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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. 
K2_SilveradoSierraHD.jpg

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)

    5k
    posts

  2. 2015-2019 Silverado & Sierra HD Mods

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

    10.2k
    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

1,600 topics in this forum

  1. Will it Fit Guide

    By Kman220,
    • 10 replies
    • 6.7k views

  3. 2016 3500 Silverado steering wobble when braking

    By Ken Terry,
    • 5 replies
    • 833 views

  4. DEF Capacity & Refill Question

    By Icutmetl,
    • 9 replies
    • 40.4k views

  5. Parasitic power drain

    By J Whisenant,
    • 2 replies
    • 228 views

  6. Front Suspension Torque Specs?

    By CuzznVinny,
    • 7 replies
    • 49.2k views

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

    By Chris Schultz,
    • 53 replies
    • 79.7k views

  8. 6.0 engines

    By Ryan Digman,
    • 7 replies
    • 446 views

  9. Tow hitch weight

    By AbzDad,
    • 5 replies
    • 414 views

  10. 6.0 with 6-speed / 4.10 gear rpm

    By Sirspeedy,
    • 13 replies
    • 10.5k views

  11. How to figure out tunes on my truck?

    By Cain Pierce,
    • 0 replies
    • 272 views

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

    By Dropsix,   
    • 1.5k replies
    • 385.3k views

  13. Smaller DEF Tank

    By Michael Petty,
    • 2 replies
    • 434 views

  14. Intermittent extreme wobble 2015 3500 duelly 1 2

    By Todd1312,
    • 26 replies
    • 21.4k views

  15. Flat Towing

    By SteveE,
    • 2 replies
    • 595 views

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

    By Kdub1961,
    • 2 replies
    • 574 views

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

    By GlenS,
    • 7 replies
    • 15.4k views

  18. USB ports

    By Chebbyfan,
    • 0 replies
    • 569 views

  19. 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
    • 726 views

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

    By SugeDay,
    • 3 replies
    • 735 views

  21. Neutral for HD transfer case 1 2

    By rocnrol,
    • 22 replies
    • 16.6k views

  22. 6.6 gas swap 1 2

    By Chebbyfan,
    • 17 replies
    • 4.8k views

  23. Wading depth

    By Phen,
    • 3 replies
    • 785 views

  24. 6L90 torque converter shudder

    By scole,
    • 2 replies
    • 1.5k views

  25. Transmission fluid/filter replacement

    By Run_it,
    • 2 replies
    • 976 views

  26. Which is the better purchase? Silverado 1500 or 2500

    By TheSJHL,
    • 5 replies
    • 1.6k views


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