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

1,039 topics in this forum

1. Off-road experiences with single speed transfer case 1 2

   By Camo55, January 9
   • 18 replies
   • 5.1k views
   • 
   • Camo55
   • January 30

3. Composite rear springs

   By Mshawn, January 16
   • 2 replies
   • 769 views
   • 
   • ExYukon
   • January 27

4. 2.7 silverado grinding noise

   By 2.7power, January 25
   • 7 replies
   • 928 views
   • 
   • newdude
   • January 26

5. LM2 Duramax tuning is here! (EPA compliant)

   By Ronjon, March 8, 2023   

   • tune
   • hptuners
   • (and 7 more)

     Tagged with:

     • tune
     • hptuners
     • Mvpi3
     • 3.0 duramax
     • hp
     • torque
     • tcm
     • ecm
     • Runvse
   • 4 replies
   • 5.9k views
   • 
   • Ronjon
   • January 26

6. 10 spd trans pan removal

   By kmeleon, December 31, 2023
   • 6 replies
   • 1.4k views
   • 
   • Naughty Donkey Performance
   • January 21

7. Pulling DFM fuses 1 2 3 4 5

   By 03blackz71, December 19, 2021
   • 67 replies
   • 24.9k views
   • 
   • Naughty Donkey Performance
   • January 18

8. 3.0 Liter Duramax oil temps

   By Kkajvr6, April 5, 2020
   • 11 replies
   • 15.6k views
   • 
   • Ivan17
   • January 16

9. Transmission issues 2022 2.7

   By steelerdude1, December 7, 2023
   • 8 replies
   • 2.5k views
   • 
   • fondupot
   • January 9

10. Transmission shudders.

    By W4LWQ, December 14, 2023
    • 11 replies
    • 1.8k views
    • 
    • ArrowsmithPML
    • January 9

11. 2021 Silverado single exhaust to dual exhaust conversion 1 2

    By Steven Vona, April 2, 2022
    • 26 replies
    • 13.8k views
    • 
    • John Planas
    • January 7

12. Crappy "winter" fuel

    By TrueBlue, December 15, 2023
    • 6 replies
    • 2.4k views
    • 
    • J2Jones
    • January 3

13. 3.0 Duramax exhaust smell in cab 1 2 3 4 5

    By IcemanNY, January 5, 2021
    • 66 replies
    • 51.5k views
    • 
    • 23DmaxYukon
    • December 29, 2023

14. 2020 AT4 Transmission oil cooler line

    By Kyle's AT4, December 26, 2023
    • 7 replies
    • 1.5k views
    • 
    • Kyle's AT4
    • December 29, 2023

15. 3.0 Duramax Diesel oil and oil filter?

    By TheGreatOne, November 28, 2023
    • 10 replies
    • 5k views
    • 
    • Grover67
    • December 29, 2023

16. Trans thermostat included in Powertrain warranty?

    By trp34g, December 12, 2023
    • 5 replies
    • 1.4k views
    • 
    • trp34g
    • December 14, 2023

17. 2022 3.0 Duramax Def Range low but Gauge reads full???

    By Chris Gardner, July 1, 2023
    • 13 replies
    • 11.3k views
    • 
    • Loadmaster
    • December 14, 2023

18. 2020 1500 5.3 8-speed trans temp

    By trp34g, December 11, 2023
    • 5 replies
    • 881 views
    • 
    • Bikerjon
    • December 14, 2023

19. 2023 LZ0 3.0L Duramax Diesel DEF Level Issues

    By Loadmaster, December 14, 2023   

    • diesel
    • LZ0
    • (and 7 more)

      Tagged with:

      • diesel
      • LZ0
      • Duramax 3.0L
      • DEF
      • level
      • gauge
      • 22-NA-150
      • duramax
      • GMC
    • 0 replies
    • 3.2k views
    • 
    • Loadmaster
    • December 14, 2023

20. 2020 LM2 3.0 P3196 Code

    By Jay Palacios, December 12, 2023
    • 1 reply
    • 1k views
    • 
    • Jay P
    • December 12, 2023

21. 2022 Silverado 1500 LTD with 8 speed - Does anyone know what is the opening temp for the TBV

    By Carlos Eduardo Silva, November 27, 2023
    • 4 replies
    • 1.3k views
    • 
    • Gangly
    • December 11, 2023

22. 2023 Silverado z71 what skid plates?

    By Mshawn, November 30, 2023
    • 7 replies
    • 2.6k views
    • 
    • Mshawn
    • December 5, 2023

23. 10spd 10L80/10L90 Transmission flush DIY

    By zhmorrow, September 4, 2021
    • 11 replies
    • 36k views
    • 
    • JuanFelixCastro
    • November 30, 2023

24. When did you change the transmission fluid in your 10L80? 1 2

    By jlong1984, September 15, 2023
    • 18 replies
    • 11.6k views
    • 
    • Black02Silverado
    • November 29, 2023

25. 2020 Silverado 2500 HD 6.6 gas w/6 speed transmission problems

    By Stoney371, June 3, 2020
    • 13 replies
    • 48k views
    • 
    • Lana
    • November 28, 2023

26. 2023 Silverado 6.2L 0-60

    By Rhino Linings, May 16, 2023
    • 7 replies
    • 3k views
    • 
    • SILVER SLED
    • November 27, 2023