2020-2024 Silverado HD & Sierra HD

1,577 topics in this forum

1. 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
   • 26 replies
   • 44.7k views
   • 
   • BCGM
   • May 29

3. 2024 2500HD AT4 engine randomly shutting down

   By 2500HDAT4, 11 minutes ago
   • 0 replies
   • 18 views
   • 
   • 2500HDAT4
   • 11 minutes ago

4. tpms sensors when swapping wheels 1 2

   By Sonders, January 26
   • 23 replies
   • 1.8k views
   • 
   • Sonders
   • 12 hours ago

5. 2024 Chevy 2500HD Folding Mirror Rattles 1 2

   By davidm767, September 25, 2023
   • 16 replies
   • 6.3k views
   • 
   • Gferrero14
   • Friday at 10:36 PM

6. 2023 Allison transmission valve assembly 1 2

   By Lars Ohrstrom, March 25
   • 22 replies
   • 4.5k views
   • 
   • Ben Watercutter
   • Friday at 08:12 AM

7. Ignition Key wont come out at times.

   By 513Brewer, September 29, 2020
   • 14 replies
   • 20.2k views
   • 
   • Josh D
   • Wednesday at 08:19 PM

8. 2025 HD production in Flint

   By 64BAwagon, August 22
   • 9 replies
   • 704 views
   • 
   • rjgvt
   • Wednesday at 07:23 PM

9. 2500 HD ZR2 and AT4X owners, which way is your spare tire facing?

   By Red Hawk, August 21
   • 5 replies
   • 453 views
   • 
   • Red Hawk
   • Wednesday at 02:05 PM

10. L8T 6.6 Gas Oil Consumption At 30K 21' 2500HD

    By Antny, Wednesday at 12:18 AM
    • 1 reply
    • 257 views
    • 
    • rdonarski
    • Wednesday at 11:18 AM

11. opinions on this car fax report please

    By 94yj, August 30
    • 9 replies
    • 387 views
    • 
    • Grumpy Bear
    • Tuesday at 02:09 PM

12. Did the HD brake controller recall fix your brakes?

    By nitro882, August 12
    • 7 replies
    • 684 views
    • 
    • BuckWallace
    • Tuesday at 03:41 AM

13. Upfitter pic

    By rjgvt, August 31
    • 4 replies
    • 314 views
    • 
    • rjgvt
    • Monday at 01:20 PM

14. 3.73 vs 4.10 gear ratio which would get better fuel mileage?

    By 94yj, August 30
    • 5 replies
    • 316 views
    • 
    • garagerog
    • September 1

15. Seat Covers 1 2

    By rdonarski, June 3
    • 17 replies
    • 1.8k views
    • 
    • RJL1983
    • August 31

16. am i allowed to post a car fax report on here? on a truck i want to buy from a dealer

    By 94yj, August 30
    • 8 replies
    • 308 views
    • 
    • Dunn
    • August 31

17. ERROR | Brake Gain Not Recalled 1 2

    By Scott Hatten, July 22, 2020
    • 24 replies
    • 20.3k views
    • 
    • redwngr
    • August 30

18. Rear Windows with privacy glass UV rating

    By Ringo2202, August 30
    • 1 reply
    • 177 views
    • 
    • redwngr
    • August 30

19. Questions on using a Sierra/Silverado to haul a slide in camper

    By RKCRLR, August 28
    • 12 replies
    • 518 views
    • 
    • Another JR
    • August 30

20. Flexgate

    By dbdonavan, August 24
    • 7 replies
    • 405 views
    • 
    • Dunn
    • August 30

21. 6.6 Gas MPG 1 2 3 4 9

    By brendon444, September 8, 2019
    • 124 replies
    • 153.9k views
    • 
    • redwngr
    • August 24

22. 2020 to 2024 Sierra HD front end conversion!

    By Dbeto54, April 18
    • 13 replies
    • 3.2k views
    • 
    • Elkkiller
    • August 24

23. BCGM Truck Purchased 1 2 3 4 7

    By BCGM, April 30
    • 93 replies
    • 4.9k views
    • 
    • Dunn
    • August 22

24. BRAKES WENT BAD @ 9800 MILES AND ARE GOING BAD , again @20k miles

    By RGA, August 15
    • 11 replies
    • 727 views
    • 
    • bruceb58
    • August 21

25. 2024 AT4 Tailgate Removal + 360 Camera (tldr it works post removal)

    By OkieDavid, June 27, 2023
    • 11 replies
    • 8.8k views
    • 
    • buddy902
    • August 18

26. 2500 HD EGR Door Molding

    By AndrewF, August 18
    • 1 reply
    • 259 views
    • 
    • AndrewF
    • August 18