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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. Question about buying a new truck

    By 3500 fan,
    • 6 replies
    • 1.6k views

  3. Start the clock ... order just placed for 2015 3500HD

    By bigimac,
    • 14 replies
    • 1.9k views

  4. 2015 GMC 2500 Delivered 1 2

    By Shawn T,
    • 18 replies
    • 5.4k views

  5. Finally got my 2015 3500hd CC SB 6.0. Well worth the wait

    By hammerman07,
    • 1 reply
    • 1.2k views

  6. 2015 HD front windows

    By TX14Z71,
    • 11 replies
    • 2.6k views

  7. 2015 color matched grille

    By zacharywhitson,
    • 5 replies
    • 3.5k views

  8. Leveling kit

    By DanL,
    • 5 replies
    • 7.2k views

  9. New updated Duramax in 2016/2017?

    By ChevyZ71LTZ,
    • 1 reply
    • 2.8k views

  10. High Country

    By 73survivor,
    • 0 replies
    • 2.2k views

  11. 2015 Chevy 2500HD Duramax LTZ Z71

    By SLCHEVY,
    • 12 replies
    • 8.4k views

  12. 2015 Sierra 2500HD Extra cup holders for front console?

    By dysert,
    • 2 replies
    • 1.9k views

  13. Parking my new 2015 for 45 days - what to disconnect?

    By stampeder,
    • 11 replies
    • 1.5k views

  14. Waiting on 2500HD but hold up on Snow Plow Prep

    By 39M,
    • 8 replies
    • 6.2k views

  15. Colour matched bumpers??

    By Laan1237,
    • 3 replies
    • 1.3k views

  16. Chevy or GMC HD? 1 2

    By STINSAN3,
    • 19 replies
    • 4.6k views

  17. 2500HD or 3500HD SRW

    By burnthefurniture,
    • 2 replies
    • 21.7k views

  18. Width of the stock aluminum 17" and 18" wheel rims?

    By Kent2500,
    • 1 reply
    • 6.8k views

  19. Bucket seats

    By crazydog,
    • 2 replies
    • 1.6k views

  20. mpg increase after break-in ?

    By seanandnik,
    • 3 replies
    • 3.5k views

  21. Bought a 2015 GMC Denali 6.6 Today

    By JaronM3,
    • 0 replies
    • 1.1k views

  22. leveled w/33s 2500

    By brewguy101,
    • 9 replies
    • 13k views

  23. GMC The Magazine - Online Version

    By jcchevy,   
    • 0 replies
    • 2.2k views

  24. My 2015 GMC 3500 HD

    By macyak,
    • 7 replies
    • 3.4k views

  25. 2015 3500 Denali...Finally!

    By want2flyy,
    • 10 replies
    • 2.3k views

  26. Finally Here

    By smith462,
    • 5 replies
    • 1.1k views


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