2019-2025 Silverado & Sierra Engine & Transmission (L3B/L82/L84/L87/LM2/LZ0)

967 topics in this forum

1. Active Fuel Management (AFM) and Dynamic Fuel Management (DFM) will not be available on certain 2021 model year Silverado 1500/Sierra 1500 pickups 1 2 3 4 7

   By MS3DALE, March 15, 2021
   • 92 replies
   • 59.8k views
   • 
   • SPASierra
   • May 3, 2023

3. .

   By Firehawk99, March 29, 2021
   • 0 replies
   • 355 views
   • 
   • Firehawk99
   • March 29, 2021

4. '19 5.3l exhaust pipe size, muffler suggestions? 1 2

   By Donnyb313, April 10, 2019
   • 19 replies
   • 39.7k views
   • 
   • crazyjoefound
   • May 4, 2020

5. '21 Silverado 8speed Cold Shift issues

   By rgholmes08, March 29, 2021
   • 11 replies
   • 9.5k views
   • 
   • MPops
   • April 5

6. '21 TrailBoss 10 spd Transmission Clunk

   By Bioboi, January 9, 2021
   • 0 replies
   • 1.9k views
   • 
   • Bioboi
   • January 9, 2021

7. “Flipping pill” 10 speed and 170 t stat

   By lpg, November 2, 2021
   • 11 replies
   • 1.8k views
   • 
   • lpg
   • November 4, 2021

8. *Oil Leak* 1 2

   By NotoriousGT350, January 29, 2021
   • 17 replies
   • 8.6k views
   • 
   • NotoriousGT350
   • March 20, 2022

9. *Transmission Shudder fixed*

   By NotoriousGT350, October 2, 2023
   • 3 replies
   • 1.9k views
   • 
   • ember1205
   • October 25, 2023

10. + / - on gear shifter 1 2

    By Richard A, January 22, 2020
    • 15 replies
    • 6.5k views
    • 
    • Big Adam
    • March 4, 2020

11. $20 Exhaust Fix 2019 5.3 z71 1 2 3 4 14

    By ShamrockShooter, June 17, 2019
    • 199 replies
    • 94.2k views
    • 
    • Seb
    • June 3, 2021

12. 0W-20 Diesel Oil Options

    By Ronjon, February 6, 2023   

    • duramax
    • 3.0l
    • (and 8 more)

      Tagged with:

      • duramax
      • 3.0l
      • 0w-20
      • diesel
      • Dexosd
      • amsoil
      • Valvoline
      • Mobile
      • acdelco
      • Castrol
    • 7 replies
    • 5.7k views
    • 
    • Ronjon
    • February 6, 2023

13. 0w40 oil in 6.2 1 2

    By Big_Kahuna, September 9, 2023
    • 24 replies
    • 3.8k views
    • 
    • diyer2
    • February 3

14. 1/4 Wave Resonator- Drone Fix- 2020 6.2L Muffler Delete

    By Terry Wood, November 3, 2020
    • 4 replies
    • 2.5k views
    • 
    • Terry Wood
    • November 4, 2020

15. 10 spd trans in 2021-2023 3500 SRW

    By Jack Horn, August 10, 2023
    • 3 replies
    • 621 views
    • 
    • Jack Horn
    • August 11, 2023

16. 10 spd trans pan removal

    By kmeleon, December 31, 2023
    • 6 replies
    • 1.1k views
    • 
    • Naughty Donkey Performance
    • January 21

17. 10 Speed HP rating

    By contenderv07, June 30, 2021
    • 4 replies
    • 3.9k views
    • 
    • Transient
    • July 10, 2021

18. 10 speed seems to have a lot of torque management

    By SILVER SLED, October 10, 2020
    • 5 replies
    • 1.7k views
    • 
    • SILVER SLED
    • October 10, 2020

19. 10 speed service schedule?

    By Fuelie, January 10, 2021
    • 1 reply
    • 5k views
    • 
    • Rodek
    • January 10, 2021

20. 10 speed service?

    By blazerk5drew, July 8, 2021
    • 2 replies
    • 1.2k views
    • 
    • Grumpy Bear
    • July 8, 2021

21. 10 speed transmission - cover pan bolt and filter bolt

    By Philwalbridge, April 15
    • 3 replies
    • 241 views
    • 
    • newdude
    • April 15

22. 10 speed Transmission Hot - Please help 1 2 3 4 6

    By ArthurW, September 15, 2023
    • 80 replies
    • 8.2k views
    • 
    • ArthurW
    • Tuesday at 02:13 AM

23. 10 Speed tuning

    By Billet Bowtie, May 15, 2022
    • 7 replies
    • 2.3k views
    • 
    • SILVER SLED
    • November 19, 2023

24. 10 speed vs 8 speed 6.2 L

    By WHITESSTOWPIG, December 19, 2018
    • 11 replies
    • 31.2k views
    • 
    • Billet Bowtie
    • September 21, 2019

25. 10L80 10-speed Fluid Change & Check / Service Manual / Front Diff?

    By relevante, April 25, 2019
    • 7 replies
    • 38.3k views
    • 
    • Black02Silverado
    • December 1, 2020

26. 10L80 10-Speed Transmission Torque Limit?

    By INTJ, April 18, 2020
    • 10 replies
    • 11.7k views
    • 
    • BlancoSilverado
    • May 1, 2020