Modern Mack Truck General Discussion

2,620 topics in this forum

1. UPS and Mack 1 2

   By upsguy, January 19, 2019
   • 43 replies
   • 8.2k views
   • 
   • doubleclutchinweasel
   • July 20, 2023

2. 1992 Mack CH 613 No Power

   By msbulldog601, July 11, 2023
   • 8 replies
   • 422 views
   • 
   • Joey Mack
   • July 18, 2023

3. Anyone wanna help me find a motor?

   By Bas00, July 11, 2023
   • 2 replies
   • 336 views
   • 
   • Mark T
   • July 12, 2023

4. Drl Question?

   By QCDriver, February 17, 2007
   • 9 replies
   • 9.1k views
   • 
   • Mackpro
   • July 12, 2023

5. Questions on split year 2007 MP7 engine?

   By Bas00, July 7, 2023
   • 1 reply
   • 289 views
   • 
   • Mackpro
   • July 8, 2023

6. Code spn 251 fmi 2

   By Concrete cowboy, July 6, 2023
   • 3 replies
   • 618 views
   • 
   • Mackpro
   • July 7, 2023

7. MRU613 2015

   By oscar8612, July 5, 2023
   • 2 replies
   • 221 views
   • 
   • oscar8612
   • July 6, 2023

8. Exhaust temp not reading

   By deerehauler, June 13, 2023
   • 2 replies
   • 423 views
   • 
   • deerehauler
   • July 5, 2023

9. Are The Wiring Diagrams for Automatic and Manual GUs Different?

   By KKRT, July 3, 2023
   • 0 replies
   • 213 views
   • 
   • KKRT
   • July 3, 2023

10. Help the 10 speed in my 2006 cxn will not go to hi range

    By cowboy jeff, June 16, 2023
    • 6 replies
    • 505 views
    • 
    • Mackpro
    • June 30, 2023

11. Hi. How much work and swearing is involved in swapping the mertinour 10. Speed for a 18 speed modern transmission?

    By cowboy jeff, June 30, 2023
    • 0 replies
    • 261 views
    • 
    • cowboy jeff
    • June 30, 2023

12. 2016 Pinnacle Wiper not working.

    By Coasta101, June 21, 2023
    • 3 replies
    • 478 views
    • 
    • upsman
    • June 29, 2023

13. Swapped Allison to 13 Speed In My GU713, But Truck Will Not Start 1 2 3

    By KKRT, June 15, 2023
    • 53 replies
    • 1.9k views
    • 
    • KKRT
    • June 25, 2023

14. Blower motor issue (heat / a/c )

    By Concrete cowboy, March 22, 2022
    • 7 replies
    • 6.9k views
    • 
    • Joey Mack
    • June 23, 2023

15. 2013 MP-7 Pushing Coolant out of Fill Cap

    By BuckeyeFloridian, June 16, 2023
    • 0 replies
    • 338 views
    • 
    • BuckeyeFloridian
    • June 16, 2023

16. Really Strong CH 1 2

    By Bullheaded, February 25, 2023
    • 39 replies
    • 2.4k views
    • 
    • Bullheaded
    • June 14, 2023

17. HEADLIGHT ISUE

    By GPWS, March 13, 2023
    • 1 reply
    • 409 views
    • 
    • Todd71106
    • June 10, 2023

18. New style headlights on Granite

    By casspace, April 6, 2023
    • 1 reply
    • 534 views
    • 
    • Todd71106
    • June 10, 2023

19. Mack thermostat

    By 06mack, June 7, 2023
    • 3 replies
    • 592 views
    • 
    • Onyx610
    • June 7, 2023

20. Oil temp

    By 2014pinnacle, May 20, 2023
    • 5 replies
    • 817 views
    • 
    • 2014pinnacle
    • May 29, 2023

21. Owner operator

    By Terry DeWitt, May 27, 2023
    • 1 reply
    • 386 views
    • 
    • 2014pinnacle
    • May 28, 2023

22. 07 CTP713 granite Mack 1 2

    By worellana88, May 17, 2023
    • 42 replies
    • 2k views
    • 
    • fjh
    • May 23, 2023

23. Rattling sound when hitting bumps on gu713 tandem dump

    By Ezee, January 12, 2018
    • 8 replies
    • 2.4k views
    • 
    • UP1
    • May 21, 2023

24. 2016 CHU613 Pinnacle Air Compressor

    By The Rubber Duck 006, May 20, 2023
    • 3 replies
    • 560 views
    • 
    • The Rubber Duck 006
    • May 20, 2023

25. 2000 chn613 to 2007 chn613 cab swap

    By Cummins93, May 13, 2023
    • 3 replies
    • 382 views
    • 
    • Mackpro
    • May 15, 2023