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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. Dealer pricing ridiculous on 2500

    By cmysstailights,
    • 13 replies
    • 2.4k views

  3. Andersen 5th wheel

    By cmysstailights,
    • 12 replies
    • 978 views

  4. Tailgate Cable Request

    By revrnd,
    • 6 replies
    • 2.2k views

  5. Tire Load Range

    By ddeason,
    • 0 replies
    • 519 views

  6. Brake issue

    By John 25,
    • 1 reply
    • 542 views

  7. 2016 3500 Stereo Upgrade

    By Xshot,
    • 10 replies
    • 2.7k views

  8. Running Boards Icy

    By Colossus,
    • 0 replies
    • 446 views

  9. 2017+ L5P reliability. Post good & bad 1 2 3

    By 2018GMC,
    • 36 replies
    • 74.7k views

  10. Yokohama geolandar m/t G003

    By 4wdriver,
    • 11 replies
    • 4.3k views

  11. 17 HD tranny leak only 28,000 miles! 1 2

    By Midnight Black,   
    • 15 replies
    • 1.9k views

  12. Borscoping the intake valves?

    By Gregory Krisa,
    • 3 replies
    • 823 views

  13. General questions

    By rsanford,
    • 1 reply
    • 516 views

  14. 6.0 hesitation 1 2

    By i82much,
    • 19 replies
    • 10.8k views

  15. My 2017 Steering Woes

    By Mike Payne,   
    • 5 replies
    • 10k views

  16. What kind of MPG will a tuner get me? 1 2 3

    By Jdell85,
    • 32 replies
    • 16.9k views

  17. 3500HD Tire, Wheel, and Key/Leveling Kit Input needed

    By Xshot,
    • 3 replies
    • 919 views

  18. Exhaust brake operation 1 2

    By Revspan,
    • 25 replies
    • 13.2k views

  19. Fog on the inside of headlight assembly

    By theJman,
    • 2 replies
    • 993 views

  20. Hitch receiver cover

    By elucas78,
    • 1 reply
    • 585 views

  21. Roof leak fixed and GM/ dealership response 1 2

    By Jeff Penn,
    • 23 replies
    • 53.1k views

  22. squeakey brakes or brake 1 2 3

    By OsageZ71,
    • 32 replies
    • 25.1k views

  23. Cab Marker Lights

    By cbgrant74,
    • 12 replies
    • 5.3k views

  24. Wiper blade replacement options?

    By dave_clt,
    • 11 replies
    • 1.8k views

  25. Duramax not starting 1 2

    By Flyingwhiskey,   
    • 18 replies
    • 25k views

  26. Horn problems!

    By DGBenny,
    • 11 replies
    • 28.3k views


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