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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. Injector update

    By iso221,
    • 7 replies
    • 362 views

  2. 2013 2500HD 6.0L intermittent no crank no start

    By linc45bn,
    • 1 reply
    • 376 views

  3. 2007 Silverado 2500HD Classic Blower Motor

    By Johnny Alford,
    • 1 reply
    • 239 views

  4. Intermittent electrical problem

    By CNH-320,
    • 0 replies
    • 233 views

  5. Electrical Issue

    By imZiRT,
    • 2 replies
    • 324 views

  6. 2002 Sierra 3500 Dually Rear Fender

    By impala454,
    • 2 replies
    • 458 views

  7. 2011 Suburban 2500 - Replacement Exhaust Manifold (Driver's Side)

    By 6Point5Diesel,
    • 2 replies
    • 360 views

  8. Coolant Flow

    By Grubbworm,
    • 5 replies
    • 463 views

  9. Some Maintenance I have done to my truck today. 1 2 3

    By Grubbworm,
    • 31 replies
    • 5.4k views

  10. 06 Duramax clutch fan

    By Steve-Maine,
    • 0 replies
    • 324 views

  11. 2012 HD2500 work truck alternator voltage too high?

    By ifixedit,
    • 2 replies
    • 333 views

  12. Disc brake caliper guide pin seals..???

    By rudylombard79,
    • 2 replies
    • 301 views

  13. How to find a GPS and kill switch on a 2007 chevy

    By Diana,
    • 1 reply
    • 426 views

  14. All dash lights not working

    By jonboy1919,
    • 10 replies
    • 50.2k views

  15. Dephi VS AC Delco fuel pumps

    By dna9656,
    • 3 replies
    • 343 views

  16. just put a brand new tranny dip stick in, Now it wont pull out?

    By Boerboel413,
    • 1 reply
    • 223 views

  17. 2007 Chevrolet Silverado 2500HD Classic 6.6L LBZ Duramax diesel

    By KYFinest90Proof,
    • 3 replies
    • 395 views

  18. Need a VIN number for BCM flash

    By Fixxer Automotive,
    • 2 replies
    • 637 views

  19. Intermediate Parking Brake Cable Help

    By 02 GMC 2500HD,
    • 10 replies
    • 22.6k views

  20. Service Trailer Brake System?

    By sdeeter19555,
    • 4 replies
    • 590 views

  21. 252k - transmission gave its last

    By sdeeter19555,
    • 7 replies
    • 774 views

  22. transmission input speed sensor problem

    By richard wysong,
    • 2 replies
    • 1k views

  23. 2011 2500hd 6.0 misfire 1 2 3 4 6

    By casey.mikl,
    • 79 replies
    • 56.4k views

  24. Vents in the dash

    By Steve-Maine,
    • 0 replies
    • 315 views

  25. Panel below bumper on 06 GMC

    By Steve-Maine,
    • 3 replies
    • 409 views
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