Engine and Transmission

6,394 topics in this forum

1. 90RD oil dipstick

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

2. Mp7 Tools

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

3. Changing coolant conditioner filter

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

4. Turbo clamp broke, no boost after replacing.

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

5. Dynatard Engine Brake Questions

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

6. Allison transmission problems

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

7. Oil leaks

   By 03' Big Red, April 29, 2023
   • 11 replies
   • 1.1k views
   • 
   • terry
   • April 5, 2024

8. E7454 stumble and no cruise

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

9. 1978 R686 Coolant & Oil Dip Stick

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

10. engine code

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

11. Vision??????

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

12. Mp7 Eating injectors 1 2

    By steeler, February 22, 2024
    • 37 replies
    • 2.2k views
    • 
    • fjh
    • March 23, 2024

13. A really good parts book.

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

14. Oil sample results /low oil pressure 1 2

    By Lmackattack, March 1, 2024
    • 28 replies
    • 1.5k views
    • 
    • Joey Mack
    • March 15, 2024

15. Better engine?

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

16. Throttle unresponsive

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

17. 06 chn 613 fuel problem

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

18. 04 epa MP7 upgrades

    By Big Mack Truck, March 18, 2022
    • 24 replies
    • 2.8k views
    • 
    • Big Mack Truck
    • March 8, 2024

19. E9 AMBAC V style injection pump

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

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

    By Blister28, March 6, 2024
    • 23 replies
    • 1.1k views
    • 
    • fjh
    • March 7, 2024

21. EN7 valve adjustment tool

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

22. E9 Failure pics

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

23. 2000 mack rd688s gunk coming out of crankcase ir

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

24. Gunk in crankcase filter. 1 2

    By Kwdriver84, December 13, 2020
    • 37 replies
    • 4.6k views
    • 
    • Joey Mack
    • February 24, 2024

25. Cam position sensor

    By 2014pinnacle, January 12, 2023
    • 6 replies
    • 1.9k views
    • 
    • Anthony Corleone
    • February 23, 2024