Mack Truck Q & A

1,117 questions in this forum

1. Fuse box diagram 1999 CH613

   Asked by Mike Donohue, January 24, 2019

   1 vote
   4 answers
2. Sleeper width

   Asked by KJ790, September 13, 2023

   0 votes
   1 answer
3. Buying my first used Mack Roll Off

   Asked by JLozzi, September 7, 2023

   1 vote
   4 answers
4. 2019 mack TE turn signal issue

   Asked by Ryanrepublic64, September 4, 2023

   0 votes
   2 answers
5. engine fan not engaging

   Asked by shilohwestphal, August 31, 2023

   0 votes
   4 answers
6. Truck in accident, no external damage, crank but no start

   Asked by Highroadhauling, August 30, 2023

   0 votes
   3 answers
7. best gearing for fuel consumption on a ea7/e7 470hp

   Asked by Gorilla, August 26, 2023

   0 votes
   21 answers
8. i need a mechanical fuel pump for an e-7 mack

   Asked by Charlie1234, August 25, 2023

   0 votes
   0 answers
9. Service Manual for a 1989 R690T

   Asked by sdhco, August 24, 2023

   0 votes
   6 answers
10. 85 Mack t2090 clutch pilot bearing replacement?

    Asked by Ryon Hess, August 21, 2023

    0 votes
    10 answers
11. Engine fan

    Asked by Wdavis, August 17, 2023

    0 votes
    14 answers
12. Open wastegate

    Asked by gio400, August 13, 2023

    0 votes
    13 answers
13. Actuator not connected

    Asked by gio400, August 11, 2023

    0 votes
    3 answers
14. Loss of power 2007 Mack granite ctp713 with the MP7

    Asked by Elijah Gandy, August 8, 2023

    0 votes
    1 answer
15. Spring spacers

    Asked by vinny933, August 14, 2023

    0 votes
    10 answers
16. Seat Belt Requirements

    Asked by kansasflyer, November 6, 2021

    0 votes
    4 answers
17. 12.7 Detroit hissing n puffing black smoke

    Asked by gio400, January 9, 2023

    0 votes
    24 answers
18. 2000 mack 688s

    Asked by Jphood, August 9, 2023

    0 votes
    2 answers
19. 1978 endt 676

    Asked by Max.superliner, February 14, 2023

    0 votes
    56 answers
20. Turbo to manifold gasket

    Asked by spencer paving, August 6, 2023

    0 votes
    0 answers
21. cab swap due to wreck

    Asked by ryan c, August 4, 2023

    0 votes
    1 answer
22. 05 CV713 ECM Questions

    Asked by 05 CV713, June 26, 2023

    0 votes
    18 answers
23. Vibration

    Asked by Stacyb, July 27, 2023

    0 votes
    5 answers
24. 2014 Mack Pinnacle Sleeper AC Issues

    Asked by Cpitt32, July 13, 2023

    0 votes
    10 answers
25. New clutch in 85 MH613 with maxitorque. seems aligned right but not going into any gears when turned on? Possible shift linkage not back right?

    Asked by Ryon Hess, July 12, 2023

    0 votes
    9 answers