6.6L (LML/L5P) & 6.0L (L96/LC8) Tech

145 topics in this forum

1. Transmission fluid change 2015 6.0

   • 1
   • 2

   By ryanhardy, March 28
   • 15 replies
   • 493 views
   • 
   • GTBensley
   • Tuesday at 02:35 PM

2. 2016 Silverado 2500 6.0 with Corsa

   By SOTO3389, April 13, 2018
   • 9 replies
   • 2,157 views
   • 
   • KMK454
   • March 28

3. Oil life on factory fill

   By Revspan, March 9
   • 4 replies
   • 240 views
   • 
   • Black02Silverado
   • March 25

4. Regen

   By DBeau, March 9
   • 4 replies
   • 212 views
   • 
   • avalonandl
   • March 25

5. Which Engine Oil (conventional or synthetic)

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   • 3
   • 4

   By WireBender, June 18, 2017
   • 50 replies
   • 35,893 views
   • 
   • rileyc
   • March 25

6. Make tow mirror parking lights blink with turn signal

   By Tx_operator87, March 22
   • 0 replies
   • 125 views
   • 
   • Tx_operator87
   • March 22

7. Ltz supposed to have LED lights

   By junction44, July 31, 2018   

   • lights
   • ltz
   • (and 1 more)

     Tagged with:

     • lights
     • ltz
     • midnight
   • 10 replies
   • 870 views
   • 
   • DBeau
   • March 16

8. DEF Heater Failure Repaired: Still Have "65MPH" Countdown

   By jasonvp, March 12
   • 14 replies
   • 234 views
   • 
   • jasonvp
   • March 15

9. Reverse lights in towing mirror

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   • 3

   By Lon Bossom, November 19, 2017
   • 30 replies
   • 10,802 views
   • 
   • DBeau
   • March 11

10. Regen

    By DBeau, March 9
    • 0 replies
    • 68 views
    • 
    • DBeau
    • March 9

11. 2015 brake job

    By ryanhardy, October 7, 2018
    • 8 replies
    • 752 views
    • 
    • dozerboy
    • February 12

12. 2015 Duramax: Cold Oil Pressure Bounces Off "0"

    By jasonvp, January 31
    • 4 replies
    • 203 views
    • 
    • redwngr
    • February 10

13. 6.0 oil change interval

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    • 3
    • 4

    By 07Serria, October 7, 2018
    • 53 replies
    • 2,606 views
    • 
    • Cowpie
    • February 8

14. Diesel Regeneration

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    • 3

    By Whip, July 12, 2015
    • 37 replies
    • 13,203 views
    • 
    • avalonandl
    • February 4

15. '17 2500hd 6.0L Long Tube Headers?

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    By Biggerdogg01, January 5
    • 18 replies
    • 912 views
    • 
    • EZTundra77
    • February 3

16. No sound from speakers

    By Jinbama, January 29
    • 0 replies
    • 123 views
    • 
    • Jinbama
    • January 29

17. 6.0 Oil

    • 1
    • 2
    • 3

    By WANNAFARM2, October 25, 2018
    • 34 replies
    • 1,511 views
    • 
    • Cowpie
    • January 8

18. 2015 6.0 Drivetrain Clunking?

    By WiscoZ71, August 3, 2018
    • 9 replies
    • 787 views
    • 
    • Biggerdogg01
    • January 5

19. New to me 2015 Denali hd diesel

    By cperk, January 3
    • 4 replies
    • 265 views
    • 
    • gearheadesw
    • January 3

20. Fuel Mileage L5P

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    By Peterd, July 23, 2017
    • 21 replies
    • 14,325 views
    • 
    • Cowpie
    • December 25, 2018

21. DEF heater failure and engine light

    • 1
    • 2

    By Jnich17, November 10, 2017   

    • 2015 duramax
    • 19 replies
    • 12,384 views
    • 
    • Mikey52
    • December 3, 2018

22. Opinions on towing?

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    • 2
    • 3

    By 2017DenaliHDChris, June 6, 2018
    • 35 replies
    • 3,587 views
    • 
    • Waaazooo
    • November 23, 2018

23. Code P21DD (Reductant Tank Heater)

    By TinkeringFox, October 15, 2018   

    • def
    • p21dd
    • (and 12 more)

      Tagged with:

      • def
      • p21dd
      • reductant
      • tank
      • heater
      • circuit
      • low
      • lml
      • cold
      • start
      • engine
      • def tank heater
      • reductant tank heater
      • fluid
    • 1 reply
    • 14,473 views
    • 
    • avalonandl
    • October 25, 2018

24. 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
    • 7 replies
    • 3,183 views
    • 
    • gearheadesw
    • October 13, 2018

25. Short tube and long tube

    By Texas45, October 12, 2018   

    • headers
    • 2015
    • (and 4 more)

      Tagged with:

      • headers
      • 2015
      • 2500
      • 6.0
      • shorttube
      • long tube
    • 4 replies
    • 593 views
    • 
    • Slizzo
    • October 12, 2018