Engine and Transmission

6,519 topics in this forum

1. 08 chu613 mp8 tune and delete

   By eric787, March 21, 2023
   • 4 replies
   • 1.6k views
   • 
   • GoldDog44
   • April 15, 2024

2. 90RD oil dipstick

   By mackey58, April 14, 2024
   • 0 replies
   • 405 views
   • 
   • mackey58
   • April 14, 2024

3. Mp7 Tools

   By dieselmotorworx, March 30, 2024
   • 6 replies
   • 1.4k views
   • 
   • Joey Mack
   • April 14, 2024

4. Changing coolant conditioner filter

   By Mikesbucketlistmack, April 12, 2024
   • 0 replies
   • 464 views
   • 
   • Mikesbucketlistmack
   • April 12, 2024

5. Turbo clamp broke, no boost after replacing.

   By Kolehamilton, April 11, 2024
   • 3 replies
   • 729 views
   • 
   • The Rubber Duck 006
   • April 12, 2024

6. Dynatard Engine Brake Questions

   By RS Disposal, April 9, 2024
   • 8 replies
   • 1.3k views
   • 
   • mechohaulic
   • April 10, 2024

7. Allison transmission problems

   By Grim289, April 5, 2024
   • 3 replies
   • 1.7k views
   • 
   • The Heinz
   • April 8, 2024

8. Oil leaks

   By 03' Big Red, April 29, 2023
   • 11 replies
   • 1.8k views
   • 
   • terry
   • April 5, 2024

9. E7454 stumble and no cruise

   By bubbamobilin, April 3, 2024
   • 7 replies
   • 720 views
   • 
   • Joey Mack
   • April 4, 2024

10. 1978 R686 Coolant & Oil Dip Stick

    By tenfive0, March 12, 2024
    • 11 replies
    • 1.4k views
    • 
    • 70mackMB
    • April 2, 2024

11. engine code

    By eric787, March 18, 2024
    • 7 replies
    • 895 views
    • 
    • eric787
    • March 29, 2024

12. Vision??????

    By mowerman, March 14, 2024
    • 8 replies
    • 873 views
    • 
    • mowerman
    • March 27, 2024

13. Mp7 Eating injectors 1 2

    By steeler, February 22, 2024
    • 37 replies
    • 4.4k views
    • 
    • fjh
    • March 23, 2024

14. A really good parts book.

    By Joey Mack, March 15, 2024
    • 4 replies
    • 620 views
    • 
    • Joey Mack
    • March 15, 2024

15. Oil sample results /low oil pressure 1 2

    By Lmackattack, March 1, 2024
    • 28 replies
    • 2.6k views
    • 
    • Joey Mack
    • March 15, 2024

16. Better engine?

    By Straydog954, March 12, 2024
    • 1 reply
    • 545 views
    • 
    • fjh
    • March 12, 2024

17. Throttle unresponsive

    By mcratchet1, March 8, 2024
    • 2 replies
    • 496 views
    • 
    • mcratchet1
    • March 9, 2024

18. 06 chn 613 fuel problem

    By Trumbull_welding, March 4, 2024
    • 12 replies
    • 1.4k views
    • 
    • fjh
    • March 8, 2024

19. 04 epa MP7 upgrades

    By Big Mack Truck, March 18, 2022
    • 24 replies
    • 4k views
    • 
    • Big Mack Truck
    • March 8, 2024

20. E9 AMBAC V style injection pump

    By Flynpenguin, March 5, 2024
    • 8 replies
    • 1.1k views
    • 
    • fjh
    • March 7, 2024

21. Coolant vapor in crank case, coming out blowby tube and oil fill tube. 2013 Mack MP7

    By Blister28, March 6, 2024
    • 23 replies
    • 2.2k views
    • 
    • fjh
    • March 7, 2024

22. EN7 valve adjustment tool

    By CTS2, February 27, 2024
    • 9 replies
    • 1.3k views
    • 
    • mechohaulic
    • March 2, 2024

23. E9 Failure pics

    By Supermutt, February 25, 2024
    • 18 replies
    • 1.9k views
    • 
    • Vladislav
    • February 28, 2024

24. 2000 mack rd688s gunk coming out of crankcase ir

    By Jpaul, February 24, 2024
    • 2 replies
    • 479 views
    • 
    • Joey Mack
    • February 25, 2024

25. Gunk in crankcase filter. 1 2

    By Kwdriver84, December 13, 2020
    • 37 replies
    • 6.2k views
    • 
    • Joey Mack
    • February 24, 2024