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2000-2014 Duramax, Diesel, & Drivetrain

All GMT-800/900 diesel engine, transmission, and drivetrain specific discussion. Focusing on the 6,6L Duramax V8 & somewhat the 6.0L gas engine. Includes RPO coded engines, LB7, LLY, LMM, LMK, LML, & LGH

570 topics in this forum

  1. 03 Silverado Duramax Electrical

    By Threeper,
    • 7 replies
    • 1.6k views

  3. 4x4 won’t disengage and trans seems to be stuck in limp mode

    By Jesse bucholtz,
    • 1 reply
    • 609 views

  4. Transfer case selector switch and control module testing

    By tetonspark,
    • 2 replies
    • 2.1k views

  5. Cab climate controls don't direction air through vents.

    By Nextbook,
    • 6 replies
    • 1.3k views

  6. Power/Heated Driver's seat not working

    By Scott Diekmann,
    • 2 replies
    • 1.4k views

  7. tow/haul problem

    By Connie Darrington,
    • 2 replies
    • 1.3k views

  8. Cost of rebuilt transmission

    By Steve-Maine,
    • 2 replies
    • 4.9k views

  9. Will a 2010 gmc 1500 grille fit a 2500hd

    By Wyatt Wood,
    • 0 replies
    • 3.3k views

  10. 2008 single wheel taillights

    By da Co,
    • 2 replies
    • 933 views

  11. 2006 Silverado voltage fluctuation

    By Collins803,
    • 0 replies
    • 1.1k views

  12. 2007 LMM Duramax Injector Return Leak

    By casey.mikl,
    • 2 replies
    • 1.9k views

  13. Duramax Oil Cooler Pipe HELP!!!

    By BuffaloPunch,   
    • 0 replies
    • 2.8k views

  14. Overnight Battery Drain

    By Dale H,
    • 2 replies
    • 2.7k views

  15. Bent frame

    By Micah Kauffman,
    • 5 replies
    • 1.5k views

  16. 2000 sil 1500 4wd horrible noise in gear help me

    By Terry Ken Payne,   
    • 5 replies
    • 846 views

  17. Can Bus No Crank No start

    By Atanas Dimitrov,
    • 0 replies
    • 1.6k views

  18. Led Turn Signal and Brake Bulb

    By Shae,
    • 9 replies
    • 1.6k views

  19. AC issues, mind blown…

    By mherbaugh,
    • 4 replies
    • 679 views

  20. Stock DL3

    By Thom Blair,
    • 0 replies
    • 925 views

  21. MOOG front end bushi ngs

    By Steve-Maine,
    • 0 replies
    • 843 views

  22. 06 GMC 2500 HD shocks

    By Steve-Maine,
    • 1 reply
    • 967 views

  23. 2000 Chevrolet 1500 Silverado 4x4

    By Jasmin,
    • 1 reply
    • 842 views

  24. remove electronic 4WD control andlock TC into 4WHI

    By PapaSteve,
    • 0 replies
    • 755 views

  25. Transmission overheating with no load

    By lea5090,
    • 1 reply
    • 1.4k views

  26. Blower Motor housing assembly

    By Elijah Paul,   
    • 0 replies
    • 2.9k views


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