Gen III & Gen IV V8 Engines (LS-Based)

8,158 topics in this forum

1. This may sound stupid

   By Nicholas Roads, February 1, 2024
   • 2 replies
   • 879 views
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   • swathdiver
   • February 6, 2024

2. Fuel Issues?

   By Syrius Ray, October 28, 2023
   • 4 replies
   • 1.6k views
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   • Niklasbraun
   • February 6, 2024

3. Serious oil leak 07 5.3

   By MrsAlderman22, November 20, 2023
   • 2 replies
   • 2k views
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   • Niklasbraun
   • February 6, 2024

4. Turbo interchange

   By That_2010sierra, January 20, 2024
   • 3 replies
   • 1.1k views
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   • Niklasbraun
   • February 6, 2024

5. 2011 Silverado drivers side lower taillight not working

   By ChevyZ71LT11, February 5, 2024
   • 1 reply
   • 1.4k views
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   • Niklasbraun
   • February 6, 2024

6. Help 05 silverado 4.3l v6 running issues

   By Hans Rasmussen, November 16, 2023
   • 1 reply
   • 1.6k views
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   • jsmith250x
   • January 31, 2024

7. Climate controls

   By 5fty7vn, January 23, 2024
   • 0 replies
   • 781 views
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   • 5fty7vn
   • January 23, 2024

8. P0300 - Cyl 4 - When under higher load

   By rvsmith70, January 18, 2024
   • 3 replies
   • 1k views
   • 
   • asilverblazer
   • January 22, 2024

9. Horrible screeching sound when in reverse

   By Jairo De Santos, January 21, 2024
   • 1 reply
   • 923 views
   • 
   • asilverblazer
   • January 22, 2024

10. 2001 gmc sierra 2wd transmission

    By Sierra_longbed, January 18, 2024
    • 0 replies
    • 958 views
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    • Sierra_longbed
    • January 18, 2024

11. MAF sensor issue after head gasket replacement

    By 10 under, January 13, 2024
    • 0 replies
    • 853 views
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    • 10 under
    • January 13, 2024

12. Transmission

    By Billy Folds, December 22, 2022
    • 2 replies
    • 1.9k views
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    • Lee McCotter
    • December 29, 2023

13. Blower motor resistor wiring

    By IH784, December 27, 2023
    • 0 replies
    • 1.3k views
    • 
    • IH784
    • December 27, 2023

14. 5.3 ticking noise

    By Alonzo Nunez, May 28, 2020
    • 10 replies
    • 8.2k views
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    • Almutike
    • December 26, 2023

15. Cb axle half flange bolt

    By doeboy1688, December 15, 2023
    • 1 reply
    • 2.6k views
    • 
    • CamGTP
    • December 15, 2023

16. 08 avalanche 5.3 with older stand alone harness

    By Bigdawg4209, December 7, 2023
    • 0 replies
    • 818 views
    • 
    • Bigdawg4209
    • December 7, 2023

17. canned tune E85 2013 Silverado with aftermarket intake, stereo,

    By wilfredo, November 21, 2023
    • 4 replies
    • 1.8k views
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    • wilfredo
    • December 6, 2023

18. Additives oils and gear lube?

    By Rough Patch, December 5, 2023
    • 1 reply
    • 990 views
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    • Grumpy Bear
    • December 5, 2023

19. 2008 5.3 175k - forward in reverse and neutral after repositioning in yard

    By Extinct, December 1, 2023
    • 0 replies
    • 877 views
    • 
    • Extinct
    • December 1, 2023

20. Coil pack bracket

    By BigballR, November 29, 2023
    • 2 replies
    • 1k views
    • 
    • BigballR
    • November 30, 2023

21. 4wd problem

    By clwilliams, November 24, 2023
    • 2 replies
    • 1.2k views
    • 
    • clwilliams
    • November 26, 2023

22. 2013 Sierra SLE engine quirk

    By BarryKH, September 13, 2023
    • 3 replies
    • 1.7k views
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    • BarryKH
    • November 19, 2023

23. Remove coil pack bracket

    By BigballR, November 16, 2023
    • 0 replies
    • 890 views
    • 
    • BigballR
    • November 16, 2023

24. Misfiring 1 and 7

    By Dmitriy Ch., November 12, 2023
    • 1 reply
    • 891 views
    • 
    • newdude
    • November 13, 2023

25. 2013 GMC Sierra 5.3 Oil Cooler Block Off Plate Plug

    By CBO, March 17, 2021
    • 3 replies
    • 7.2k views
    • 
    • Candace
    • November 7, 2023