2000-2014 Silverado HD & Sierra HD

14,430 topics in this forum

1. Shift Kit for a 4L80E

   By jimc, June 17, 2005
   • 8 replies
   • 14.9k views
   • 
   • Badass69
   • January 14, 2013

2. The drive today...

   By sdeeter19555, June 27, 2017
   • 8 replies
   • 976 views
   • 
   • NEFisher11
   • June 28, 2017

3. Truck Won't Start. Stuck at work. Need help.

   By Mongo_04, April 5, 2016
   • 8 replies
   • 1.2k views
   • 
   • sahls01gmc
   • April 6, 2016

4. 2012 2500 HD Duramx level?

   By gator63, May 6, 2014
   • 8 replies
   • 1.6k views
   • 
   • AgDoctor
   • May 11, 2014

5. New guy from alaska doing an 6.0 swap

   By 907Ryan, September 15, 2021
   • 8 replies
   • 907 views
   • 
   • rosidian
   • September 22, 2021

6. 2013 GMC Sierra Hood Piece

   By David03hd, September 25, 2013
   • 8 replies
   • 2.3k views
   • 
   • rotti
   • October 3, 2013

7. Multiple Misfire?

   By Bunky, August 11, 2023
   • 8 replies
   • 1.9k views
   • 
   • mattchrz
   • November 7, 2023

8. 05 2500HD 6.0 WIRING DIAGRAM

   By stressed2500hd, April 12, 2020
   • 8 replies
   • 43.3k views
   • 
   • davester
   • October 16, 2023

9. PO420 small EVAP leak

   By sdeeter19555, October 25, 2017
   • 8 replies
   • 10.8k views
   • 
   • sdeeter19555
   • December 17, 2017

10. Grinding while shifting Transfer case from 2HI to 4HI

    By BC2500HD, December 19, 2015
    • 8 replies
    • 15k views
    • 
    • BC2500HD
    • December 29, 2015

11. Thunderbolt Cat

    By Raptordude, September 10, 2017
    • 8 replies
    • 1.1k views
    • 
    • Raptordude
    • September 12, 2017

12. cb radio/antenna 2013 gmc

    By rugermk2, November 2, 2013
    • 8 replies
    • 6.5k views
    • 
    • LaserBlueZ71
    • November 16, 2013

13. Block heater

    By Lpfm1990, February 17, 2015
    • 8 replies
    • 5.4k views
    • 
    • Colossus
    • February 19, 2015

14. 6.0 Loss of power

    By Matthew Ernst, March 16, 2020
    • 8 replies
    • 23.5k views
    • 
    • davester
    • March 19, 2020

15. 2007 steering column clunk...?

    By buickfunnycar, March 10, 2016
    • 8 replies
    • 1.7k views
    • 
    • sdeeter19555
    • March 12, 2016

16. Pedal to the floor

    By yukon25008.1, October 7, 2012
    • 8 replies
    • 2.7k views
    • 
    • yukon25008.1
    • October 12, 2012

17. 11.5 Inch rear end seal replacment went bad. Need Advice

    By Fllamb, February 27, 2017
    • 8 replies
    • 8.6k views
    • 
    • vucelick
    • November 15, 2019

18. 6.0L 1500 RPM Hesitation

    By zealer, April 20, 2014
    • 8 replies
    • 30.1k views
    • 
    • Prokopchuk_9
    • May 15, 2014

19. interesting new problem

    By servantsalesmen, December 14, 2014
    • 8 replies
    • 1.5k views
    • 
    • servantsalesmen
    • December 18, 2014

20. Normal operating temp

    By Frankp877, January 28, 2016
    • 8 replies
    • 37.5k views
    • 
    • Chevor
    • February 2, 2016

21. Allison Issue

    By Shawn T, September 11, 2012
    • 8 replies
    • 2k views
    • 
    • Prokopchuk_9
    • September 17, 2012

22. oil change

    By crazydog, June 10, 2013
    • 7 replies
    • 2.2k views
    • 
    • Black02Silverado
    • June 11, 2013

23. P0300 Missfire at my whits end

    By Griffdawg6969, March 7, 2025
    • 7 replies
    • 1.4k views
    • 
    • CamGTP
    • March 7, 2025

24. Pulling a House?

    By AML, October 26, 2012
    • 7 replies
    • 1.7k views
    • 
    • AML
    • October 28, 2012

25. 2005 2500hd gmc 4 wheel drive problem

    By martin45, February 18, 2015
    • 7 replies
    • 2k views
    • 
    • gmtech4
    • February 20, 2015