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Forum: GM Medium-Duty

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

  1. 7.8L Fuel Migrating Into The Oil

    Started by Mbuzz, Yesterday 04:37
    • Replies: 1
    • Views: 31
    Yesterday, 11:07 Go to last post
  2. Cat 3116 Injector & Rack Adjustment Tool

    Started by Wildlife, 07-10-2023 09:10
    adjust rack, carpenter, injector, meyers, mrc
    • Replies: 2
    • Views: 4,148
    07-13-2024, 18:56 Go to last post
    • Replies: 6
    • Views: 370
    07-11-2024, 17:10 Go to last post
  3. Random de-rating

    Started by sandvader, 02-04-2021 17:38
    • Replies: 1
    • Views: 3,262
    02-04-2021, 21:51 Go to last post
  4. Hood Hinges for a 1989 Kodiak / TopKick

    Started by STPETEBLUE, 11-12-2020 17:44
    • Replies: 0
    • Views: 1,838
    11-12-2020, 17:44 Go to last post
  5. 2004 GMC C8500 7.8l limp mode

    Started by J&M Auto, 08-30-2020 15:29
    • Replies: 3
    • Views: 2,977
    09-01-2020, 12:30 Go to last post
  6. 2009 C5500 Curb Weight?

    Started by esbstuff, 07-30-2020 07:44
    • Replies: 1
    • Views: 2,511
    07-30-2020, 09:56 Go to last post
  7. 2005 C5500 Utility Body 4x4 LLY Mods

    Started by BobbyGSix, 06-29-2020 07:56
    • Replies: 1
    • Views: 2,280
    06-29-2020, 08:51 Go to last post
    • Replies: 0
    • Views: 2,179
    06-24-2020, 17:44 Go to last post
    • Replies: 4
    • Views: 85,409
    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: 89,621
    06-19-2019, 18:18 Go to last post
    • Replies: 4
    • Views: 104,562
    02-27-2019, 10:50 Go to last post
  9. Exhaust brake isn't working.

    Started by CoyleJR, 07-08-2018 17:21
    • Replies: 1
    • Views: 4,640
    07-08-2018, 19:31 Go to last post
    • Replies: 3
    • Views: 6,151
    01-11-2018, 10:11 Go to last post
  10. Kodiak steering gear.

    Started by DickWells, 08-22-2017 17:07
    • Replies: 9
    • Views: 9,796
    12-14-2017, 16:40 Go to last post
  11. command rates 05 bouncing ?

    Started by thunderhead, 05-08-2017 15:03
    • Replies: 0
    • Views: 5,207
    05-08-2017, 15:03 Go to last post
    • Replies: 0
    • Views: 8,713
    10-20-2016, 22:13 Go to last post
    • Replies: 2
    • Views: 9,329
    03-09-2016, 09:33 Go to last post
  12. No low beam headlights 2008 Kodiak 4500

    Started by cowboywildbill, 10-15-2012 14:54
    2 Pages
    1 2
    • Replies: 20
    • Views: 36,889
    01-24-2016, 20:32 Go to last post
  13. 7.8L isuzu diesel oil in coolant.

    Started by Tom2010, 01-15-2010 17:15
    2 Pages
    1 2
    • Replies: 22
    • Views: 59,006
    09-28-2015, 09:10 Go to last post

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