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2015-2019 Silverado HD & Sierra HD

Ownership help, research, and support for the K2XX generation 2015, 2016, 2017, 2018 & 2019 Silverado HD / Sierra HD. Also known as the Silverado 2500 or 3500. 

Subforums

  1. 2015-2019 Silverado & Sierra HD Troubleshooting

    A central location to report any issues or asking for help troubleshooting any problems with your 2015-2019 Chevrolet Silverado HD or GMC Sierra HD. Also recall announcements and Technical Service Bulletins (TSB)

    5.2k
    posts

  2. 2015-2019 Silverado & Sierra HD Mods

    Modifying and accessorizing your 2015-2019 Chevy Silverado 2500HD/3500HD or GMC Sierra 2500HD/3500HD.

    10.3k
    posts

  3. 6.6L (LML/L5P) & 6.0L (L96/LC8) Tech

    Technical discussion for the 2015-2016 Duramax 6.6L Turbo-Diesel V-8 (LML),  2017-2019 Duramax 6.6L Turbo-Diesel V-8 (L5P) and Vortec 6.0L V-8 (L96 / LC8) in the 2015-2019 Silverado HD and Sierra HD applications. Also includes, drivetrain, transmission, axles, differentials, and exhaust systems.

    2.8k
    posts

1,614 topics in this forum

  1. 2016 Sierra 2500 HD with 6.0 FLEX Fuel

    By Marc Thompson,
    • 7 replies
    • 2.8k views

  3. Vibration

    By JojoGMCHELP,
    • 0 replies
    • 794 views

  4. 6L90 torque converter shudder

    By scole,
    • 8 replies
    • 4.6k views

  5. Snowplow kills the dash even after the harness update.

    By DaBomb6988,
    • 4 replies
    • 2.3k views

  6. Gear Indicator 1 2

    By Makkat,
    • 20 replies
    • 11.5k views

  7. 2016 3500 Silverado steering wobble when braking

    By Ken Terry,
    • 5 replies
    • 2.2k views

  8. DEF Capacity & Refill Question

    By Icutmetl,
    • 9 replies
    • 53.5k views

  9. Front Suspension Torque Specs?

    By CuzznVinny,
    • 7 replies
    • 60.3k views

  10. Wifi Hotspot on while Truck is off? 1 2 3 4

    By Chris Schultz,
    • 53 replies
    • 88.9k views

  11. 6.0 engines

    By Ryan Digman,
    • 7 replies
    • 1.7k views

  12. Tow hitch weight

    By AbzDad,
    • 5 replies
    • 1.7k views

  13. 6.0 with 6-speed / 4.10 gear rpm

    By Sirspeedy,
    • 13 replies
    • 13.3k views

  14. How to figure out tunes on my truck?

    By Cain Pierce,
    • 0 replies
    • 657 views

  15. Post photos of your 2500/3500 HD's 1 2 3 4 100

    By Dropsix,   
    • 1.5k replies
    • 399.2k views

  16. Smaller DEF Tank

    By Michael Petty,
    • 2 replies
    • 1.2k views

  17. Intermittent extreme wobble 2015 3500 duelly 1 2

    By Todd1312,
    • 26 replies
    • 24.9k views

  18. Flat Towing

    By SteveE,
    • 2 replies
    • 958 views

  19. just replace the def heater in a 2015 gmc 2500 duramax and codes are popping up

    By Kdub1961,
    • 2 replies
    • 999 views

  20. looking for the chmsl wire on a 16 2500hd

    By GlenS,
    • 7 replies
    • 18.2k views

  21. USB ports

    By Chebbyfan,
    • 0 replies
    • 891 views

  22. is this acurite to the real 3500HD's capacity? (i dont know because im 13 and never owned any type of road legal vehicle)

    By hotwheelsguy69,
    • 4 replies
    • 1k views

  23. Looking for some input on if it's worth it

    By SugeDay,
    • 3 replies
    • 967 views

  24. Neutral for HD transfer case 1 2

    By rocnrol,
    • 22 replies
    • 18.8k views

  25. 6.6 gas swap 1 2

    By Chebbyfan,
    • 17 replies
    • 8.3k views

  26. Wading depth

    By Phen,
    • 3 replies
    • 2.2k views


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