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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. 96-97 mack mr688p trans filter change

    Asked by Hamza,

    0 votes
    0 answers

  2. Engine swap ecm communication cable

    Asked by MarshallMitchell,

    0 votes
    0 answers

  3. Brake lights NOT working

    Asked by Strucking101,

    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,

    1 vote
    0 answers

1,104 questions in this forum

  1. 2004 mack cx613 ac427 no power

    Asked by david1969,

    0 votes
    0 answers

  2. 4000 gallon mack water truck on 40% grade

    Asked by gio400,

    0 votes
    16 answers

  3. Mack 430 ae renault 3-4 3-5 problem

    Asked by Turkishtruck,

    0 votes
    3 answers

  4. My ecu burnout twice, any idea why?

    Asked by Jared HG,

    0 votes
    4 answers

  5. Pre-purchase - CV713 Hook truck to Dump truck conversion

    Asked by OmegaRed88,

    0 votes
    19 answers

  6. 1995 ch600

    Asked by Nate1206,

    0 votes
    4 answers

  7. Mack e6 300L no power even empty

    Asked by John d,

    0 votes
    1 answer

  8. Mack E7 ECM

    Asked by jcmac3000,

    0 votes
    7 answers

  9. No heat

    Asked by Mackgirl22,

    0 votes
    1 answer

  10. RW, Air horn valve and bracket location.

    Asked by jackdk,

    0 votes
    6 answers

  11. Mack MR cab sheetmetal

    Asked by Rich Dysterheft,

    0 votes
    0 answers

  12. 470 mack (renault) tension settings needed

    Asked by Mr & Mrs Nobby,

    0 votes
    2 answers

  13. Fuse box diagram 1999 CH613

    Asked by Mike Donohue,

    1 vote
    4 answers

  14. Sleeper width

    Asked by KJ790,

    0 votes
    1 answer

  15. Buying my first used Mack Roll Off

    Asked by JLozzi,

    1 vote
    4 answers

  16. 2019 mack TE turn signal issue

    Asked by Ryanrepublic64,

    0 votes
    2 answers

  17. engine fan not engaging

    Asked by shilohwestphal,

    0 votes
    4 answers

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

    Asked by Highroadhauling,

    0 votes
    3 answers

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

    Asked by Gorilla,

    0 votes
    21 answers

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

    Asked by Charlie1234,

    0 votes
    0 answers

  21. Service Manual for a 1989 R690T

    Asked by sdhco,

    0 votes
    6 answers

  22. 85 Mack t2090 clutch pilot bearing replacement?

    Asked by Ryon Hess,

    0 votes
    10 answers

  23. Engine fan

    Asked by Wdavis,

    0 votes
    14 answers

  24. Open wastegate

    Asked by gio400,

    0 votes
    13 answers

  25. Actuator not connected

    Asked by gio400,

    0 votes
    3 answers

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