MJ Tech: Modification and Repairs

32576 topics in this forum

1. how many miles on your truck's factory engine? 1 2 3 4 6

   By Pete M, April 14, 2019
   • 128 replies
   • 112.1k views
   • 
   • jodawill
   • November 17, 2025

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

   By Pete M, January 21, 2009
   • 282 replies
   • 282.3k views
   • 
   • Kickin’Chicken
   • May 23, 2025

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

   By Pete M, June 22, 2006
   • 27 replies
   • 41k views
   • 
   • Jeepman73
   • June 13, 2022

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

   By HOrnbrod, November 22, 2016
   • 23 replies
   • 34.7k views
   • 
   • mac9x
   • July 24, 2021

5. need new links to the various Factory Shop Manual PDFs

   By Pete M, February 15, 2020
   • 10 replies
   • 3.7k views
   • 
   • Sir Sam
   • May 20, 2020

6. MJ in Norway

   By Caspar, 4 hours ago
   • 2 replies
   • 30 views
   • 
   • Eagle_SX4
   • 1 hour ago

7. Factory Fog lights

   By Carlos30, yesterday at 03:32 PM   

   • fog light
   • 6 replies
   • 139 views
   • 
   • eaglescout526
   • 14 hours ago

8. What kind of rear axle?

   By Caspar, February 1
   • 10 replies
   • 362 views
   • 
   • mjeff87
   • Yesterday at 01:09 PM

9. Advice on a mild prerunner build

   By BootsNTrucks, Monday at 02:30 PM
   • 3 replies
   • 136 views
   • 
   • pizzaman09
   • Yesterday at 12:04 PM

10. Front tow hooks? 1 2

    By xj_dummy, November 19, 2008
    • 38 replies
    • 6.8k views
    • 
    • fiatslug87
    • Yesterday at 04:28 AM

11. Anyone recognize this paint color?

    By hgeranium, January 31
    • 9 replies
    • 235 views
    • 
    • Spinnakerblue89
    • Yesterday at 01:21 AM

12. Running lights INOP

    By thejeepmanwithcrocs, Tuesday at 03:19 PM
    • 7 replies
    • 178 views
    • 
    • thejeepmanwithcrocs
    • Wednesday at 01:37 AM

13. Faulty ECU? Running rich, no 5v oxygen sensor signal (1989 2.5L)

    By Doc Payne, Monday at 03:21 PM
    • 0 replies
    • 90 views
    • 
    • Doc Payne
    • Monday at 03:21 PM

14. Gradual power loss

    By Roger Slater, February 5
    • 17 replies
    • 258 views
    • 
    • eaglescout526
    • February 7

15. 2.8 flexplate question

    By ratrapp, February 7
    • 0 replies
    • 63 views
    • 
    • ratrapp
    • February 7

16. Heater Core Flow Direction

    By JZLAJeep, January 24
    • 7 replies
    • 337 views
    • 
    • JZLAJeep
    • February 5

17. HO distributor in a Renix system?

    By Thorwon, January 28
    • 4 replies
    • 233 views
    • 
    • Thorwon
    • February 4

18. What radiator fits our fan switch?

    By xjustinx, February 1
    • 3 replies
    • 146 views
    • 
    • xjustinx
    • February 4

19. Renix Snap-on erratic readings

    By knever3, January 30
    • 12 replies
    • 310 views
    • 
    • derf
    • February 2

20. New Pump not working/priming JPSU-6P4.0

    By Elwiscon, January 28
    • 13 replies
    • 330 views
    • 
    • hgeranium
    • February 1

21. "Magical" Jump Box!!!

    By NC Tom, January 31
    • 3 replies
    • 164 views
    • 
    • 75sv1
    • February 1

22. Help with unknown plug.

    By JimiGibbs, February 1
    • 3 replies
    • 136 views
    • 
    • eaglescout526
    • February 1

23. High pressure fuel line

    By bruce9, January 29
    • 1 reply
    • 129 views
    • 
    • Thorwon
    • January 31

24. Cover for Winter Storage

    By Porquer, January 29   

    • car cover
    • 0 replies
    • 78 views
    • 
    • Porquer
    • January 29

25. Car Cover for Outdoor Storage

    By Porquer, January 29
    • 0 replies
    • 80 views
    • 
    • Porquer
    • January 29