Jump to content

2020-2026 Silverado HD & Sierra HD

The heavy-duty headquarters. Discussion for the 2500HD and 3500HD. Towing, payload, ordering, and daily driving.

 

 

Subforums

  1. Troubleshooting, Warranty & Recalls

    The repair shop. Diagnose emissions codes, electrical issues, Allison transmission behavior, and recall updates.

    8.8k
    posts

  2. Modifications & Accessories

    Bumper replacements, 5th wheel hitches, auxiliary lighting, and suspension upgrades for your workhorse.

    11k
    posts

  3. 6.6L Duramax Diesel (L5P)

    The torque monster. Tuning, maintenance, and exhaust discussion for the L5P Duramax and 10-speed Allison transmission.

    2.2k
    posts

  4. 6.6L Gas V8 (L8T)

    The iron-block workhorse. Tech and reliability discussion for the 6.6L L8T V8 and the 6-speed / 10-speed heavy-duty transmissions.

    5.6k
    posts

1,791 topics in this forum

  1. Squeaky FOX 2.5 Shocks

    By sballmann45,
    • 1 reply
    • 1.2k views

  2. Backspacing on ZR2 wheels

    By chevy2tuff2006,
    • 3 replies
    • 4.6k views

  3. If I wasn't so close to retirement.....I would buy this truck tomorrow! 1 2 3 4 5

    By Jettech1,
    • 70 replies
    • 6.8k views

  4. chevy vs gmc

    By TeamSaris,
    • 11 replies
    • 8.4k views

  5. Truck Bed Mat

    By ManyCamaroz,
    • 7 replies
    • 4.6k views

  6. 2020 Siverado HD - BCM Wiring - Connector X5 Pigtail Extension

    By JTRACKER,
    • 1 reply
    • 3.1k views

  7. Portable Air Compressor 1 2

    By marpel,
    • 15 replies
    • 10k views

  8. 2024 Chevy Tailgate

    By boxer44,
    • 1 reply
    • 2.1k views

  9. Big Red update

    By Cheekster96,
    • 4 replies
    • 1.2k views

  10. Parking Lot Shenanigans 1 2 3

    By the8rotor,
    • 31 replies
    • 4.9k views

  11. Switched power/ RAP on passenger side fuse box

    By sigmonster,
    • 3 replies
    • 12.9k views

  12. Best way to install back up camera for a 2500 HD with Service Body

    By Chevykris,
    • 1 reply
    • 4.2k views

  13. And here we go with the whole tail "gate" and "water gate" issue of it opening on its own!

    By Jettech1,
    • 14 replies
    • 5.5k views

  14. Rust Proofing 2024 GMC Sierra HD due to NY Winters 1 2

    By Savannah Ottman,
    • 16 replies
    • 6.9k views

  15. Kind of dead in here.... 1 2 3

    By Jettech1,
    • 30 replies
    • 2.9k views

  16. 6.6 Gas - choosing Flowmaster exhaust 1 2 3 4

    By NWSierra,
    • 52 replies
    • 27.4k views

  17. Solution For Hitch Left in Receiver Turning off Reverse Sensors

    By motorcare,   
    • 3 replies
    • 5.2k views

  18. What do you tow with your beast? Pics and experience please.... 1 2 3 4 7

    By Jettech1,
    • 93 replies
    • 17.1k views

  19. Who has a plow? 1 2

    By deluter,
    • 25 replies
    • 30.4k views

  20. Multiple TPMS resets? Short question, long story.

    By NWSierra,
    • 5 replies
    • 1.1k views

  21. 2020 2500HD console to jump seat swap 1 2 3

    By Craig Deary,   
    • 39 replies
    • 46.1k views

  22. 110v constant on possible?

    By sasq40,
    • 1 reply
    • 888 views

  23. 2020 2500 Hard Reset

    By Ameziere22,
    • 1 reply
    • 1.6k views

  24. Stop Sale Sierra and Silverado

    By Phantom 4D,
    • 9 replies
    • 2k views

  25. My dream truck, what is yours? 1 2 3

    By Jettech1,
    • 44 replies
    • 4.5k views

  • Recently Browsing   0 members

    • No registered users viewing this page.

  • Forum Statistics

    250.5k
    Total Topics
    2.7m
    Total Posts

  • Member Statistics

    342,921
    Total Members
    8,960
    Most Online
    Enduro73
    Newest Member
    Enduro73
    Joined

  • Who's Online   2 Members, 0 Anonymous, 1,526 Guests (See full list)

×
×
  • Create New...