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

152 topics in this forum

1. 2016 GMC Sierra 2500HD Service Trailer Brake System/Check Trailer Connection

   By GMCNuneZ71, July 22
   • 3 replies
   • 172 views
   • 
   • Cowpie
   • Friday at 12:23 PM

2. Shell Rotella T6 15W-40

   By EXSlider400, August 9
   • 8 replies
   • 182 views
   • 
   • EXSlider400
   • August 12

3. DEF heater failure and engine light 1 2

   By Jnich17, November 10, 2017   

   • 2015 duramax
   • 20 replies
   • 18,051 views
   • 
   • Barbara Martinez
   • August 6

4. Reverse lights in towing mirror 1 2 3

   By Lon Bossom, November 19, 2017
   • 36 replies
   • 14,506 views
   • 
   • AX633
   • August 5

5. Torque converter

   By FLORIDAMK, August 2
   • 2 replies
   • 152 views
   • 
   • Cowpie
   • August 5

6. 2018 Chevrolet 2500 HD rear tire spin

   By Hanover123, May 27
   • 12 replies
   • 590 views
   • 
   • Colossus
   • July 14

7. 2017 L5P runaway!!!!!engine gone.. scary..now what? 1 2

   By cowboy86, June 6
   • 17 replies
   • 1,229 views
   • 
   • WaxOnWaxOff
   • June 20

8. Transmission fluid change 2015 6.0 1 2

   By ryanhardy, March 28
   • 20 replies
   • 1,232 views
   • 
   • q.poole
   • June 18

9. 2015 Duramax: Cold Oil Pressure Bounces Off "0"

   By jasonvp, January 31
   • 7 replies
   • 512 views
   • 
   • Paintor
   • June 8

10. Make tow mirror parking lights blink with turn signal

    By Tx_operator87, March 22
    • 10 replies
    • 562 views
    • 
    • pgamboa
    • May 18

11. How accurate is the inclinometer?

    By Icutmetl, May 3
    • 3 replies
    • 343 views
    • 
    • dozerboy
    • May 3

12. Oil life on factory fill

    By Revspan, March 9
    • 9 replies
    • 570 views
    • 
    • Black02Silverado
    • May 1

13. Towing Maximum

    By BruceH, April 23   

    • gmc
    • 2500hd
    • (and 1 more)

      Tagged with:

      • gmc
      • 2500hd
      • sierra
    • 6 replies
    • 697 views
    • 
    • redwngr
    • April 30

14. 2016 Silverado 2500 6.0 with Corsa

    By SOTO3389, April 13, 2018
    • 9 replies
    • 2,544 views
    • 
    • KMK454
    • March 28

15. Regen

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

16. Which Engine Oil (conventional or synthetic) 1 2 3 4

    By WireBender, June 18, 2017
    • 50 replies
    • 46,249 views
    • 
    • rileyc
    • March 25

17. Ltz supposed to have LED lights

    By junction44, July 31, 2018   

    • lights
    • ltz
    • (and 1 more)

      Tagged with:

      • lights
      • ltz
      • midnight
    • 10 replies
    • 1,188 views
    • 
    • DBeau
    • March 16

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

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

19. Regen

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

20. 2015 brake job

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

21. 6.0 oil change interval 1 2 3 4

    By 07Serria, October 7, 2018
    • 53 replies
    • 4,154 views
    • 
    • Cowpie
    • February 8

22. Diesel Regeneration 1 2 3

    By Whip, July 12, 2015
    • 37 replies
    • 14,795 views
    • 
    • avalonandl
    • February 4

23. '17 2500hd 6.0L Long Tube Headers? 1 2

    By Biggerdogg01, January 5
    • 18 replies
    • 1,568 views
    • 
    • EZTundra77
    • February 3

24. No sound from speakers

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

25. 6.0 Oil 1 2 3

    By WANNAFARM2, October 25, 2018
    • 34 replies
    • 2,007 views
    • 
    • Cowpie
    • January 8