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

1,040 topics in this forum

1. 2022 Sierra 1500 Limited 2.7L Turbo Exhaust Options

   By Roy White, November 14, 2023
   • 6 replies
   • 3.6k views
   • 
   • AlardPoirier
   • October 19

3. CEL comes on and tranny throws P0717 code

   By 21silverado2.7, October 17
   • 1 reply
   • 329 views
   • 
   • repairman54
   • October 18

4. Bearing issues for the 6.2

   By ScathaTheWorm, September 13
   • 14 replies
   • 1.4k views
   • 
   • Blauvelt Rashada
   • October 18

5. Scan tool options. 1 2

   By Tom Hoshock, January 29, 2023
   • 21 replies
   • 11.6k views
   • 
   • Josh caron
   • October 17

6. 3.0 LZO Passing Power?

   By tjonesdfw, October 16
   • 3 replies
   • 626 views
   • 
   • redwngr
   • October 16

7. Oil Consumption 1 2 3

   By Forest City Computers, September 25
   • 40 replies
   • 2.3k views
   • 
   • fondupot
   • October 16

8. 10 speed Transmission Hot - Please help 1 2 3 4 8

   By ArthurW, September 15, 2023
   • 115 replies
   • 19.6k views
   • 
   • ArthurW
   • October 13

9. Oil consumption 2019 Silverado 2.7 1 2 3 4 7

   By Dave-Minnesota, August 8, 2022
   • 90 replies
   • 28.8k views
   • 
   • Bikerjon
   • October 8

10. 10-speed 10L80 transmission hard line leaking

    By EXSlider400, October 6
    • 1 reply
    • 381 views
    • 
    • EXSlider400
    • October 6

11. Finally Lifter failure at 98k miles

    By 11bravoZ71, October 1
    • 3 replies
    • 806 views
    • 
    • 11bravoZ71
    • October 2

12. Hi Everyone, Brand New 2024. What to expect?

    By JohnQPublic, June 28
    • 10 replies
    • 1.6k views
    • 
    • KinkyDuramax
    • October 1

13. Anyone using ACDelco additives to avoid DFM issues?

    By Jimbeau, September 10
    • 6 replies
    • 980 views
    • 
    • Jimbeau
    • September 29

14. Brake fluid warning light recall

    By TrueBlue, September 24
    • 2 replies
    • 709 views
    • 
    • TrueBlue
    • September 28

15. 2010 to a 2024 model year towing question ?

    By Suregrip391, September 20
    • 7 replies
    • 499 views
    • 
    • garagerog
    • September 24

16. 2019 Silverado 2500 High Country Tranny Issue

    By 2019 Red, September 18
    • 4 replies
    • 491 views
    • 
    • 2019 Red
    • September 24

17. 5.3 squashed y-pipe 1 2

    By code-man26, July 24, 2019   

    • exhaust
    • y-pipe
    • (and 1 more)

      Tagged with:

      • exhaust
      • y-pipe
      • catalytic
    • 18 replies
    • 33.2k views
    • 
    • redwngr
    • September 23

18. Oil filter confusion 1 2

    By Jimbeau, September 20
    • 18 replies
    • 1.4k views
    • 
    • Jimbeau
    • September 23

19. DEF Limp Mode Message

    By Jaketab, August 4, 2022
    • 7 replies
    • 16k views
    • 
    • DDION
    • September 19

20. 1st oil change question.

    By Jimbeau, September 16
    • 11 replies
    • 615 views
    • 
    • Black02Silverado
    • September 16

21. 2024 6.2 engines 1 2

    By Snowman4, August 9
    • 16 replies
    • 2.6k views
    • 
    • PunchT37
    • September 16

22. Transmission Oil Cooler Lines - Need Help!

    By s10dragracer888, September 15   

    • 6l80
    • 6l90
    • (and 6 more)

      Tagged with:

      • 6l80
      • 6l90
      • 4.3 v6
      • 6 speed
      • 4.3l
      • 4.3
      • 2020
      • Silverado
    • 0 replies
    • 493 views
    • 
    • s10dragracer888
    • September 15

23. 2020 3.0 10 Speed Noise/Issues

    By acmech87, May 1
    • 8 replies
    • 2.3k views
    • 
    • joeyjojo488
    • September 13

24. 3.0 Duramax Shudder? 1 2

    By thegrizz, August 20, 2020
    • 16 replies
    • 12.2k views
    • 
    • Cody209
    • September 13

25. Another 6.2L engine failure! 1 2

    By Stevens54, April 29
    • 17 replies
    • 5.9k views
    • 
    • ScathaTheWorm
    • September 12

26. GM's 6th Gen V8 ! What would you like to see? 1 2 3

    By Cojam1, May 26
    • 34 replies
    • 6k views
    • 
    • ScathaTheWorm
    • September 12