2020+ (Non Powertrain) | Chevy and GMC Duramax Diesel Forum

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PEAK PLATINUM DEF

2 3

49

4K

2020 Steering Problem

2 3 4

60

10K

Click felt in steering wheel

2

31

3K

2021+ Ordering to Delivery Timeline

72 73 74

1K

75K

by Lynch-Mob-24-

2020 L5P Picture Thread

19 20 21

403

114K

2021 Duramax 3500 SRW High Country Package TPI Sensors

5

226

2020 2500HD AT4 towing lights 4 flat

4

183

by billcollector

AT4 "High Clearance Steps" option - what part number is this ?

2

28

5K

S&B Filters Replacement Fuel Tank

2

22

1K

2021 AT4 Snowplow/Camper package reversion to enhance ride as daily driver.

6

332

2

23

2K

Interior up grade modification Cargo Shelf DYI 7 screws

0

204

4 seater utv in the bed rack?

5

251

by TwinTurboLML

Thoughts on the factory frame coating on 2020+ trucks?

2

23

1K

by 2013

2

219

2020 GMC Sierra AT4 HD 35x12.50r20 (stock suspension)

2

36

17K

2020 random horn and flashing light

9

2K

volume on infotainment stuck

7

412

Steering upgrade components.

13

1K

by usmarine2001

Leveling and larger tires on the new 2020-Show them off!

10 11 12

235

82K

Anyone smoke out the tail lights and black out all the emblems?

3

255

2020 Silverado "Tailgate Open" Warning Message

11

3K

Cognito Comfort ride torsion bars.

2

39

3K

Fifthwheel/Gooseneck Prep

2

39

2K

Infotainment System

9

853

by cfell

2021 steering issue

10

983

Timbrens or air bags

16

1K

by Desertwarrior

An interesting thing happened with my navigation system OnStar was no help

4

481

by cfell

2022 HD Changes

2

31

3K

by long-time-dmax

Adding Factory Equipment Question

10

736

6

711

Traded in a 2500 for a New 2021 3500 Denali / Key Code??

2

450

2

22

928

Did the dealer just put DEF in my fuel tank?

11

698

2021 GMC Sierra 2500 AT4 - BAK Revolver X4 - Under Tonneau Chest Box

6

1K