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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)

    4,790
    posts

  2. 2015-2019 Silverado & Sierra HD Mods

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

    9,933
    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.

    2,695
    posts

1,563 topics in this forum

  1. Running Boards Icy

    By Colossus,
    • 0 replies
    • 295 views

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

    By 2018GMC,
    • 36 replies
    • 51,655 views

  4. Yokohama geolandar m/t G003

    By 4wdriver,
    • 11 replies
    • 1,693 views

  5. Turning off Active Grade Braking 1 2

    By fjtort2,
    • 16 replies
    • 36,959 views

  6. 17 HD tranny leak only 28,000 miles! 1 2

    By Midnight Black,   
    • 15 replies
    • 1,206 views

  7. Borscoping the intake valves?

    By Gregory Krisa,
    • 3 replies
    • 544 views

  8. Rear End Clunking

    By RJP44,
    • 3 replies
    • 664 views

  9. 2020 jump seat in 2019 HD? Will it fit?

    By zacharywhitson,
    • 7 replies
    • 1,499 views

  10. General questions

    By rsanford,
    • 1 reply
    • 335 views

  11. 6.0 hesitation 1 2

    By i82much,
    • 19 replies
    • 3,896 views

  12. My 2017 Steering Woes

    By Mike Payne,   
    • 5 replies
    • 2,816 views

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

    By Jdell85,
    • 32 replies
    • 2,292 views

  14. need rear axle lubricant info

    By 94yj,
    • 10 replies
    • 1,030 views

  15. 3500HD Tire, Wheel, and Key/Leveling Kit Input needed

    By Xshot,
    • 3 replies
    • 531 views

  16. Exhaust brake operation 1 2

    By Revspan,
    • 25 replies
    • 6,454 views

  17. Fog on the inside of headlight assembly

    By theJman,
    • 2 replies
    • 507 views

  18. Hitch receiver cover

    By elucas78,
    • 1 reply
    • 340 views

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

    By Jeff Penn,
    • 23 replies
    • 34,804 views

  20. squeakey brakes or brake 1 2 3

    By OsageZ71,
    • 32 replies
    • 16,168 views

  21. Cab Marker Lights

    By cbgrant74,
    • 12 replies
    • 3,199 views

  22. Wiper blade replacement options?

    By dave_clt,
    • 11 replies
    • 1,251 views

  23. Duramax not starting 1 2

    By Flyingwhiskey,   
    • 18 replies
    • 9,843 views

  24. Horn problems!

    By DGBenny,
    • 11 replies
    • 16,091 views

  25. 2016 Wheel Center Cap removal?

    By pacokarp,
    • 2 replies
    • 491 views

  26. Tow mirrors, but is the puddle light wire in the harness?

    By jdip0717,
    • 0 replies
    • 426 views


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