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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

1,118 questions in this forum

  1. Top speed

    Asked by gio400,

    0 votes
    1 answer

  2. EUP broke

    Asked by Rick01,

    0 votes
    4 answers

  3. Dash issue

    Asked by Csg,

    0 votes
    0 answers

  4. 1994 mack e7 timing point

    Asked by Sondy brun,

    0 votes
    1 answer

  5. is this a MACK with a Winnebago on the back??

    Asked by glenbjackson,

    0 votes
    13 answers

  6. Dying for no reason

    Asked by Rolloff,

    0 votes
    0 answers

  7. Losing coolant

    Asked by Starcity Mack,

    1 vote
    1 answer

  8. Mack firetruck chassis

    Asked by Ky x driver,

    0 votes
    5 answers

  9. How to replace fuel pump on 1990 Mack ?

    Asked by Ray Patrick,

    0 votes
    0 answers

  10. ~2003 mr688 what to look for?

    Asked by JoeH,

    0 votes
    0 answers

  11. Mack e7 400 hp vs Cummins ism 370hp

    Asked by gio400,

    0 votes
    0 answers

  12. Lightning bolt light comes on and off sporadically

    Asked by Larry H,

    0 votes
    6 answers

  13. 2001 Mack rd688 e7 400hp with 8ll transmission Volvo t ride suspension with 6.14 ratio

    Asked by gio400,

    0 votes
    3 answers

  14. How to remove block heater off a E6 block?

    Asked by Vladislav,

    0 votes
    3 answers

  15. Where to mount quarter fender posts ?

    Asked by Larry H,

    0 votes
    6 answers

  16. What engine does this have?

    Asked by Etu,

    0 votes
    4 answers

  17. 1994 350 improvements

    Asked by EKCtransport,

    0 votes
    9 answers

  18. Clearance light / dash gauges seat belt light and buzzer intermittently off and on

    Asked by Larry H,

    0 votes
    0 answers

  19. Turbo upgrade E7

    Asked by Abryan1019,

    0 votes
    2 answers

  20. Oil temp/oil pressure

    Asked by 2014mp8,

    1 vote
    3 answers

  21. Farm Trucks

    Asked by Dayfarms,

    0 votes
    6 answers

  22. Cabin air filter

    Asked by mackcat12,

    0 votes
    2 answers

  23. 1997 CH 613

    Asked by R D farmer,

    0 votes
    2 answers

  24. Mack MR6xx Dimensions

    Asked by JoeH,

    0 votes
    3 answers

  25. 2008 CXU613 no headlights

    Asked by Wastewater wealth,

    0 votes
    0 answers

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