2020-2024 Silverado HD & Sierra HD

Subforums

1. 2020-2024 Silverado HD & Sierra HD Troubleshooting

   A central location to report any issues or ask for help troubleshooting any problems with your 2020-2024 Chevrolet Silverado 2500 HD / 3500 HD or 2020-2024 GMC Sierra 2500 HD / 3500 HD. 

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   posts

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   • Changing to neutral with dead battery
   • By newdude, 8 hours ago
2. 2020-2024 Silverado HD & Sierra HD Mods

   Discuss modifying and accessorizing your 2020-2024 Chevrolet Silverado 2500 HD / 3500 HD or 2020-2024 GMC Sierra 2500 HD / 3500 HD.

   9.3k

   posts

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   • Fumoto valve
   • By Pryme, Thursday at 02:37 AM
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 through 2024+ Chevrolet Silverado 2500 / 3500 or 2020 GMC Sierra 2500 / 3500

   2k

   posts

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   • Momentary rear wheel lockup recall
   • By ZitoMD, Monday at 01:01 AM
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

   4k

   posts

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   • Normal L8T noises?
   • By Aimatdeer, Wednesday at 09:08 PM