Mack Truck Q & A

1,147 questions in this forum

1. Mack e6 300L no power even empty

   Asked by John d, November 9, 2023

   0 votes
   1 answer
2. Mack E7 ECM

   Asked by jcmac3000, November 4, 2023

   0 votes
   7 answers
3. No heat

   Asked by Mackgirl22, November 3, 2023

   0 votes
   1 answer
4. RW, Air horn valve and bracket location.

   Asked by jackdk, June 5, 2021

   0 votes
   6 answers
5. Mack MR cab sheetmetal

   Asked by Rich Dysterheft, October 12, 2023

   0 votes
   0 answers
6. 470 mack (renault) tension settings needed

   Asked by Mr & Mrs Nobby, October 7, 2023

   0 votes
   2 answers
7. Fuse box diagram 1999 CH613

   Asked by Mike Donohue, January 24, 2019

   1 vote
   4 answers
8. Sleeper width

   Asked by KJ790, September 13, 2023

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

   Asked by JLozzi, September 7, 2023

   1 vote
   4 answers
10. 2019 mack TE turn signal issue

    Asked by Ryanrepublic64, September 4, 2023

    0 votes
    2 answers
11. engine fan not engaging

    Asked by shilohwestphal, August 31, 2023

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

    Asked by Highroadhauling, August 30, 2023

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

    Asked by Gorilla, August 26, 2023

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

    Asked by Charlie1234, August 25, 2023

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

    Asked by sdhco, August 24, 2023

    0 votes
    6 answers
16. 85 Mack t2090 clutch pilot bearing replacement?

    Asked by Ryon Hess, August 21, 2023

    0 votes
    10 answers
17. Engine fan

    Asked by Wdavis, August 17, 2023

    0 votes
    14 answers
18. Open wastegate

    Asked by gio400, August 13, 2023

    0 votes
    13 answers
19. Actuator not connected

    Asked by gio400, August 11, 2023

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

    Asked by Elijah Gandy, August 8, 2023

    0 votes
    1 answer
21. Spring spacers

    Asked by vinny933, August 14, 2023

    0 votes
    10 answers
22. Seat Belt Requirements

    Asked by kansasflyer, November 6, 2021

    0 votes
    4 answers
23. 12.7 Detroit hissing n puffing black smoke

    Asked by gio400, January 9, 2023

    0 votes
    24 answers
24. 2000 mack 688s

    Asked by Jphood, August 9, 2023

    0 votes
    2 answers
25. 1978 endt 676

    Asked by Max.superliner, February 14, 2023

    0 votes
    56 answers