2000-2014 Silverado HD & Sierra HD

14,430 topics in this forum

1. Just how much weight can I put in the bed of a 2500HD? 1 2

   By 6Sixathome, May 3, 2012
   • 15 replies
   • 93.3k views
   • 
   • 00Silverado4x4
   • May 14, 2012

2. Gmc 2500hd Duramax Allison Trans Fluid Change?

   By Dave1, December 14, 2009
   • 0 replies
   • 92.8k views
   • 
   • Dave1
   • December 14, 2009

3. 6.0 Rough Running, No Power

   By scottishmaximus, June 21, 2008
   • 0 replies
   • 92.5k views
   • 
   • scottishmaximus
   • January 6, 2010

4. Is It Possible To Change Just The Ball Joints?

   By bbnate804, May 9, 2010
   • 0 replies
   • 91.7k views
   • 
   • bbnate804
   • June 16, 2010

5. How To Increase Fuel Mileage On 6.0l

   By knightgang, February 22, 2010
   • 0 replies
   • 91.5k views
   • 
   • knightgang
   • February 27, 2010

6. Flickering Headlights / Lights - SOLVED

   By ZBrink, December 19, 2016
   • 3 replies
   • 91.4k views
   • 
   • davester
   • January 7, 2021

7. 2500HD 6.0L Stock exhaust sizes?

   By Jester4736w, April 26, 2005
   • 0 replies
   • 90.9k views
   • 
   • Jester4736w
   • April 26, 2005

8. Spark Plug to replace 41–985

   By KiltedShane, December 13, 2018
   • 14 replies
   • 90.5k views
   • 
   • MaverickZ71
   • December 14, 2018

9. Gas Mileage for 2500HD 8.1L 6Spd Auto

   By mark97213, August 17, 2006
   • 0 replies
   • 89.4k views
   • 
   • mark97213
   • August 20, 2006

10. "service Battery Charging System"

    By BlackSilver, May 3, 2011
    • 0 replies
    • 88k views
    • 
    • BlackSilver
    • May 7, 2011

11. 2wd to 4wd conversion

    By Craq, July 29, 2005
    • 0 replies
    • 87.2k views
    • 
    • Craq
    • September 11, 2005

12. Rough Idle 6.0?

    By wilkes65, July 14, 2008
    • 0 replies
    • 86.9k views
    • 
    • wilkes65
    • April 23, 2009

13. No Radiator Drain, So What's The Best Technique To Drain It? 1 2

    By Coasty, December 12, 2010
    • 25 replies
    • 86.6k views
    • 
    • dieselfelon
    • February 1, 2017

14. How Much Transmission Fluid Does A 4l80 Trans Hold?

    By trx680, November 10, 2009
    • 0 replies
    • 86.4k views
    • 
    • trx680
    • November 20, 2009

15. Larger Oil Filter for 6.0L 1 2

    By Frozen001, August 9, 2006
    • 17 replies
    • 85.2k views
    • 
    • Cowpie
    • August 10, 2015

16. 8.1 liter reliability

    By boneage, January 12, 2007
    • 0 replies
    • 84.9k views
    • 
    • boneage
    • January 24, 2007

17. Where do they hide all the electrical grounds?

    By sdeeter19555, June 17, 2017
    • 7 replies
    • 84.8k views
    • 
    • Tim Polaske
    • January 10, 2023

18. 2500HD power steering fluid

    By mattymax, January 25, 2017
    • 7 replies
    • 83.6k views
    • 
    • mattymax
    • February 1, 2017

19. Purpose Of 2 Batteries Gas Motor

    By macguy, February 16, 2010
    • 0 replies
    • 83.1k views
    • 
    • macguy
    • February 26, 2010

20. Need Torque Specs For 14-bolt Axles

    By Mighty HD, January 23, 2008
    • 0 replies
    • 82.7k views
    • 
    • Mighty HD
    • January 25, 2008

21. 8.1l Mpg

    By JF1957, March 27, 2010
    • 0 replies
    • 82.4k views
    • 
    • JF1957
    • November 11, 2010

22. Oil Leak 1 2

    By brentm, November 24, 2009
    • 21 replies
    • 80.9k views
    • 
    • phillyturbosix
    • September 13, 2014

23. How To Carry 16ft Decking On A Shortbed Truck?

    By searay220, August 20, 2009
    • 0 replies
    • 80.4k views
    • 
    • searay220
    • September 11, 2009

24. Transmission and engine temp questions 1 2

    By t?m, March 12, 2012
    • 22 replies
    • 79.1k views
    • 
    • t?m
    • August 9, 2012

25. Try Starting Truck and Only Get One Click From Starter 1 2

    By nbuchanan, December 13, 2011
    • 19 replies
    • 78.7k views
    • 
    • bachevy23
    • September 23, 2015