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2020+ Silverado HD & Sierra HD

An all new forum to discuss topics directly related to the all new 2020 & 2021 Chevy Silverado HD & GMC Sierra HD 2500 & 3500

 

2020 Chevy Silverado HD & 2020 GMC Sierra HD

Subforums

  1. 2020 Silverado HD & Sierra HD Troubleshooting

    A central location to report any issues or asking for help troubleshooting any problems with your 2020 Chevrolet Silverado 2500 / 3500 or 2020 GMC Sierra 2500 / 3500. Also recall announcements and Technical Service Bulletins (TSB).

    2,590
    posts

  2. 2020 Silverado HD & Sierra HD Mods

    Discuss modifying and accessorizing your 2020 Chevrolet Silverado 2500 / 3500 or 2020 GMC Sierra 2500 / 3500.

    3,839
    posts

  3. 6.6L Duramax Diesel & Allison Powertrain (L5P/MGM)

    Technical powertrain discussion specifically for the 2020+ L5P Duramax Diesel Engine and 10-Speed Allison Transmission combination on the 2020 Chevrolet Silverado 2500 / 3500 or 2020 GMC Sierra 2500 / 3500

    1,140
    posts

  4. 6.6L Gas V8 & HD Transmission Powertrain (L8T/MYD)

    Technical powertrain discussion specifically for the 2020+ L8T 6.6L Gas V8 engine and MYD 6-Speed HD transmission combination on the 2020 Chevrolet Silverado 2500 / 3500 or 2020 GMC Sierra 2500 / 3500

    848
    posts

714 topics in this forum

  1. 2020+ T1 Chevrolet/GMC HD Quick Reference Guide 1 2

    By newdude,   
    • 17 replies
    • 11,122 views

  3. 2020 HD picture Thread 1 2 3 4 34

    By CRApex,   
    • 495 replies
    • 110,797 views

  4. 2020 TPMS/trailer cameras 1 2 3 4 18

    By sdelam,
    • 258 replies
    • 50,453 views

  5. Happy Birthday to me, 3500HD officially ordered! 1 2 3 4 16

    By FirstAscent,
    • 239 replies
    • 6,725 views

  6. Factory 5th wheel prep 1 2 3 4 10

    By powerhaulic,
    • 143 replies
    • 36,096 views

  7. 2020 HD Ordering Updates, 2019 HD Production End Dates 1 2 3 4 10

    By newdude,   
    • 141 replies
    • 29,505 views

  8. Upfitter switches 1 2 3 4 10

    By Truckchauffeur,
    • 137 replies
    • 50,062 views

  9. 6.6 gas 1 2 3 4 9

    By gearheadesw,
    • 132 replies
    • 28,690 views

  10. 2020 HD Plant Production 1 2 3 4 9

    By Pate Services,
    • 131 replies
    • 12,071 views

  11. The Inevitable Comparison: GM 6.6 vs. Ford 7.3 1 2 3 4 9

    By C/K Man,
    • 120 replies
    • 30,048 views

  12. 6.6 Gas MPG 1 2 3 4 8

    By brendon444,
    • 109 replies
    • 77,946 views

  13. Target Production Week Has Arrived! 1 2 3 4 7

    By cdnSpinalTap,
    • 97 replies
    • 5,026 views

  14. Auxiliary Accessory Trailer Camera 1 2 3 4 7

    By Scott Perkins,
    • 95 replies
    • 31,934 views

  15. Drivability of 6.6L gas 2500 vs 6.2L 1500 1 2 3 4 6

    By RE1,
    • 83 replies
    • 19,754 views

  16. GM Sold Me A Chunk Of Rust With A Truck Around it 1 2 3 4 6

    By Tahoe Tuff,
    • 82 replies
    • 7,186 views

  17. Trying to order new 3500... Not having any luck. 1 2 3 4 6

    By trswyo,
    • 81 replies
    • 4,134 views

  18. Any new news on GM retiring the 6.Dinosaur ? 1 2 3 4 6

    By f8l vnm,
    • 79 replies
    • 13,889 views

  19. 6.6L GAS for 2010HD? 1 2 3 4 6

    By redwngr,
    • 76 replies
    • 12,402 views

  20. Silverado HD revealed 1 2 3 4 5

    By Jollygreengiant,
    • 74 replies
    • 8,083 views

  21. Disappointed in towing performance 1 2 3 4 5

    By GearHead71,
    • 71 replies
    • 6,960 views

  22. 2020 Sierra HD reveal 1 2 3 4 5

    By DTB,
    • 67 replies
    • 5,873 views

  23. Ordered 2020 HD 1 2 3 4 5

    By cattledog04,
    • 64 replies
    • 7,069 views

  24. I was set on a 2500, but now considering a 3500 1 2 3 4 5

    By FirstAscent,
    • 62 replies
    • 4,385 views

  25. New 6.6 gas 1 2 3 4

    By Gary Blaylock,
    • 59 replies
    • 5,527 views

  26. Oil 1 2 3 4

    By 07Serria,
    • 58 replies
    • 7,284 views


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