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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. Transmission fluid/filter replacement

    By Run_it,
    • 2 replies
    • 1.3k views

  3. Which is the better purchase? Silverado 1500 or 2500

    By TheSJHL,
    • 5 replies
    • 1.9k views

  4. Vin number on engine block

    By blackdog76,
    • 2 replies
    • 5.4k views

  5. 2019 sierra 2500hd

    By Greg Lemke,
    • 1 reply
    • 1.2k views

  6. 325/65/18 (35" x 13") on Stock 18's - Pictures Inside

    By Big Whiskey,   
    • 8 replies
    • 6.3k views

  7. What you getting 1 2

    By James Beyer,
    • 18 replies
    • 2.2k views

  8. Turning off Active Grade Braking 1 2

    By fjtort2,
    • 17 replies
    • 54.5k views

  9. 2017 HD Denali Grill blackout

    By jstafford,
    • 0 replies
    • 889 views

  10. pulling power of GAS 6.0 2500hd --- not impressed 1 2 3 4 6

    By trx680,
    • 77 replies
    • 47k views

  11. Tire size

    By Kenmason1123,
    • 1 reply
    • 804 views

  12. Lower Control Arms Shot at 55k???

    By IFlyEm,
    • 2 replies
    • 1.2k views

  13. Chevrolet Caps on GMC SLT Wheels

    By Carolina,
    • 2 replies
    • 1.3k views

  14. BDS Coil Over 2-3" kit installed on 2500HD 1 2

    By skav,
    • 21 replies
    • 23.9k views

  15. I would like to purchase "stock torsion keys that came on the truc

    By fjtort2,
    • 9 replies
    • 10.6k views

  16. 2016 2500HD Rear Leaf Clunk

    By GTBensley,
    • 9 replies
    • 4.3k views

  17. 2019 Chevy Silverado Duramax out of OIL!

    By Mark Marquard,
    • 3 replies
    • 1.1k views

  18. 2020 jump seat in 2019 HD? Will it fit?

    By zacharywhitson,
    • 10 replies
    • 6.6k views

  19. connecting to the battery

    By Chevyfan3,
    • 0 replies
    • 777 views

  20. 6.0l lifters

    By rocnrol,
    • 2 replies
    • 1.9k views

  21. Wet Floors front and back

    By DMAX8117,
    • 2 replies
    • 1.2k views

  22. 2016 Silverado 2500HD Steering woes 1 2 3 4 41

    By QueenGlamis,
    • 601 replies
    • 186.2k views

  23. New to me 2500HD

    By !16ChevSilv!,
    • 3 replies
    • 2k views

  24. HD Backup camera replacement?

    By Max Avery,
    • 1 reply
    • 1.3k views

  25. IBC brake control

    By xps800doo,
    • 2 replies
    • 1.2k views

  26. Took a lightning strike, how bad is this.

    By ABGMC2020,
    • 1 reply
    • 1.6k views


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