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2000-2014 Silverado HD & Sierra HD

The workhorses. Discussion for the 2500HD and 3500HD heavy-duty trucks. Covers the 2014 HD transition year.

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  1. Duramax Diesel & 8.1L Big Block

    The torque monsters. Tech for the LB7, LLY, LBZ, LMM, LML Duramax engines and the 8.1L Vortec (L18). Covers the Allison 1000 transmission.

    1.8k
    posts

14,431 topics in this forum

  1. Rear end noise

    By Herdman54,
    • 4 replies
    • 772 views

  2. Early 6.0 and 8.1 questions

    By Ethan Jeremiah Parks,
    • 6 replies
    • 1.5k views

  3. 2012 programmer?

    By sdeeter19555,
    • 7 replies
    • 1.4k views

  4. 2013 gmc sierra 2500 hd

    By Payton251,
    • 10 replies
    • 3.2k views

  5. What Brake Fluid

    By Nick Franks,
    • 6 replies
    • 21.4k views

  6. Which Transfer Case fluid for 2004 Diesel 2500HD 4 wheel drive

    By k_graham,
    • 11 replies
    • 29.1k views

  7. Ls1 swap crank no start 1 2

    By Frank Guerra,
    • 16 replies
    • 4.4k views

  8. Anyone towing with a 2012 Suburban 2500 6.0?

    By Estray70,
    • 4 replies
    • 3.7k views

  9. 4l60E to 4l80E swap Transfercase questions

    By 907Ryan,
    • 2 replies
    • 16k views

  10. reasonable price on these Sierra 2500 work trucks?

    By T20,
    • 3 replies
    • 1k views
    • T20
    • T20

  11. Turn on my right turn signal and brake lights flash instead

    By Scott Haggard,
    • 0 replies
    • 582 views

  12. 03 Chevy 2500hd limp mode-throttle body short issue

    By Mainedave207,
    • 8 replies
    • 11.3k views

  13. Mirrors

    By rusty01,   
    • 7 replies
    • 38.6k views

  14. Front end locked up

    By Chelsbug01,
    • 5 replies
    • 4.5k views

  15. 2006 Silverado 2500HD

    By dj_bosse,
    • 0 replies
    • 742 views

  16. Standard maintenance advice/fluids --> follow the book?

    By T20,
    • 3 replies
    • 814 views

  17. 2011 Silverado Duramax 6.6 turns over no start loses prime

    By Firemanone,
    • 0 replies
    • 470 views

  18. Brake Noises

    By jessaday,
    • 4 replies
    • 863 views

  19. Shift linkage issue

    By Vtguy,
    • 8 replies
    • 40.3k views

  20. 6.0 ls from van into 2500hd pickup

    By mikey062500,
    • 2 replies
    • 615 views

  21. Wanting tow mirrors

    By FordLovinGMCDrivin,   
    • 11 replies
    • 8.8k views

  22. EXHAUST MANIFOLD BOLT FAILURE ON CHEVY 6.0L ls ENGINE

    By aL m.,
    • 3 replies
    • 1.9k views

  23. Squeaking when I accelerate coming from the front.

    By James Thomas Riter Jr.,   
    • 3 replies
    • 15.7k views

  24. New guy from alaska doing an 6.0 swap

    By 907Ryan,
    • 8 replies
    • 925 views

  25. Electrical issues (When lightning strikes).

    By Woody Laudon,
    • 4 replies
    • 3.8k views
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