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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

Subforums

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).

1,838

posts
- Noisy steering column
- By DrT
- 3 hours ago
2020 Silverado HD & Sierra HD Mods

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

2,524

posts
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

839

posts
- 2500 mods
- By Rguerra
- 12 hours ago
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

547

posts

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556 topics in this forum

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2020+ T1 Chevrolet/GMC HD Quick Reference Guide 1 2
By newdude, September 7, 2019
- lug pattern
- transmission
- (and 9 more)
  Tagged with:
  
  lug pattern
  
  transmission
  
  atf
  
  torque
  
  bulbs
  
  oil
  
  Fluid capacity
  
  fluids
  
  lug
  
  T1hd
  
  2020hd
- 16 replies
- 6,768 views
- redwngr
- May 14
Lack of dealer inventory of 2500 Silverados

By Rob38jr, Sunday at 02:10 AM
- 13 replies
- 471 views
- flyingfool
- 1 hour ago
2020 HD picture Thread 1 2 3 4 28
By CRApex, August 29, 2019
- Official
- 2020 hd
- (and 1 more)
  Tagged with:
  
  Official
  
  2020 hd
  
  picture
- 412 replies
- 64,441 views
- Daryl Z71
- 3 hours ago
Trailer TPMS Sensor Size (Too Small)

By Tomato, February 14
- 10 replies
- 1,120 views
- ShogunKC
- 8 hours ago
Ignition Key wont come out at times.

By 513Brewer, 9 hours ago
- 4 replies
- 99 views
- newdude
- 8 hours ago
2020 2500HD Roof Light Provisions

By onetactical, 14 hours ago
- 0 replies
- 53 views
- onetactical
- 14 hours ago
Rear Window Leak on 2020 3500HD Denali 1 2 3

By Pate Services, July 23
- 35 replies
- 1,888 views
- Pate Services
- Yesterday at 12:28 AM
Snow Plow/Camper Package Lighting

By Aopsahl7, Monday at 09:38 PM
- 0 replies
- 96 views
- Aopsahl7
- Monday at 09:38 PM
2020 HD - What are the visual differences between 2500 and 3500

By odenwell, Monday at 03:46 PM
- 3 replies
- 221 views
- MTU Alum
- Monday at 09:14 PM
Tire Valve Stem Extension Adaptors for 2020 3500HD Sierra Dually

By Omega, September 21
- 1 reply
- 133 views
- KCJackson1
- Monday at 07:18 PM
Dual alternator conversion?

By FirstAscent, September 23
- 8 replies
- 314 views
- 48548
- Sunday at 06:38 PM
ERROR | Brake Gain Not Recalled 1 2

By Scott Hatten, July 22
- 16 replies
- 938 views
- greatmizzou
- Saturday at 04:07 PM
'Invisible' trailer camera calibration. 1 2

By Wbrisett, July 6
- 19 replies
- 890 views
- Shawn T
- Friday at 07:17 PM
Tire Pressure

By Skeeter29, September 19
- 5 replies
- 392 views
- 6.6HD
- Thursday at 07:00 PM
American Axle Fire

By TrailBoss1, September 24
- 8 replies
- 407 views
- 6.6HD
- Thursday at 06:59 PM
New Product Releases

By CT Chevy Connoisseur, September 17
- 3 replies
- 463 views
- Stand By
- September 24
Actual Payload

By brclark82, September 22
- 10 replies
- 415 views
- Stand By
- September 24
Wireless Apple and Android car play retro.

By Londart2020, September 23
- 1 reply
- 214 views
- Stand By
- September 24
Heavy Duty front spring package???

By Norman Neufeld, December 20, 2019
- 14 replies
- 2,549 views
- west_dt
- September 24
2020 3500HD with heavy duty front spring package? 1 2 3

By MrChips, October 19, 2019
- 37 replies
- 5,097 views
- west_dt
- September 23
Auxiliary Accessory Trailer Camera 1 2 3 4 6

By Scott Perkins, January 12
- 75 replies
- 14,016 views
- Duramaxsky
- September 23
Shadow Gray Metallic

By Rayne, September 21
- 5 replies
- 324 views
- Rayne
- September 23
How much should i expect off MSRP on silverado 2500 custom?

By ArkSierra, August 7
- 9 replies
- 925 views
- Dunn
- September 22
Using GM TPMS in 14 ply trailer tires

By Big Red20, September 21
- 2 replies
- 170 views
- Big Red20
- September 21
2021 2500 HD PRICING 1 2

By spm1us, September 14
- 17 replies
- 1,297 views
- redwngr
- September 21

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