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Mack Truck Q & A

This forum is for pressing questions concerning Mack Trucks...emergency maintenance questions, pre-purchase questions, etc...answers can be rated by users and the higest rated answers will show first!

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  1. Engine swap ecm communication cable

    Asked by MarshallMitchell,

    0 votes
    0 answers

  2. Brake lights NOT working

    Asked by Strucking101,

    0 votes
    0 answers

  3. EM6 fuel filter

    Asked by cruiseliner64,

    0 votes
    0 answers

  4. 85 MH613 cab mount bushings

    Asked by Ryon Hess,

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    0 answers

  5. Heat/ac stopped working

    Asked by Timk,

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1,096 questions in this forum

  1. ECM port - Mack trucks manufactured after 2014

    Asked by MoeFleethandler,

    0 votes
    1 answer

  2. fault code

    Asked by dsoville,

    0 votes
    1 answer

  3. Code - !5004- 14 / M136

    Asked by Doc18,

    0 votes
    1 answer

  4. 2009 Mack codes???

    Asked by TruckingFrank,

    0 votes
    1 answer

  5. Changing engines

    Asked by gio400,

    0 votes
    6 answers

  6. 2000 rd 688s

    Asked by Linden creek dairy,

    0 votes
    1 answer

  7. Slight skip

    Asked by Ezee,

    0 votes
    6 answers

  8. Exhaust side EECU

    Asked by JoeH,

    0 votes
    1 answer

  9. Mack DE

    Asked by Scu,

    0 votes
    4 answers

  10. GU 813

    Asked by Luch,

    0 votes
    1 answer

  11. 2004 Mack Granite Frame

    Asked by JoeH,

    0 votes
    3 answers

  12. Pre purchase suspension conversion question

    Asked by JoeH,

    0 votes
    8 answers

  13. Scanners and software 99 CH

    Asked by Mike Donohue,

    0 votes
    2 answers

  14. 2010 GU 713 shutting off while driving

    Asked by GPWS,

    0 votes
    1 answer

  15. Mack

    Asked by Mohame12,

    0 votes
    1 answer

  16. 03 cv713 eup problem

    Asked by Aletasman,

    0 votes
    1 answer

  17. Looking for more horse power

    Asked by JMaro4321,

    0 votes
    2 answers

  18. Coolent level code 1-7

    Asked by Mike mcp,

    0 votes
    2 answers

  19. City Horn

    Asked by markrandi,

    0 votes
    3 answers

  20. Warranty

    Asked by Ezee,

    0 votes
    3 answers

  21. Fault Codes

    Asked by Drilling2018,

    0 votes
    2 answers

  22. Electronic Malfunction light

    Asked by JMaro4321,

    0 votes
    1 answer

  23. Excessive after treatment expenses

    Asked by Bad Dog 505,

    0 votes
    1 answer

  24. No start after oil/fuel filter change

    Asked by moore19ca,

    0 votes
    1 answer

  25. 1996 Mack Losing Water

    Asked by Redstar,

    0 votes
    2 answers

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