Modern Mack Truck General Discussion

2,698 topics in this forum

1. Code spn 251 fmi 2

   By Concrete cowboy, July 6, 2023
   • 3 replies
   • 1.9k views
   • 
   • Mackpro
   • July 7, 2023

2. MRU613 2015

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

3. Exhaust temp not reading

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

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

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

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

   By cowboy jeff, June 16, 2023
   • 6 replies
   • 1.2k views
   • 
   • Mackpro
   • June 30, 2023

6. 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
   • 393 views
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   • cowboy jeff
   • June 30, 2023

7. 2016 Pinnacle Wiper not working.

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

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

   By KKRT, June 15, 2023
   • 53 replies
   • 4.1k views
   • 
   • KKRT
   • June 25, 2023

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

   By Concrete cowboy, March 22, 2022
   • 7 replies
   • 13.2k views
   • 
   • Joey Mack
   • June 23, 2023

10. 2013 MP-7 Pushing Coolant out of Fill Cap

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

11. Really Strong CH 1 2

    By Bullheaded, February 25, 2023
    • 39 replies
    • 3.8k views
    • 
    • Bullheaded
    • June 14, 2023

12. HEADLIGHT ISUE

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

13. New style headlights on Granite

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

14. Mack thermostat

    By 06mack, June 7, 2023
    • 3 replies
    • 2.1k views
    • 
    • Onyx610
    • June 7, 2023

15. Oil temp

    By 2014pinnacle, May 20, 2023
    • 5 replies
    • 2.4k views
    • 
    • 2014pinnacle
    • May 29, 2023

16. Owner operator

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

17. 07 CTP713 granite Mack 1 2

    By worellana88, May 17, 2023
    • 42 replies
    • 4k views
    • 
    • fjh
    • May 23, 2023

18. Rattling sound when hitting bumps on gu713 tandem dump

    By Ezee, January 12, 2018
    • 8 replies
    • 2.9k views
    • 
    • UP1
    • May 21, 2023

19. 2016 CHU613 Pinnacle Air Compressor

    By The Rubber Duck 006, May 20, 2023
    • 3 replies
    • 1k views
    • 
    • The Rubber Duck 006
    • May 20, 2023

20. 2000 chn613 to 2007 chn613 cab swap

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

21. VIN Decode

    By Pollo432, May 7, 2023
    • 0 replies
    • 584 views
    • 
    • Pollo432
    • May 7, 2023

22. 2007 Mack CH/CHN 613 427HP E7... To buy or not to buy

    By Dakker, January 21, 2022
    • 12 replies
    • 3.6k views
    • 
    • Pollo432
    • May 7, 2023

23. 2014 CHU with an MP8, seems to be low on power and boost. 1 2

    By genoredstar, January 9, 2023
    • 45 replies
    • 4.7k views
    • 
    • bts-4120
    • April 27, 2023

24. Grease for CV713 Front Axle / Repair ?

    By Norway, June 9, 2012
    • 4 replies
    • 5.1k views
    • 
    • Joey Mack
    • April 24, 2023

25. NYS Overweight Permit?

    By MACKS, April 23, 2023
    • 6 replies
    • 1.1k views
    • 
    • Mark T
    • April 23, 2023