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Forum: GM Medium-Duty

Learn more about GM's new medium-duty trucks and diesel engines.

  1. Random de-rating

    Started by sandvader, 02-04-2021 17:38
    • Replies: 1
    • Views: 1,492
    DmaxMaverick
    02-04-2021, 21:51 Go to last post

  2. Hood Hinges for a 1989 Kodiak / TopKick

    Started by STPETEBLUE, 11-12-2020 17:44
    • Replies: 0
    • Views: 668
    STPETEBLUE
    11-12-2020, 17:44 Go to last post

  3. 2004 GMC C8500 7.8l limp mode

    Started by J&M Auto, 08-30-2020 15:29
    • Replies: 3
    • Views: 1,104
    DmaxMaverick
    09-01-2020, 12:30 Go to last post

  4. 2009 C5500 Curb Weight?

    Started by esbstuff, 07-30-2020 07:44
    • Replies: 1
    • Views: 928
    a5150nut
    07-30-2020, 09:56 Go to last post

  5. 2005 C5500 Utility Body 4x4 LLY Mods

    Started by BobbyGSix, 06-29-2020 07:56
    • Replies: 1
    • Views: 971
    DmaxMaverick
    06-29-2020, 08:51 Go to last post

  6. GMC / Chevy C4500 C5500 TopKick Kodiak 5 speed to 6 speed Conversion

    Started by BobbyGSix, 06-24-2020 17:44
    • Replies: 0
    • Views: 886
    BobbyGSix
    06-24-2020, 17:44 Go to last post

  7. So, you think the fuel filter's hard changing on a Silverado?

    Started by DickWells, 09-24-2018 19:21
    • Replies: 4
    • Views: 64,036
    DickWells
    12-25-2019, 12:39 Go to last post

  8. Just checkin things out.

    Started by DickWells, 06-19-2019 17:29
    • Replies: 1
    • Views: 67,147
    JohnC
    06-19-2019, 18:18 Go to last post

  9. Just for what it's worth, if you own a Kodiak, etc.

    Started by DickWells, 10-29-2018 11:56
    • Replies: 4
    • Views: 78,509
    DickWells
    02-27-2019, 10:50 Go to last post

  10. Exhaust brake isn't working.

    Started by CoyleJR, 07-08-2018 17:21
    • Replies: 1
    • Views: 2,505
    DmaxMaverick
    07-08-2018, 19:31 Go to last post

  11. Arrow 2019 Chevrolet Silverado 4500HD and 5500HD to Drop in March

    Started by More Power, 01-09-2018 11:11
    • Replies: 3
    • Views: 3,823
    DieselDavy
    01-11-2018, 10:11 Go to last post

  12. Kodiak steering gear.

    Started by DickWells, 08-22-2017 17:07
    • Replies: 9
    • Views: 5,067
    Inspector
    12-14-2017, 16:40 Go to last post

  13. command rates 05 bouncing ?

    Started by thunderhead, 05-08-2017 15:03
    • Replies: 0
    • Views: 3,201
    thunderhead
    05-08-2017, 15:03 Go to last post

  14. 2006 7.8l isuzu coolant in exhaust and oil after injector replacement

    Started by tombj, 10-20-2016 22:13
    • Replies: 0
    • Views: 6,867
    tombj
    10-20-2016, 22:13 Go to last post

  15. 7.8 isuzi duramax has engine oil in fuel tank

    Started by flht1550, 02-10-2016 07:18
    • Replies: 2
    • Views: 7,303
    DmaxMaverick
    03-09-2016, 09:33 Go to last post

  16. No low beam headlights 2008 Kodiak 4500

    Started by cowboywildbill, 10-15-2012 14:54
    2 Pages •
    1 2
    • Replies: 20
    • Views: 31,121
    hoarder
    01-24-2016, 20:32 Go to last post

  17. 7.8L isuzu diesel oil in coolant.

    Started by Tom2010, 01-15-2010 17:15
    2 Pages •
    1 2
    • Replies: 22
    • Views: 50,109
    a5150nut
    09-28-2015, 09:10 Go to last post

  18. c4500

    Started by Duramax4, 08-29-2015 19:07
    • Replies: 1
    • Views: 5,480
    a5150nut
    08-30-2015, 12:24 Go to last post

  19. Angry 2007 GMC Medium Duty with 7.8L Isuzu Engine

    Started by scooper, 12-27-2007 23:10
    • Replies: 15
    • Views: 70,258
    john dear
    03-15-2015, 16:33 Go to last post

  20. 6.6 help

    Started by napadude09, 02-15-2015 20:09
    • Replies: 0
    • Views: 6,034
    napadude09
    02-15-2015, 20:09 Go to last post
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