Engines & Powertrain (Duramax & Vortec)

227 topics in this forum

1. WHat size is the Diesel fuel tank?

   By flyingfool, August 13, 2020
   • 10 replies
   • 4.1k views
   • 
   • redwngr
   • August 17, 2020

2. 2015 3500 High Country Duramax P2436

   By Ryanjb01, August 11, 2016
   • 10 replies
   • 3.5k views
   • 
   • Colossus
   • September 1, 2016

3. 2016 HD gas rear Differential size?

   By 2016HD, March 24, 2017
   • 10 replies
   • 16.4k views
   • 
   • newdude
   • March 25, 2017

4. Oil life on new Duramax

   By Scout Abaco, September 20, 2015
   • 10 replies
   • 9.3k views
   • 
   • Cowpie
   • October 13, 2015

5. 2015 Silverado 2500hd fuel consumption

   By Udacha, September 18, 2019
   • 9 replies
   • 3k views
   • 
   • redwngr
   • November 6, 2019

6. Transmission flush on 2015 6.0?

   By fjtort2, November 11, 2015
   • 9 replies
   • 13.1k views
   • 
   • SMiller
   • February 20, 2016

7. 2015 6.0 Drivetrain Clunking?

   By WiscoZ71, August 3, 2018
   • 9 replies
   • 3.4k views
   • 
   • Biggerdogg01
   • January 5, 2019

8. Trucks revealed tomorrow, 9-29.

   By jj46, September 28, 2016
   • 9 replies
   • 2.4k views
   • 
   • Colossus
   • October 2, 2016

9. DEF tank

   By Peterd, July 2, 2017
   • 9 replies
   • 12.8k views
   • 
   • 1st diesel truck
   • March 23, 2018

10. Remapping the BCM

    By 321Gochiefs, July 18, 2017   

    • programming
    • lights
    • (and 1 more)

      Tagged with:

      • programming
      • lights
      • signals
    • 9 replies
    • 7.1k views
    • 
    • paauto
    • January 3, 2018

11. Oil life on factory fill

    By Revspan, March 9, 2019
    • 9 replies
    • 2.1k views
    • 
    • Black02Silverado
    • May 1, 2019

12. Diesel Particulate Filter Regeneration Frequency

    By tripleb, February 16, 2020
    • 9 replies
    • 21.8k views
    • 
    • Colossus
    • August 18, 2020

13. High oil pressure when cold

    By 2017HD, April 11, 2017
    • 9 replies
    • 35.9k views
    • 
    • redwngr
    • November 10, 2017

14. Turns over but won't start without ether

    By kbm0084, November 6, 2017   

    • issues
    • wont start
    • (and 3 more)

      Tagged with:

      • issues
      • wont start
      • ether
      • 3500
      • gmc
    • 9 replies
    • 19.8k views
    • 
    • GMCustomerService
    • April 13, 2023

15. HOW TO LIFT and MAINTAIN RIDE QUALITY AND RAKE?

    By CBALLIACHE, August 11, 2016
    • 9 replies
    • 10.1k views
    • 
    • EJCarter
    • September 11, 2016

16. Opinion needed

    By nicko1234, September 28, 2017
    • 9 replies
    • 1.9k views
    • 
    • 8lugCT
    • September 29, 2017

17. Drive train vibration

    By asaxby, June 1, 2018
    • 9 replies
    • 4.3k views
    • 
    • Barak
    • October 3, 2018

18. 2018 L5P sudden loss of power and shut off

    By 480Ruger, May 22, 2018   

    • l5p
    • loss of power
    • (and 1 more)

      Tagged with:

      • l5p
      • loss of power
      • 2018
    • 9 replies
    • 47.5k views
    • 
    • redwngr
    • November 25, 2020

19. New to me 2015 2500HD High Country Towing Vibration

    By ranchdip, March 12, 2017
    • 8 replies
    • 3.1k views
    • 
    • crankman
    • May 3, 2017

20. 2015 Duramax: Cold Oil Pressure Bounces Off "0"

    By jasonvp, January 31, 2019
    • 8 replies
    • 11.4k views
    • 
    • jasonvp
    • September 18, 2019

21. Tuned 0-80 video

    By SMiller, January 19, 2018
    • 8 replies
    • 4.4k views
    • 
    • SierraHD17
    • January 21, 2018

22. 2016 GMC Sierra 2500HD Service Trailer Brake System/Check Trailer Connection

    By GMCNuneZ71, July 22, 2019
    • 8 replies
    • 19.5k views
    • 
    • zed2
    • October 25, 2020

23. Follow up thread to my first towing impressions

    By skav, February 27, 2015
    • 8 replies
    • 3.6k views
    • 
    • calvic
    • June 3, 2015

24. Thinking about trading in my 2015 6.2 for 2016 GM duramax

    By THOR442, October 7, 2016
    • 8 replies
    • 2.8k views
    • 
    • Cowpie
    • October 9, 2016

25. 2017 L5P noise from turbo controller when opening or closing doors.

    By silver sled 16, June 25, 2017   

    • l5p 2017 2500hd duramax
    • 8 replies
    • 10.2k views
    • 
    • OpsWest
    • July 28, 2017