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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. Frame specifications of the boxed HD frame

    By Hendrickson360,   
    • 12 replies
    • 73.5k views

  2. Help with Airbag Light on Dash 2005 Silverado 1500

    By Wiggin,
    • 3 replies
    • 10.6k views

  3. 02 Chevy Silverado 2500HD

    By DB Austin,
    • 2 replies
    • 1.7k views

  4. Lower Control Arm Bushings?

    By rszimm,
    • 7 replies
    • 36.7k views

  5. Looking for complete body

    By DB Austin,
    • 0 replies
    • 736 views

  6. 04 gmc 2500hd 6.0L no communication while doing ckp relearn or misfire data watch

    By dave edward,
    • 3 replies
    • 2.1k views

  7. 6.0L suddenly burning oil @ start-up

    By 12dbsinad,
    • 4 replies
    • 4.4k views

  8. Stuck in 3rd, abs, service brake system, no gear indicator

    By Beatums,
    • 3 replies
    • 6.4k views

  9. Windshield washer issues

    By 62caster,
    • 2 replies
    • 964 views

  10. Wiring 2011 Chevy 2500hd brake light to 2006 Chevy 2500 plug.

    By Joseph Manning,
    • 1 reply
    • 1.2k views

  11. 2005 Silverado. Want to replace radio but need to unlock anti-theft feature

    By alabamatx,
    • 0 replies
    • 1.3k views

  12. Abs light

    By Mikey Currier,
    • 0 replies
    • 1.2k views

  13. Fixing my next two issues.

    By Grubbworm,
    • 5 replies
    • 1.1k views

  14. coolant bypass hose

    By Richard Hill,
    • 3 replies
    • 1.3k views

  15. 6.0 Exhaust Manifold to Head bolts broken.

    By Grubbworm,
    • 6 replies
    • 4.5k views

  16. Replaced Air Bag Control Module

    By hiking_mike,
    • 1 reply
    • 1.6k views

  17. Park assist Fault diagnosis

    By Keith Pincher,
    • 1 reply
    • 852 views

  18. P0446 Code (Evaporative Emission System Vent Control Circuit) - ??

    By grey2112,
    • 6 replies
    • 11.5k views

  19. 2007 Avalanche Battery Draining

    By Blackbird307,
    • 3 replies
    • 6.5k views

  20. My 2004 GMC Sierra 2500 HD 4X4 Complete Brake Rebuild

    By Grubbworm,
    • 10 replies
    • 4.4k views

  21. Looking to buy 2001 Silverado HD.

    By Boomboom59,
    • 2 replies
    • 1.5k views

  22. Service Air Bag on my DIC

    By Caelcamino,
    • 4 replies
    • 1.4k views

  23. What Rear-end do I have?

    By Michael918,
    • 9 replies
    • 12.2k views

  24. What to do during engine swap

    By Daniel Nash,
    • 2 replies
    • 2.3k views

  25. best duel exhaust for 05 silverado 2500 hd stock muffler 2 inlet 2 outlet

    By mattchrz,
    • 1 reply
    • 1.3k views
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