Duramax Diesel & 8.1L Big Block

585 topics in this forum

1. Painting alum. wheels

   By Steve-Maine, August 9, 2019
   • 1 reply
   • 796 views
   • 
   • CDNBlueThunder
   • August 9, 2019

2. 2005 2500hd won't crank

   By Nathan Bierer, August 7, 2019
   • 1 reply
   • 617 views
   • 
   • davester
   • August 7, 2019

3. Gear indicator issue

   By Andrew8335, July 24, 2019
   • 4 replies
   • 3.6k views
   • 
   • Andrew8335
   • July 25, 2019

4. WInd Noise/whistle over 40mph, just started

   By pw42, July 20, 2019
   • 2 replies
   • 2.3k views
   • 
   • pw42
   • July 22, 2019

5. Correct Cross Pin Lock Bolt Part # for 04 2500 HD Front Differential?

   By redneckgames, July 9, 2019
   • 2 replies
   • 634 views
   • 
   • davester
   • July 15, 2019

6. What are some problems with the lmm

   By Snakehearts, April 14, 2019
   • 2 replies
   • 4.1k views
   • 
   • Colossus
   • June 21, 2019

7. 2006 GMC LBZ, starts then dies right after

   By Jorxdn, May 9, 2019   

   • gmc sierra duramax lbz security
   • 1 reply
   • 7k views
   • 
   • carkhz316
   • June 19, 2019

8. PCM ground wire

   By Dmnguyen28, June 12, 2019
   • 0 replies
   • 1.1k views
   • 
   • Dmnguyen28
   • June 12, 2019

9. PCM ground wire

   By Dmnguyen28, June 12, 2019
   • 0 replies
   • 2.4k views
   • 
   • Dmnguyen28
   • June 12, 2019

10. Larger Fuel Tank

    By denis1227, February 23, 2011
    • 14 replies
    • 30k views
    • 
    • Stk1514
    • June 6, 2019

11. Destroyed front hubs @150k

    By Sky Blakeman, May 23, 2019   

    • hubs
    • 4x4
    • (and 4 more)

      Tagged with:

      • hubs
      • 4x4
      • manual
      • auto
      • auto locking
      • front axels
    • 3 replies
    • 1.5k views
    • 
    • SierraHD17
    • May 23, 2019

12. 2500hd 6.0 Gasser

    By Dan86, May 2, 2019   

    • 2500hd
    • 1 reply
    • 1.1k views
    • 
    • Colossus
    • May 2, 2019

13. Have a 6L but looking to go to a Duramax

    By UrbanElite, April 11, 2019
    • 0 replies
    • 606 views
    • 
    • UrbanElite
    • April 11, 2019

14. Wiring for factory pyrometer in/on obd port

    By The Reefs Wonder, March 20, 2019
    • 2 replies
    • 1k views
    • 
    • The Reefs Wonder
    • March 22, 2019

15. Engine Whine Noise finally diagnosed and resolved

    By hiking_mike, March 20, 2019
    • 0 replies
    • 22.7k views
    • 
    • hiking_mike
    • March 20, 2019

16. Dome lights

    By wagonboy, March 18, 2019
    • 0 replies
    • 538 views
    • 
    • wagonboy
    • March 18, 2019

17. Uninstall H&S mini max

    By Jminter6001, March 13, 2019
    • 0 replies
    • 2.3k views
    • 
    • Jminter6001
    • March 13, 2019

18. Truck goes into limp mode, throws heavy smoke when driving on freeway. Help!.

    By MikeAg, March 6, 2019   

    • duramax
    • lly
    • (and 2 more)

      Tagged with:

      • duramax
      • lly
      • black smoke
      • limp mode
    • 2 replies
    • 4.4k views
    • 
    • Colossus
    • March 8, 2019

19. LEFT TURN GRIND NOISE

    By NuTreez, March 8, 2019
    • 0 replies
    • 571 views
    • 
    • NuTreez
    • March 8, 2019

20. 2003 GMC Sierra please help

    By FirefighterinVa, February 2, 2019   

    • ignition
    • fuel system
    • (and 3 more)

      Tagged with:

      • ignition
      • fuel system
      • duramax
      • wont start
      • wrecked
    • 2 replies
    • 1k views
    • 
    • Niners 365
    • March 7, 2019

21. Interior upgrades

    By Blaise, January 19, 2019   

    • seats
    • options
    • 2 replies
    • 2.6k views
    • 
    • Blaise
    • February 26, 2019

22. Need little help with my shifter

    By Allison, February 25, 2019   

    • shifters
    • gears
    • (and 3 more)

      Tagged with:

      • shifters
      • gears
      • duramax
      • shift knob
      • shifter
    • 0 replies
    • 818 views
    • 
    • Allison
    • February 25, 2019

23. 2007 Classic 2500 HD OBD2 no power

    By Captaindick, February 25, 2019
    • 1 reply
    • 4.7k views
    • 
    • tbarn
    • February 25, 2019

24. Middle front seat conversion

    By dirtymaxdan, February 23, 2019   

    • seat console conversion swap 40/20/40 split bench
    • 2 replies
    • 877 views
    • 
    • dirtymaxdan
    • February 24, 2019

25. Door switch doesn't work with door open

    By thatdamnabe, February 21, 2019
    • 0 replies
    • 510 views
    • 
    • thatdamnabe
    • February 21, 2019