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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)

    5.3k
    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

1,626 topics in this forum

  1. Passenger seatbelt

    By snarkee,
    • 7 replies
    • 1.8k views

  3. National Search?

    By Salty Dog,
    • 4 replies
    • 979 views

  4. 2017 Gas 2500 Changes 1 2 3 4 19

    By Capt Call,
    • 270 replies
    • 85.2k views

  5. New 2016 2500

    By 16Lucho,
    • 10 replies
    • 1.7k views

  6. I got hit yesterday 1 2

    By Emtmtb,
    • 15 replies
    • 3.9k views

  7. A few pounds for winter! 1 2 3

    By Big ~O~,
    • 30 replies
    • 4.9k views

  8. Signing papers tomorrow and I have a few questions 1 2

    By isleepu,
    • 18 replies
    • 2.4k views

  9. made offer on new truck 1 2

    By 4wdriver,
    • 25 replies
    • 3k views

  10. WRECKED 2015 Duramax LTZ REAR ENDED! Diminished Value?

    By audioworks04,
    • 9 replies
    • 3.9k views

  11. 2500 Sierra All Terrain vs Denali

    By Jrichardson,
    • 3 replies
    • 3.4k views

  12. What oil would you use in a Duramax in extreme cold? 1 2

    By ndeepoffroad,
    • 16 replies
    • 10.8k views

  13. new truck

    By rickit,
    • 3 replies
    • 943 views

  14. Onstar

    By duramaxmb,
    • 1 reply
    • 834 views

  15. Heated seats don't heat 1 2

    By Kesslinger,
    • 16 replies
    • 2.8k views

  16. GPS/Navigation/Bluetooth don't work

    By Turner23kc,
    • 4 replies
    • 1.7k views

  17. New 2500 owner

    By nolega,
    • 10 replies
    • 1.3k views

  18. She is complete

    By 07Serria,
    • 10 replies
    • 1.8k views

  19. First 2017 sold? 1 2

    By Nellyinda803,
    • 17 replies
    • 2.5k views

  20. My 2016 2500HD

    By Black_Betty,
    • 3 replies
    • 1.2k views

  21. RPO Code Updates & Questions 1 2

    By revrnd,
    • 15 replies
    • 17k views

  22. Traded up from 1500 to 2500 duramax

    By Greg15z71,
    • 12 replies
    • 1.8k views

  23. Break in for 6.0L 1 2

    By xrevx1,
    • 22 replies
    • 8.4k views

  24. 16 Digital Steering Assist - How is yours? 1 2

    By 2TrakR,
    • 17 replies
    • 11.5k views

  25. 275/65R20

    By Skeld,
    • 11 replies
    • 11.3k views

  26. Speedo recalibrate 1 2

    By cford716,
    • 16 replies
    • 17.1k views


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