Engine and Transmission

6,452 topics in this forum

1. Oil leaks

   By 03' Big Red, April 29, 2023
   • 11 replies
   • 1.4k views
   • 
   • terry
   • April 5, 2024

2. E7454 stumble and no cruise

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

3. 1978 R686 Coolant & Oil Dip Stick

   By tenfive0, March 12, 2024
   • 11 replies
   • 1.1k views
   • 
   • 70mackMB
   • April 2, 2024

4. engine code

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

5. Vision??????

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

6. Mp7 Eating injectors 1 2

   By steeler, February 22, 2024
   • 37 replies
   • 3.2k views
   • 
   • fjh
   • March 23, 2024

7. A really good parts book.

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

8. Oil sample results /low oil pressure 1 2

   By Lmackattack, March 1, 2024
   • 28 replies
   • 1.9k views
   • 
   • Joey Mack
   • March 15, 2024

9. Better engine?

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

10. Throttle unresponsive

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

11. 06 chn 613 fuel problem

    By Trumbull_welding, March 4, 2024
    • 12 replies
    • 1.1k views
    • 
    • fjh
    • March 8, 2024

12. 04 epa MP7 upgrades

    By Big Mack Truck, March 18, 2022
    • 24 replies
    • 3.2k views
    • 
    • Big Mack Truck
    • March 8, 2024

13. E9 AMBAC V style injection pump

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

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

    By Blister28, March 6, 2024
    • 23 replies
    • 1.6k views
    • 
    • fjh
    • March 7, 2024

15. EN7 valve adjustment tool

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

16. E9 Failure pics

    By Supermutt, February 25, 2024
    • 18 replies
    • 1.4k views
    • 
    • Vladislav
    • February 28, 2024

17. 2000 mack rd688s gunk coming out of crankcase ir

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

18. Gunk in crankcase filter. 1 2

    By Kwdriver84, December 13, 2020
    • 37 replies
    • 5.2k views
    • 
    • Joey Mack
    • February 24, 2024

19. Cam position sensor

    By 2014pinnacle, January 12, 2023
    • 6 replies
    • 2.4k views
    • 
    • Anthony Corleone
    • February 23, 2024

20. 1988-1990 E9 injector pump.

    By Supermutt, February 12, 2024
    • 4 replies
    • 1k views
    • 
    • fjh
    • February 19, 2024

21. T310m not shifting to high range

    By Toyota231, October 2, 2023
    • 5 replies
    • 1.3k views
    • 
    • Joey Mack
    • February 17, 2024

22. Clutch protection activated

    By jzavala211, February 15, 2024
    • 4 replies
    • 709 views
    • 
    • Joey Mack
    • February 16, 2024

23. 2001 CL713 E7-460xt throttle response issues

    By Mbelyan, February 15, 2024
    • 10 replies
    • 725 views
    • 
    • Joey Mack
    • February 15, 2024

24. Mack AI-300A to Mack E7-460 conversion

    By Boxler1066, February 13, 2024
    • 10 replies
    • 1.2k views
    • 
    • fjh
    • February 14, 2024

25. Swapping a gas for a diesel

    By mack31, February 13, 2024
    • 4 replies
    • 519 views
    • 
    • terry
    • February 14, 2024