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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,

    0 votes
    0 answers

  5. Heat/ac stopped working

    Asked by Timk,

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    0 answers

1,096 questions in this forum

  1. Mack MR cab sheetmetal

    Asked by Rich Dysterheft,

    0 votes
    0 answers

  2. 470 mack (renault) tension settings needed

    Asked by Mr & Mrs Nobby,

    0 votes
    2 answers

  3. 2016 Mack Granite GU713 w/ MP8.........SCR FAULT DERATE...........NO FREAKING CODES

    Asked by Monkey with a wrench,

    0 votes
    3 answers

  4. Fuse box diagram 1999 CH613

    Asked by Mike Donohue,

    1 vote
    4 answers

  5. Sleeper width

    Asked by KJ790,

    0 votes
    1 answer

  6. Buying my first used Mack Roll Off

    Asked by JLozzi,

    1 vote
    4 answers

  7. 2019 mack TE turn signal issue

    Asked by Ryanrepublic64,

    0 votes
    2 answers

  8. engine fan not engaging

    Asked by shilohwestphal,

    0 votes
    4 answers

  9. Truck in accident, no external damage, crank but no start

    Asked by Highroadhauling,

    0 votes
    3 answers

  10. best gearing for fuel consumption on a ea7/e7 470hp

    Asked by Gorilla,

    0 votes
    21 answers

  11. i need a mechanical fuel pump for an e-7 mack

    Asked by Charlie1234,

    0 votes
    0 answers

  12. Service Manual for a 1989 R690T

    Asked by sdhco,

    0 votes
    6 answers

  13. 85 Mack t2090 clutch pilot bearing replacement?

    Asked by Ryon Hess,

    0 votes
    10 answers

  14. Engine fan

    Asked by Wdavis,

    0 votes
    14 answers

  15. Open wastegate

    Asked by gio400,

    0 votes
    13 answers

  16. Actuator not connected

    Asked by gio400,

    0 votes
    3 answers

  17. Loss of power 2007 Mack granite ctp713 with the MP7

    Asked by Elijah Gandy,

    0 votes
    1 answer

  18. Spring spacers

    Asked by vinny933,

    0 votes
    10 answers

  19. Seat Belt Requirements

    Asked by kansasflyer,

    0 votes
    4 answers

  20. 12.7 Detroit hissing n puffing black smoke

    Asked by gio400,

    0 votes
    24 answers

  21. 2000 mack 688s

    Asked by Jphood,

    0 votes
    2 answers

  22. 1978 endt 676

    Asked by Max.superliner,

    0 votes
    56 answers

  23. Turbo to manifold gasket

    Asked by spencer paving,

    0 votes
    0 answers

  24. cab swap due to wreck

    Asked by ryan c,

    0 votes
    1 answer

  25. 05 CV713 ECM Questions

    Asked by 05 CV713,

    0 votes
    18 answers

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