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2015-2019 Silverado HD, Sierra HD & Medium Duty

The heavy haulers. Discussion for the 2500HD / 3500HD and the 4500HD / 5500HD / 6500HD chassis cabs.

Subforums

  1. Modifications & Accessories

    Bumpers, towing mirrors, and suspension upgrades.

    10.3k
    posts

  2. Troubleshooting & Recalls

    Diagnose DEF heater failures, CP4 pumps, and electrical issues.

    5.4k
    posts

  3. Engines & Powertrain (Duramax & Vortec)

    Technical discussion for the 6.6L Duramax (LML / L5P) and the 6.0L Gas V8 (L96 / LC8). Covers the Allison 1000 and 6L90 transmissions.

    2.8k
    posts

1,665 topics in this forum

  1. Valve stem extension clips for GMC aluminum dually wheels?

    By DBTravelers,
    • 2 replies
    • 3.9k views

  2. Varying Ride Height

    By Paulismydog,
    • 8 replies
    • 11.4k views

  3. Vehicle Ordering 1 2 3 4

    By ESMD,
    • 47 replies
    • 16.7k views

  4. Vehicle weight MCO vs tire and loading sticker

    By calgator73,
    • 0 replies
    • 1.5k views

  5. Ventilated Seats

    By djv1951,
    • 4 replies
    • 2.9k views

  6. Ventilated/Cooled Seat not working 1 2

    By Shawn T,
    • 15 replies
    • 32.8k views

  7. Vibration

    By JojoGMCHELP,
    • 0 replies
    • 1.2k views

  8. Vibrations in new 2015 Sierra

    By speezyj,
    • 8 replies
    • 2.2k views

  9. Video - 2017 Silverado 2500HD Midnight Edition Z71

    By BrianMello,   
    • 2 replies
    • 1.7k views

  10. Video of HD production at Fort Wayne plant

    By Kent2500,
    • 8 replies
    • 3.3k views

  11. Vin number on engine block

    By blackdog76,
    • 2 replies
    • 14.5k views

  12. Vintage GMC Logo License plate

    By Sierra Boy,   
    • 4 replies
    • 3.4k views

  13. Vinyl bow ties?

    By Pbz,
    • 9 replies
    • 5.1k views

  14. Visual Differences between 2016 Sierra Denali 2500 and 3500

    By WyoRock,
    • 8 replies
    • 7.1k views

  15. Wading depth

    By Phen,
    • 4 replies
    • 12.6k views

  16. Wait times after ordering truck

    By Nick Harding,
    • 1 reply
    • 6.4k views

  17. Waiting for a custom order? Check the dealer's website for "In

    By Kent2500,
    • 10 replies
    • 1.8k views

  18. Waiting on 2500HD but hold up on Snow Plow Prep

    By 39M,
    • 8 replies
    • 6.6k views

  19. Warning, check fluid levels on new trucks 1 2

    By therink,
    • 27 replies
    • 22.7k views

  20. Warranty

    By Laan1237,
    • 1 reply
    • 1.2k views

  21. Was looking at a f-350

    By rjpoog1989,
    • 5 replies
    • 1.6k views

  22. Water depth fording

    By Daver,
    • 3 replies
    • 11.1k views

  23. Water drip from Magnaflow cat-back system muffler - Help!

    By djriv11,   
    • 3 replies
    • 9k views

  24. Water Dripping When Hood Opened

    By paauto,
    • 2 replies
    • 1.3k views

  25. Water under drivers side rear in 2015 2500 HD Sierra CC

    By GMmaniac,   
    • 0 replies
    • 2k views

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