025

7. help

   By Dylanh86, December 5, 2025   

   • carburetor
   • fuel pump
   • 1 reply
   • 517 views
   • 
   • Gojira94
   • December 6, 2025

8. 88 Instrument Cluster Help

   By RNMashups, November 10, 2025
   • 7 replies
   • 852 views
   • 
   • RNMashups
   • December 4, 2025

9. Oil blow-by and a strange liquid

   By hgeranium, December 2, 2025
   • 7 replies
   • 745 views
   • 
   • llhat
   • December 3, 2025

10. Bent Axle

    By Eagle_SX4, December 2, 2025
    • 12 replies
    • 1.1k views
    • 
    • Eagle_SX4
    • December 3, 2025

11. Replacing the radio in the 89 Eliminator

    By grey89elim, December 1, 2025
    • 9 replies
    • 888 views
    • 
    • Smokeyyank
    • December 2, 2025

12. 1986 LWB Comanche sending unit

    By LoSwap88, December 2, 2025
    • 1 reply
    • 492 views
    • 
    • eaglescout526
    • December 2, 2025

13. Need Source for Body Graphics

    By AZJeff, December 1, 2025
    • 6 replies
    • 676 views
    • 
    • fiatslug87
    • December 2, 2025

14. 86 2.8 serpentine belt question

    By ratrapp, November 30, 2025
    • 8 replies
    • 654 views
    • 
    • ratrapp
    • December 1, 2025

15. Niche Problem

    By TheNerfsmith, November 29, 2025
    • 0 replies
    • 337 views
    • 
    • TheNerfsmith
    • November 29, 2025

16. Quartz clock stuck at 1:00, not blinking

    By hgeranium, November 29, 2025
    • 3 replies
    • 426 views
    • 
    • eaglescout526
    • November 29, 2025

17. The wiring in this truck is something special

    By 90comanchegirl, November 28, 2025
    • 3 replies
    • 531 views
    • 
    • eaglescout526
    • November 28, 2025

18. Braided cover on lower coolant hose - needed?

    By AnotherOldJeepGuy, November 25, 2025
    • 5 replies
    • 527 views
    • 
    • AnotherOldJeepGuy
    • November 28, 2025

19. Sun Visor Compatibility

    By robfg67, November 28, 2025
    • 4 replies
    • 552 views
    • 
    • fiatslug87
    • November 28, 2025

20. Will fitted XJ front floor mats fit a Comanche?

    By dasbulliwagen, September 14, 2022
    • 14 replies
    • 3.3k views
    • 
    • dasbulliwagen
    • November 27, 2025

21. Windshield washer pump

    By hgeranium, November 23, 2025
    • 3 replies
    • 472 views
    • 
    • eaglescout526
    • November 26, 2025

22. Speedo noise question

    By PomPom, November 25, 2025
    • 2 replies
    • 448 views
    • 
    • PomPom
    • November 25, 2025

23. Clutch Slave FUBAR or not?

    By Gojira94, November 19, 2025
    • 11 replies
    • 876 views
    • 
    • Gojira94
    • November 25, 2025

24. XJ/MJ parts swap

    By Jeepers8606, November 5, 2024
    • 16 replies
    • 2.6k views
    • 
    • eaglescout526
    • November 25, 2025

25. The Comanche has failed me 1 2 3

    By hgeranium, November 14, 2025
    • 58 replies
    • 3.7k views
    • 
    • llhat
    • November 24, 2025