MJ Tech: Modification and Repairs

32578 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
   • 112.4k 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
   • 282.4k 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
   • 3.8k views
   • 
   • Sir Sam
   • May 20, 2020

6. Monroe oespectrum ride quality

   By comanche32, 3 hours ago
   • 0 replies
   • 26 views
   • 
   • comanche32
   • 3 hours ago

7. 2.8 flexplate question

   By ratrapp, February 7
   • 9 replies
   • 102 views
   • 
   • The86manche
   • 4 hours ago

8. Tailgate badges/emblems measurements

   By hgeranium, 8 hours ago
   • 3 replies
   • 55 views
   • 
   • fiatslug87
   • 5 hours ago

9. Turn Signals Malfunction in the Rain

   By NickyV, January 5
   • 5 replies
   • 282 views
   • 
   • NickyV
   • Friday at 11:12 PM

10. MJ in Norway

    By Caspar, Friday at 04:40 PM
    • 3 replies
    • 81 views
    • 
    • garyweb3
    • Friday at 09:56 PM

11. Factory Fog lights

    By Carlos30, Thursday at 03:32 PM   

    • fog light
    • 6 replies
    • 155 views
    • 
    • eaglescout526
    • Friday at 06:14 AM

12. What kind of rear axle?

    By Caspar, February 1
    • 10 replies
    • 370 views
    • 
    • mjeff87
    • Thursday at 01:09 PM

13. Advice on a mild prerunner build

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

14. Front tow hooks? 1 2

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

15. Anyone recognize this paint color?

    By hgeranium, January 31
    • 9 replies
    • 241 views
    • 
    • Spinnakerblue89
    • Thursday at 01:21 AM

16. Running lights INOP

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

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

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

18. Gradual power loss

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

19. Heater Core Flow Direction

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

20. HO distributor in a Renix system?

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

21. What radiator fits our fan switch?

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

22. Renix Snap-on erratic readings

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

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

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

24. "Magical" Jump Box!!!

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

25. Help with unknown plug.

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