Troubleshooting & Recalls

743 topics in this forum

1. Brand new 2016 2500HD Allison Extremely hard shifts 1 2

   By Palazzoblues, September 1, 2016
   • 21 replies
   • 26.5k views
   • 
   • Mightyjoe4
   • September 4, 2019

2. Lifter

   By Edward M, September 4, 2019
   • 0 replies
   • 512 views
   • 
   • Edward M
   • September 4, 2019

3. Door lock problem

   By ron mexico75, August 31, 2019
   • 1 reply
   • 5.3k views
   • 
   • ron mexico75
   • August 31, 2019

4. No Power

   By GaBear, August 27, 2019
   • 4 replies
   • 854 views
   • 
   • GaBear
   • August 28, 2019

5. 2017 Chevy 2500 power mirrors

   By Brett254, August 25, 2019
   • 1 reply
   • 1.1k views
   • 
   • Gdt sierra
   • August 26, 2019

6. 2017 Silverado automatic folding mirrors

   By oscarcr710, August 21, 2019
   • 1 reply
   • 468 views
   • 
   • ShabbaDanks
   • August 21, 2019

7. factory suspension height

   By sillywillie07, April 24, 2018
   • 4 replies
   • 22.8k views
   • 
   • sillywillie07
   • August 21, 2019

8. suspension

   By dirtymax801, August 14, 2019
   • 0 replies
   • 492 views
   • 
   • dirtymax801
   • August 14, 2019

9. Well looks like I'm taking my new to me truck in 1 2

   By offroadman83, July 25, 2019
   • 21 replies
   • 2.1k views
   • 
   • offroadman83
   • August 7, 2019

10. 2015 HD Brake Pedal Binding

    By mtbadbob, May 19, 2018
    • 2 replies
    • 2.4k views
    • 
    • mtbadbob
    • August 5, 2019

11. Havoc mode doors

    By Tstewart1979, July 16, 2019
    • 3 replies
    • 1.8k views
    • 
    • q.poole
    • July 17, 2019

12. remove

    By OpsWest, July 17, 2019
    • 0 replies
    • 608 views
    • 
    • OpsWest
    • July 17, 2019

13. Fuel gauge inop

    By Plumber101010, July 8, 2019   

    • gauges
    • fuel guage
    • 4 replies
    • 11.3k views
    • 
    • avalonandl
    • July 12, 2019

14. Chevy vs GMC

    By Kathie O, July 4, 2019   

    • sierra
    • 3 replies
    • 1.2k views
    • 
    • EXSlider400
    • July 5, 2019

15. Fluid leak from Bell housing 1 2

    By Jksb751, March 21, 2019
    • 15 replies
    • 17.2k views
    • 
    • rascalmafia
    • June 28, 2019

16. 194K mile Transmission Failure REPAIRED

    By Jedibusiness, June 14, 2019   

    • 6.0
    • wt
    • (and 3 more)

      Tagged with:

      • 6.0
      • wt
      • 6l90
      • 2015
      • 2500hd
    • 6 replies
    • 5.4k views
    • 
    • MNorby
    • June 26, 2019

17. 2015 Duramax Oil Leak- 3500 miles 1 2 3

    By AdamD2C, August 1, 2015
    • 35 replies
    • 50.3k views
    • 
    • gearheadesw
    • June 26, 2019

18. Correct Torsion key bolt position

    By OpsWest, June 18, 2019
    • 6 replies
    • 2.2k views
    • 
    • OpsWest
    • June 23, 2019

19. L5P bottom engine tick

    By Rme2513, June 22, 2019
    • 0 replies
    • 7.7k views
    • 
    • Rme2513
    • June 22, 2019

20. 2016 2500 HD trans doesn't shift up when towing 1 2 3

    By RamblinFever, March 25, 2017
    • 31 replies
    • 20.2k views
    • 
    • Jak860
    • June 4, 2019

21. T.S.B. for the 70 m.p.h. shake

    By massbowtie, May 19, 2019
    • 5 replies
    • 4.2k views
    • 
    • rlme36
    • June 4, 2019

22. Sierra 2500 6.0 Bogging under high load No CEL

    By theegovernor, June 3, 2019
    • 4 replies
    • 3.4k views
    • 
    • JD110
    • June 4, 2019

23. 2018 Allison slow to downshift

    By mfsanford, May 26, 2019
    • 2 replies
    • 646 views
    • 
    • mfsanford
    • May 27, 2019

24. Engine Tick leading to Exhaust Valve Tip Failure at 190K.

    By Jedibusiness, May 18, 2019   

    • p0303
    • p0306
    • (and 4 more)

      Tagged with:

      • p0303
      • p0306
      • exhaust manifold
      • exhaust valve
      • heads rebuild
      • 2015 hd wt
    • 5 replies
    • 3.7k views
    • 
    • Jedibusiness
    • May 24, 2019

25. Poor Chrome Quality 1 2

    By Brunomax, January 29, 2016
    • 17 replies
    • 10.8k views
    • 
    • rlk105mm
    • May 23, 2019