2000-2014 Silverado & Sierra HD

14,360 topics in this forum

1. Transfer case fluid

   By d2bnorman, January 31, 2004
   • 0 replies
   • 427.9k views
   • 
   • d2bnorman
   • April 30, 2007

3. front and rear diff oil

   By snorydermb, October 4, 2006
   • 0 replies
   • 325.4k views
   • 
   • snorydermb
   • January 2, 2007

4. 4L80E Fluid Capacity

   By swl2126, October 28, 2003
   • 0 replies
   • 258.5k views
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   • swl2126
   • July 29, 2011

5. Dreaded "Reduced Engine Power" issue 1 2 3 4

   By 6.0 Smitty, May 9, 2014
   • 47 replies
   • 222.2k views
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   • pound41
   • July 2, 2020

6. How To Improve 6.0 Gas Mileage? 1 2 3 4

   By tbone7213, February 23, 2008
   • 49 replies
   • 217.4k views
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   • pappastratos
   • September 26, 2013

7. Recommended Oil For 6.0 W/over 100k

   By wog2006, September 11, 2009
   • 14 replies
   • 214k views
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   • Cowpie
   • February 12, 2015

8. 6.0 vs. 8.1liter engine 1 2 3 4 6

   By memory1, March 3, 2013
   • 87 replies
   • 194.1k views
   • 
   • David89GMC
   • July 14, 2020

9. Horsepower Ratings On The 6.0l

   By hdeatsprius, June 27, 2008
   • 0 replies
   • 182.9k views
   • 
   • hdeatsprius
   • June 28, 2008

10. What is the difference 2500 vs. 2500HD

    By chevyagogo9, February 7, 2004
    • 0 replies
    • 179k views
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    • chevyagogo9
    • January 1, 2007

11. Hole in my Transfer Case 1 2 3 4 9

    By Wardster, January 12, 2006
    • 134 replies
    • 178.4k views
    • 
    • RoarinRow
    • January 12, 2019

12. Help- Check Engine Light Flashing Randomly!

    By MKWL, September 7, 2009
    • 0 replies
    • 168k views
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    • MKWL
    • October 3, 2009

13. Interior swap 1 2 3 4 6

    By 08gmc17, November 24, 2018
    • 76 replies
    • 162.5k views
    • 
    • Armando berriozabal
    • March 23

14. 3 groove or 4 groove pitman arm? 1 2

    By sahls01gmc, March 2, 2016
    • 23 replies
    • 159.4k views
    • 
    • mc4life27
    • June 23, 2021

15. Battery Drain? Help Needed! 1 2

    By Butler, July 19, 2012   

    • battery drain
    • 24 replies
    • 154.9k views
    • 
    • ajot4u
    • November 11, 2021

16. How many miles do you have on your 6.0 liter motor? 1 2 3 4 22

    By john857, January 25, 2007
    • 319 replies
    • 150.3k views
    • 
    • Dave Armstrong
    • March 23, 2020

17. Gear ratio 1 2

    By cliobogger, June 18, 2013
    • 21 replies
    • 144.8k views
    • 
    • Yuuuup
    • November 2, 2019

18. P0101 Error Code Help 1 2

    By xtmsports, May 26, 2008
    • 17 replies
    • 143.9k views
    • 
    • josedlf
    • February 2, 2012

19. Best oil for the duramax

    By Rock Hopper, February 19, 2007
    • 0 replies
    • 137.2k views
    • 
    • Rock Hopper
    • March 29, 2007

20. Front And Rear Diff Fluid Change

    By chechem1984, October 5, 2009
    • 0 replies
    • 135k views
    • 
    • chechem1984
    • October 9, 2009

21. PLEASE HELP!! Very LOUD Ticking 6.0L

    By COSilver, December 28, 2004
    • 0 replies
    • 131.2k views
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    • COSilver
    • August 30, 2007

22. What Is Life Expectancy In Mileage Of 6.0

    By macguy, February 9, 2010
    • 0 replies
    • 129.7k views
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    • macguy
    • February 21, 2010

23. Where Is The Turn/flasher Relay On An 03 2500? 1 2

    By Coachmenguy, November 4, 2009
    • 27 replies
    • 129.6k views
    • 
    • Dustin Parker
    • July 16, 2020

24. Pics Of Your H.d 1 2 3 4 26

    By anteater, May 31, 2008
    • 377 replies
    • 127.9k views
    • 
    • casey.mikl
    • September 17, 2017

25. 2500HD rear axle fluid capacity

    By RyanbabZ71, September 26, 2001
    • 0 replies
    • 127.7k views
    • 
    • RyanbabZ71
    • October 10, 2001

26. Speaker Size

    By 83trekker, August 26, 2008
    • 0 replies
    • 123.2k views
    • 
    • 83trekker
    • September 2, 2008