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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

1,111 questions in this forum

  1. Serial number specs?

    Asked by Mackhunter,

    0 votes
    8 answers

  2. Roy

    Asked by Roy,

    0 votes
    0 answers

  3. 1991 Mach CH613 E7-400 with CR93 4.17R

    Asked by Stitch117,

    0 votes
    0 answers

  4. 1990 Mack DM600

    Asked by Foty,

    0 votes
    0 answers

  5. Big Dog

    Asked by Ronnie Willis,

    0 votes
    3 answers

  6. 1951 LJ Mack

    Asked by 1961H67,

    0 votes
    0 answers

  7. Mack oil spec EO-E for RVI transmission

    Asked by Axial_Flow,

    0 votes
    1 answer

  8. 2004 mack cx613 vision

    Asked by Playinghooky13,

    0 votes
    1 answer

  9. Mack dumptruck brake pedal

    Asked by Leroy,

    0 votes
    2 answers

  10. Driver

    Asked by Terry Walton,

    0 votes
    1 answer

  11. Supervisor

    Asked by Doug Johnson,

    0 votes
    1 answer

  12. Supervisor

    Asked by Doug Johnson,

    0 votes
    0 answers

  13. 49 fuel pump.

    Asked by 49Fire,

    0 votes
    0 answers

  14. Which engine and Trans and year?

    Asked by Earthwerx,

    0 votes
    0 answers

  15. 2 valve jake adjustment

    Asked by 88RD688S,

    0 votes
    0 answers

  16. 1988 or 1989 RD688S

    Asked by rjs,

    0 votes
    3 answers

  17. owner operator

    Asked by DCPS Inc.,

    0 votes
    2 answers

  18. Mack 18 speed transmission when on high range on the throttle it pulls fine then I let off the throttle it goes in to neutral and make a terrible grinding noise any idea what wrong?

    Asked by Kirby Hawk,

    0 votes
    8 answers

  19. 95 CH 613 E7 350 Air in fuel system

    Asked by 95CH613,

    0 votes
    5 answers

  20. Driver

    Asked by Terry Walton,

    0 votes
    0 answers

  21. 1987 RW713 Superliner hood latch

    Asked by Carol,

    0 votes
    1 answer

  22. Gmc cracker box

    Asked by Billyh,

    0 votes
    0 answers

  23. Manual Regin

    Asked by Jeanetta Garrett,

    0 votes
    1 answer

  24. Parking valve

    Asked by Blacka007,

    0 votes
    0 answers

  25. Parking valve

    Asked by Blacka007,

    0 votes
    0 answers

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