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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

1,616 topics in this forum

  1. Will it Fit Guide

    By Kman220,
    • 10 replies
    • 9.1k views

  3. Difference between SLE premium package and Kodiak edition

    By Norinradd,
    • 0 replies
    • 43 views

  4. Difference between SLE premium package and Kodiak edition

    By Norinradd,
    • 0 replies
    • 62 views

  5. Theft attempted

    By rocnrol,
    • 11 replies
    • 19.1k views

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

    By Dropsix,   
    • 1.5k replies
    • 402.3k views

  7. L5P trouble codes, need help

    By Rreeck43,
    • 1 reply
    • 819 views

  8. Hydro BOOST brakes 1 2

    By XSKIER,
    • 18 replies
    • 11.8k views

  9. Radio stops playing

    By WallaceB,
    • 0 replies
    • 594 views

  10. Low Speed Hesitation

    By 1badc5,
    • 14 replies
    • 54.2k views

  11. 2017 Silverado 2500HD Remote Start and Backup Camera addition

    By JS202137,
    • 1 reply
    • 1k views

  12. 17-19 sierra 25/3500 added gauge pods?

    By weld_stallion,
    • 0 replies
    • 789 views

  13. Front bench seat conversion 1 2

    By Sour_Squirrel,
    • 28 replies
    • 37.3k views

  14. homelink on snow plow prep?

    By jerseydrew,
    • 4 replies
    • 3.9k views

  15. anyone add air/train horns to their hd

    By 94yj,
    • 8 replies
    • 2.1k views

  16. TPMS numbers

    By Chebbyfan,
    • 1 reply
    • 942 views

  17. Trailer Stop/Turn Signal Lamp Relay

    By Jim A,
    • 1 reply
    • 9k views

  18. 2015 Silverado. Pretty sure its been covered with tires and stock 20inch rims

    By Ryan Digman,
    • 4 replies
    • 1k views

  19. 2015 Silverado Infotainment center problems

    By Bamaguy6900,   
    • 8 replies
    • 9.5k views

  20. Catalytic Converter??

    By Mcheil83,
    • 3 replies
    • 1.1k views

  21. 2015 sierra 6.6 spitting coolant from reservoir valve

    By zach sotz,
    • 1 reply
    • 1k views

  22. DIC Question 1 2

    By '15tx2500hd,
    • 16 replies
    • 8.7k views

  23. Cleaning the factory bedliner

    By 2017HD,
    • 2 replies
    • 1.2k views

  24. Rear End Clunking

    By RJP44,
    • 5 replies
    • 2.2k views

  25. need rear axle lubricant info

    By 94yj,
    • 11 replies
    • 6.8k views

  26. 2017 (or any K2XX) Gasser Axle Lube Capacities.

    By revrnd,
    • 4 replies
    • 1.5k views


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