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Forum: GM Medium-Duty

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

  1. ...Whats that funky smell?

    Started by Mark Rinker, 10-10-2008 13:05
    • Replies: 7
    • Views: 9,130
    10-21-2008, 18:51 Go to last post
  2. 07 Duramax in C5500

    Started by carco, 07-11-2007 17:39
    • Replies: 5
    • Views: 6,351
    08-24-2007, 15:34 Go to last post
  3. 2 breakdowns egr coolant

    Started by jack dragger, 07-22-2007 15:18
    • Replies: 2
    • Views: 3,826
    07-23-2007, 19:05 Go to last post
  4. 2003 7.8 loss of power

    Started by riverrat, 01-25-2009 22:56
    • Replies: 4
    • Views: 6,734
    02-02-2013, 03:52 Go to last post
  5. 2004 CK4500 Crews on order now

    Started by Matt Surplus, 11-20-2003 17:38
    • Replies: 0
    • Views: 3,566
    11-20-2003, 17:38 Go to last post
  6. 2004 4500

    Started by JB6600, 07-04-2004 17:19
    • Replies: 2
    • Views: 3,438
    07-04-2004, 20:17 Go to last post
  7. 2004 C4500 flatbed

    Started by Mark Rinker, 05-29-2007 08:46
    • Replies: 7
    • Views: 4,884
    06-05-2007, 13:07 Go to last post
  8. 2004 GMC C8500 7.8l limp mode

    Started by J&M Auto, 08-30-2020 15:29
    • Replies: 3
    • Views: 1,828
    09-01-2020, 12:30 Go to last post
    • Replies: 0
    • Views: 4,245
    12-11-2007, 10:19 Go to last post
  9. 2005 C4500 mileage

    Started by Mark Rinker, 08-11-2007 17:22
    • Replies: 0
    • Views: 4,637
    08-11-2007, 17:22 Go to last post
  10. 2005 C5500 Utility Body 4x4 LLY Mods

    Started by BobbyGSix, 06-29-2020 07:56
    • Replies: 1
    • Views: 1,498
    06-29-2020, 08:51 Go to last post
    • Replies: 0
    • Views: 7,522
    10-20-2016, 22:13 Go to last post
  11. 2006 C4500 Auxiliary Air Compressor

    Started by Olbird, 03-06-2010 22:49
    • Replies: 2
    • Views: 7,969
    03-19-2010, 08:04 Go to last post
  12. Arrow 2007 C4500 Batteries and Shocks

    Started by TATUZINHO, 07-04-2009 06:40
    • Replies: 2
    • Views: 6,927
    07-05-2009, 05:35 Go to last post
  13. 2007 C4500 Topkick sealed beams

    Started by TATUZINHO, 01-04-2009 04:22
    • Replies: 0
    • Views: 4,128
    01-04-2009, 04:22 Go to last post
  14. 2007 GMC - 7.8 engine

    Started by scooper, 02-04-2008 09:51
    • Replies: 1
    • Views: 5,271
    02-04-2008, 10:30 Go to last post
  15. Angry 2007 GMC Medium Duty with 7.8L Isuzu Engine

    Started by scooper, 12-27-2007 23:10
    • Replies: 15
    • Views: 74,472
    03-15-2015, 16:33 Go to last post
  16. Angry 2007 Topkick 6.6 air filter box and filter

    Started by TATUZINHO, 10-01-2009 06:56
    • Replies: 4
    • Views: 7,042
    10-12-2009, 19:29 Go to last post
  17. 2008 C4500 dies when on the highway. NEED ADVISE

    Started by SOAS, 06-23-2010 11:52
    • Replies: 4
    • Views: 6,543
    07-01-2010, 08:40 Go to last post

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