Modern Mack Truck General Discussion

2,683 topics in this forum

1. 2016 pinnacle

   By Xe18, August 8, 2023
   • 2 replies
   • 578 views
   • 
   • Xe18
   • August 8, 2023

2. LRU AC constant problems

   By DocWC, April 30, 2019
   • 10 replies
   • 5k views
   • 
   • Joey Mack
   • July 28, 2023

3. UPS and Mack 1 2

   By upsguy, January 19, 2019
   • 43 replies
   • 9.8k views
   • 
   • doubleclutchinweasel
   • July 20, 2023

4. 1992 Mack CH 613 No Power

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

5. Anyone wanna help me find a motor?

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

6. Drl Question?

   By QCDriver, February 17, 2007
   • 9 replies
   • 10.1k views
   • 
   • Mackpro
   • July 12, 2023

7. Questions on split year 2007 MP7 engine?

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

8. Code spn 251 fmi 2

   By Concrete cowboy, July 6, 2023
   • 3 replies
   • 1.6k views
   • 
   • Mackpro
   • July 7, 2023

9. MRU613 2015

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

10. Exhaust temp not reading

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

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

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

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

    By cowboy jeff, June 16, 2023
    • 6 replies
    • 1k views
    • 
    • Mackpro
    • June 30, 2023

13. 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
    • 365 views
    • 
    • cowboy jeff
    • June 30, 2023

14. 2016 Pinnacle Wiper not working.

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

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

    By KKRT, June 15, 2023
    • 53 replies
    • 3.6k views
    • 
    • KKRT
    • June 25, 2023

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

    By Concrete cowboy, March 22, 2022
    • 7 replies
    • 12.3k views
    • 
    • Joey Mack
    • June 23, 2023

17. 2013 MP-7 Pushing Coolant out of Fill Cap

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

18. Really Strong CH 1 2

    By Bullheaded, February 25, 2023
    • 39 replies
    • 3.5k views
    • 
    • Bullheaded
    • June 14, 2023

19. HEADLIGHT ISUE

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

20. New style headlights on Granite

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

21. Mack thermostat

    By 06mack, June 7, 2023
    • 3 replies
    • 1.8k views
    • 
    • Onyx610
    • June 7, 2023

22. Oil temp

    By 2014pinnacle, May 20, 2023
    • 5 replies
    • 2k views
    • 
    • 2014pinnacle
    • May 29, 2023

23. Owner operator

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

24. 07 CTP713 granite Mack 1 2

    By worellana88, May 17, 2023
    • 42 replies
    • 3.5k views
    • 
    • fjh
    • May 23, 2023

25. Rattling sound when hitting bumps on gu713 tandem dump

    By Ezee, January 12, 2018
    • 8 replies
    • 2.8k views
    • 
    • UP1
    • May 21, 2023