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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)

    5.4k
    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

1,632 topics in this forum

  1. 2019 Silverado 2500HD Duramax [Video]

    By BrianMello,   
    • 0 replies
    • 702 views

  3. for those with aftermarket backup cameras

    By 94yj,
    • 0 replies
    • 424 views

  4. XM reception

    By LynS76,   
    • 0 replies
    • 513 views

  5. fog and headlight leds 1 2 3 4 5

    By dynoray,
    • 62 replies
    • 9.5k views

  6. 2018 silverado drivers window wind/air leak noise

    By Tazman18,
    • 4 replies
    • 5.2k views

  7. 2016 Duramax regen indication

    By Mike Hamm,
    • 6 replies
    • 19.7k views

  8. Bed has shifted to drivers side

    By Plumber101010,   
    • 2 replies
    • 2k views

  9. Best tire PSI? 1 2 3

    By Cmillerjr,
    • 31 replies
    • 35.6k views

  10. 2017 GMC Sierra Denali 3500HD Parts

    By RyF,
    • 7 replies
    • 1.5k views

  11. Cover large lower grill opening 1 2

    By kcmusa,   
    • 24 replies
    • 16.2k views

  12. Swapping out Rancho for adjustable shocks for smooth ride in the city and stiffer when hauling

    By Behemoth,
    • 7 replies
    • 2.6k views

  13. dumb question

    By Neb15,
    • 4 replies
    • 765 views

  14. Who's Chapped? Me, that's who. 1 2

    By deminimis,
    • 22 replies
    • 2.4k views

  15. OBDII plug and turbo boost

    By Revspan,
    • 3 replies
    • 589 views

  16. Is there enough wire to flip over the trailer plug in?

    By AJE,
    • 4 replies
    • 1.3k views

  17. Post photos of your reg cab 2500/3500 HD's with running boards

    By 94yj,
    • 1 reply
    • 536 views

  18. Burning smell in cab followed by exploding rear window 1 2

    By Philip Gilmore,
    • 20 replies
    • 14.4k views

  19. Off road driving on long island

    By Grumpy Tooch,
    • 2 replies
    • 600 views

  20. Gas vs. Diesel, please read 1st 1 2 3 4

    By StevePT,
    • 59 replies
    • 16.1k views

  21. DEF Frustration

    By motolover95,   
    • 6 replies
    • 12k views

  22. Shock Install

    By Paulismydog,
    • 9 replies
    • 11.3k views

  23. Back to the dealer for third time in 10k miles

    By ickyoldman,
    • 1 reply
    • 598 views

  24. Can Someone give me the 411 on Lowering the Rear of my 2500hd? 1 2 3

    By ickyoldman,
    • 36 replies
    • 27.6k views

  25. I ordered a 2019 Denali 2500 HD 6.0L Gas L96 4x4 CCSB 1 2 3 4

    By ITS_CLN,
    • 51 replies
    • 9.1k views

  26. Burnt out headlight

    By rocnrol,
    • 2 replies
    • 618 views


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