1999-2013 Silverado 1500 & Sierra 1500

59,456 topics in this forum

1. 6.2L (L9H) Owners - Get all your questions answered here 1 2 3 4 69

   By RyanbabZ71, November 30, 2011
   • 1k replies
   • 471.7k views
   • 
   • CamGTP
   • Friday at 03:51 AM

2. ATTENTION anyone with oil pressure issues 1 2 3 4 10

   By curtmerci, February 20, 2015   

   • oil pressure
   • 140 replies
   • 460.8k views
   • 
   • davester
   • June 7

3. Various Helpful Gm Links 1 2

   By SLESierra, January 27, 2008
   • 25 replies
   • 95.6k views
   • 
   • davester
   • January 24, 2025

4. Build Sheets requests. [email protected] no longer provide

   By txab, January 31, 2019
   • 9 replies
   • 33.9k views
   • 
   • swathdiver
   • December 16, 2024

5. Is Your Gmt-900 Truck Or Suv Using Oil 1 2 3 4 56

   By RyanbabZ71, February 19, 2011
   • 825 replies
   • 327.3k views
   • 
   • MaverickZ71
   • January 24, 2024

6. Gmt900 Mod Link Thread 1 2 3 4 7

   By splat10, July 20, 2010
   • 97 replies
   • 275.2k views
   • 
   • oleSilverado
   • February 9, 2023

7. Forum/truck Abbreviations And Slang 1 2 3 4 5

   By todoubled05, February 10, 2008
   • 70 replies
   • 139.4k views
   • 
   • gemarsh
   • December 20, 2022

8. GMT800 Talk, chime in 1 2 3 4 21

   By absinthminded, November 5, 2012   

   • pros
   • cons
   • (and 2 more)

     Tagged with:

     • pros
     • cons
     • keep it fix it
     • sell it
   • 311 replies
   • 175.5k views
   • 
   • SC Tiger
   • August 11, 2022

9. Truck of the month

   By SarahsGMC, August 11, 2018
   • 0 replies
   • 14.5k views
   • 
   • SarahsGMC
   • August 11, 2018

10. Vehicle Modification Laws by State - www.liftlaws.com

    By nate1dawgg, March 10, 2012
    • 7 replies
    • 38k views
    • 
    • greg74
    • April 16, 2014

11. Decoding Vin Information

    By RyanbabZ71, April 17, 2010
    • 0 replies
    • 102.4k views
    • 
    • RyanbabZ71
    • April 17, 2010

12. Info on AFM/DFM delete options on 2013 GMC Sierra 1500 w/ 5.3 engine?

    By glenn27, May 8
    • 5 replies
    • 400 views
    • 
    • glenn27
    • 1 hour ago

13. Hot air constantly blowing through floor vents, drivers side only?

    By baglie1, yesterday at 12:38 AM
    • 5 replies
    • 157 views
    • 
    • davester
    • 21 hours ago

14. Cab retaining water, common problem areas?

    By baglie1, June 13
    • 5 replies
    • 319 views
    • 
    • baglie1
    • Yesterday at 12:42 AM

15. 2012 Sierra 1500 AC issues

    By Fishbones, Tuesday at 05:28 PM
    • 1 reply
    • 131 views
    • 
    • newdude
    • Tuesday at 07:54 PM

16. HighMileage oils or stay with Dexos 1 ?

    By Jworks, July 7
    • 10 replies
    • 441 views
    • 
    • Grumpy Bear
    • July 9

17. Frame rusted out 1 2 3 4 5

    By deceiver, August 11, 2014   

    • frame
    • rust
    • (and 1 more)

      Tagged with:

      • frame
      • rust
      • rusted frame
    • 66 replies
    • 207.1k views
    • 
    • Charly
    • July 4

18. 2007 Sierra OBDC II codes unknown

    By thx1138v2, June 29
    • 2 replies
    • 154 views
    • 
    • davester
    • June 30

19. frustrating P0446 code

    By Old Bay, June 4   

    • evap
    • p0446
    • 3 replies
    • 331 views
    • 
    • Old Bay
    • June 26

20. 2007 Silverado classic Cooling fan running 1 2

    By Dennis Ellert, February 6, 2020
    • 19 replies
    • 17.8k views
    • 
    • Mistycool
    • June 21

21. AWD conversion to Z71

    By teamjnz, June 15
    • 5 replies
    • 321 views
    • 
    • asilverblazer
    • June 16

22. 2001 chevy silverado security issue.

    By Tiffanyrose, June 14
    • 6 replies
    • 295 views
    • 
    • Tiffanyrose
    • June 16

23. Adapting seats from 2000 Silv 2500 ext. body to install in 2014 Silv 1500 crew

    By joe duclos, June 8
    • 7 replies
    • 833 views
    • 
    • asilverblazer
    • June 10

24. I need some help with GOOD quality replacement headlight lenses

    By Number21, January 6, 2021
    • 9 replies
    • 13.2k views
    • 
    • lryfer
    • June 6

25. Yellowed Over Headlights - Replacement options

    By lryfer, June 5
    • 3 replies
    • 243 views
    • 
    • lryfer
    • June 6