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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.

    10.2k
    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

1,611 topics in this forum

  1. Will it Fit Guide

    By Kman220,
    • 10 replies
    • 8.2k views

  3. Front bench seat conversion 1 2

    By Sour_Squirrel,
    • 28 replies
    • 34.5k views

  4. homelink on snow plow prep?

    By jerseydrew,
    • 4 replies
    • 3.3k views

  5. anyone add air/train horns to their hd

    By 94yj,
    • 8 replies
    • 1.3k views

  6. TPMS numbers

    By Chebbyfan,
    • 1 reply
    • 192 views

  7. 2017 Silverado 2500HD Remote Start and Backup Camera addition

    By JS202137,
    • 0 replies
    • 209 views

  8. Trailer Stop/Turn Signal Lamp Relay

    By Jim A,
    • 1 reply
    • 7.1k views

  9. 2015 Silverado. Pretty sure its been covered with tires and stock 20inch rims

    By Ryan Digman,
    • 4 replies
    • 415 views

  10. 2015 Silverado Infotainment center problems

    By Bamaguy6900,   
    • 8 replies
    • 8.3k views

  11. Catalytic Converter??

    By Mcheil83,
    • 3 replies
    • 580 views

  12. 2015 sierra 6.6 spitting coolant from reservoir valve

    By zach sotz,
    • 1 reply
    • 588 views

  13. DIC Question 1 2

    By '15tx2500hd,
    • 16 replies
    • 8k views

  14. Cleaning the factory bedliner

    By 2017HD,
    • 2 replies
    • 710 views

  15. Rear End Clunking

    By RJP44,
    • 5 replies
    • 1.6k views

  16. Low Speed Hesitation

    By 1badc5,
    • 13 replies
    • 50.8k views

  17. need rear axle lubricant info

    By 94yj,
    • 11 replies
    • 5.3k views

  18. 2017 (or any K2XX) Gasser Axle Lube Capacities.

    By revrnd,
    • 4 replies
    • 996 views

  19. trailer brake output

    By GlenS,
    • 14 replies
    • 19.1k views

  20. 2015 GMC Sierra 1500 heated led headlights

    By Sukhbir Gill,
    • 0 replies
    • 987 views

  21. Can't sync contacts

    By Joe Civittolo 321Lc,
    • 0 replies
    • 507 views

  22. Parasitic power drain

    By J Whisenant,
    • 4 replies
    • 1.2k views

  23. 2016 Sierra 2500 HD with 6.0 FLEX Fuel

    By Marc Thompson,
    • 7 replies
    • 2.1k views

  24. Vibration

    By JojoGMCHELP,
    • 0 replies
    • 670 views

  25. 6L90 torque converter shudder

    By scole,
    • 8 replies
    • 4.1k views

  26. Snowplow kills the dash even after the harness update.

    By DaBomb6988,
    • 4 replies
    • 2.2k views


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