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.

    8.7k
    posts

  2. Modifications & Accessories

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

    10.9k
    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

1,789 topics in this forum

  1. OEM Navigation

    By marpel,
    • 1 reply
    • 960 views

  2. thump when stopping

    By kylant,
    • 2 replies
    • 960 views

  3. Waiting is the WORST

    By rongotti,
    • 3 replies
    • 959 views

  4. Electronic options

    By kylant,
    • 8 replies
    • 955 views
    • Dunn
    • Dunn

  5. Trim Height Specifications

    By Epsilon Plus,
    • 4 replies
    • 955 views

  6. DRW First Wax

    By Tomato,
    • 1 reply
    • 954 views

  7. 2020 Silverado HD infotainment issue

    By Marcathy,
    • 0 replies
    • 954 views

  8. 2024 Tow Mirror Trim Question

    By revrnd,
    • 2 replies
    • 953 views

  9. HD pricing in next few months

    By Dunn,
    • 4 replies
    • 953 views

  10. Infotainment radio "off" screen

    By wezlz,
    • 1 reply
    • 953 views

  11. Mechanics in Orlando, FL

    By Moyses,   
    • 3 replies
    • 952 views

  12. Engine type

    By gemarsh,
    • 4 replies
    • 949 views

  13. Recirculating system

    By Mark Zig,   
    • 2 replies
    • 949 views

  14. Trailer plug spring loaded cover

    By DbMaddog,
    • 1 reply
    • 949 views

  15. Recommendation For This Use Profile?

    By sgnden,
    • 1 reply
    • 948 views

  16. Connector separation from accessory trailer camera

    By D-Strong,
    • 2 replies
    • 947 views

  17. 2020 GMC 3500 HD

    By Philly2020,
    • 2 replies
    • 945 views

  18. Buying 2021 2500 AT4 Diesel in Canada

    By HydrogenCyanide,
    • 2 replies
    • 943 views

  19. 2020 mylink

    By Dirtdevil,
    • 1 reply
    • 939 views

  20. Grades LT and below steering. Vs LTZ and above variable steering?

    By Akwagon,
    • 0 replies
    • 937 views

  21. Silverado HD Pricing - All Makes

    By ApertureX,   
    • 0 replies
    • 930 views

  22. Couple interior questions

    By madweazl,
    • 2 replies
    • 928 views

  23. Trailer camera connector

    By XY74,
    • 0 replies
    • 928 views

  24. Build Date

    By Cheekster96,
    • 4 replies
    • 928 views

  25. 2024 GMC HD Carplay glitching

    By Sam Avaiusini,
    • 1 reply
    • 922 views
×
×
  • Create New...