Engines & Drivetrain (V8, Duramax, TurboMax)

1,140 topics in this forum

1. 6.2l oil consumption/engine failure

   By Roy Juneau, June 29, 2023
   • 10 replies
   • 8.2k views
   • 
   • Srode1
   • March 3, 2025

2. 2022-2024 6.2 failures / 10 speed transmission problems

   By Srode1, March 3, 2025
   • 0 replies
   • 1.2k views
   • 
   • Srode1
   • March 3, 2025

3. CEL comes on and tranny throws P0717 code

   By 21silverado2.7, October 17, 2024
   • 2 replies
   • 3.7k views
   • 
   • 21silverado2.7
   • February 21, 2025

4. 2020 Rear Pad Replacement

   By Jasoned, September 8, 2021
   • 13 replies
   • 56.2k views
   • 
   • Steve Chevy
   • February 15, 2025

5. Will Flowmaster 717893 Exhaust fit?

   By NorthernX31, February 15, 2025
   • 0 replies
   • 580 views
   • 
   • NorthernX31
   • February 15, 2025

6. Oil Pressure Question

   By SilveradoVictory, February 9, 2025
   • 3 replies
   • 2.2k views
   • 
   • PunchT37
   • February 10, 2025

7. Nominal flow vs high flow injectors

   By 11bravoZ71, February 8, 2025
   • 2 replies
   • 5.3k views
   • 
   • 11bravoZ71
   • February 9, 2025

8. Rear lowering shackles 24 Sierra Denali

   By DwDrummer, December 12, 2023
   • 9 replies
   • 10.6k views
   • 
   • Big Mama
   • February 9, 2025

9. Front end grease fittings

   By WCJ, February 8, 2025
   • 2 replies
   • 1.1k views
   • 
   • WCJ
   • February 8, 2025

10. Truck has jolting/jerk motion in auto start/stop

    By Dry, February 6, 2025
    • 0 replies
    • 1.3k views
    • 
    • Dry
    • February 6, 2025

11. L82 trying to swap into 2015 Suburban had L83

    By Johnny McBride, February 5, 2025
    • 0 replies
    • 651 views
    • 
    • Johnny McBride
    • February 5, 2025

12. 2nd Battery for 3.0 Duramax?

    By Sammy35, February 4, 2025
    • 0 replies
    • 1k views
    • 
    • Sammy35
    • February 4, 2025

13. 10L80 10-speed Fluid Change & Check / Service Manual / Front Diff?

    By relevante, April 25, 2019
    • 8 replies
    • 58.9k views
    • 
    • DPont
    • February 1, 2025

14. 2019 L84 TSP Cam phaser lockout question

    By lonestar1983, January 5, 2025
    • 2 replies
    • 1.7k views
    • 
    • davidr83
    • January 28, 2025

15. What has been the average wait time for a valve body replacement?

    By Jordan75, January 24, 2025
    • 2 replies
    • 2.2k views
    • 
    • johnnyquick
    • January 27, 2025

16. LM2 3.0L oil by pass PSI?

    By JCunningham, May 20, 2023
    • 10 replies
    • 3.8k views
    • 
    • Ronjon
    • January 26, 2025

17. Does anyone regret getting the 5.3L over the 6.2? 1 2 3 4 16

    By BrooklynBravest, October 18, 2019
    • 238 replies
    • 160.1k views
    • 
    • redwngr
    • January 25, 2025

18. Does my truck have DFM?

    By Nestor Romero, March 9, 2022
    • 12 replies
    • 76.5k views
    • 
    • redwngr
    • January 25, 2025

19. 5.3 Dynamic fuel management 1 2 3

    By Kdn85, December 16, 2020
    • 36 replies
    • 55.7k views
    • 
    • silveradosid
    • January 24, 2025

20. Upgrading gear ratio from 3.42 to 4.10

    By Jfloyd1112, May 13, 2020   

    • custom trailboss
    • 5.3
    • (and 7 more)

      Tagged with:

      • custom trailboss
      • 5.3
      • V8
      • 6 speed
      • 2019
      • 3.42 gears
      • 4.10 gears
      • Silverado
      • Chevrolet
    • 9 replies
    • 22.6k views
    • 
    • Pal
    • January 18, 2025

21. 2024 6.2 with active exhaust is surprising! 1 2

    By oldmann, October 10, 2023
    • 23 replies
    • 48.2k views
    • 
    • DoubleDD
    • January 14, 2025

22. 2019 GMC Sierra AT4 6.2L Transmission Whine and Aggressive Downshift

    By SDAT4, January 10, 2025
    • 1 reply
    • 636 views
    • 
    • Bikerjon
    • January 11, 2025

23. 2021 5.3L Water pump pulley

    By Shelbybaddog, July 12, 2023
    • 5 replies
    • 6.9k views
    • 
    • SDAT4
    • January 10, 2025

24. Rattle on Cold Startup

    By PunchT37, January 6, 2025
    • 4 replies
    • 2.2k views
    • 
    • PunchT37
    • January 8, 2025

25. 2020 5.3 Burning 2 QTs per 4k ish miles, trade it in? 1 2 3

    By ero2, December 11, 2024
    • 37 replies
    • 4.6k views
    • 
    • KARNUT
    • December 30, 2024