6.6L Gas V8 & HD Transmission Powertrain (L8T/MYD)

186 topics in this forum

1. Trans cooler part ID?

   By lundimpact1775, August 27
   • 3 replies
   • 282 views
   • 
   • lundimpact1775
   • August 27

3. Buying a 2024 SLE 6.6 next weekend school me

   By Icelink, August 4
   • 9 replies
   • 1.2k views
   • 
   • Pryme
   • August 24

4. 2023 6.6 Gas Real World Towing Observations 1 2 3

   By SWDoodle, January 6, 2023
   • 41 replies
   • 19.5k views
   • 
   • cbaker879
   • July 30

5. Noise while driving

   By sllewm, July 5
   • 3 replies
   • 607 views
   • 
   • sllewm
   • July 6

6. Which oil filter, not so simple! 1 2 3 4 12

   By Pryme, September 26, 2022
   • 169 replies
   • 34.9k views
   • 
   • Grumpy Bear
   • June 29

7. Changes from HD year one to current year

   By greatmizzou, June 23
   • 2 replies
   • 846 views
   • 
   • Flatus
   • June 27

8. 6.6L L8T coolant temp

   By cbaker879, June 11
   • 9 replies
   • 1.5k views
   • 
   • Kjduvall
   • June 26

9. First Oil Change - What is this?!?!

   By loam_seeker, June 9
   • 3 replies
   • 1.5k views
   • 
   • lineman1234
   • June 16

10. 6.6 6spd towing..some real world data. 1 2

    By TeamSaris, November 30, 2023
    • 27 replies
    • 5.2k views
    • 
    • cbaker879
    • June 11

11. 2024 Chev 2500 HD Torsion Bar

    By BCGM, May 28
    • 11 replies
    • 2k views
    • 
    • BCGM
    • June 11

12. 6.6L Gas Transmission Cooler Line Recall

    By spm1us, September 5, 2021
    • 3 replies
    • 9.4k views
    • 
    • Another JR
    • June 5

13. MPG at 600 miles 1 2

    By 2021 HD, September 10, 2023
    • 18 replies
    • 4k views
    • 
    • BCGM
    • June 4

14. Oil Consumption 1 2 3

    By waltman, January 12, 2023
    • 40 replies
    • 23.3k views
    • 
    • BCGM
    • May 30

15. 6.6L programmer 1 2 3

    By Snorat, November 19, 2020
    • 38 replies
    • 51.5k views
    • 
    • UWSkier
    • May 28

16. Safe to drive without front driveshaft, tcase stuck in 4Hi

    By WhiteOut1986, May 13
    • 1 reply
    • 472 views
    • 
    • Another JR
    • May 16

17. 2024 Transfer Case Seal Leak 1 2

    By Tater86, November 15, 2023
    • 25 replies
    • 8.2k views
    • 
    • newdude
    • May 5

18. 6.6 gas and Truck Camper 1 2

    By RyanCawdor, July 9, 2021
    • 29 replies
    • 12.9k views
    • 
    • MORSNO
    • April 12

19. 6.6L gasser MPG with new 10 speed Allison tranmission? 1 2 3 4 5

    By campah, September 25, 2023
    • 62 replies
    • 23.5k views
    • 
    • BCGM
    • April 6

20. 6.6 - Catch Can - Final Answer 1 2 3 4

    By 6.6HD, February 18, 2021
    • 50 replies
    • 20.9k views
    • 
    • mrjulian416
    • April 2

21. Transmission Fluid--Which to use?!?!?! 1 2

    By Truston Gunter, January 10
    • 15 replies
    • 5.6k views
    • 
    • Epsilon Plus
    • February 3

22. My truck is leaking oil

    By finn5033, February 8, 2022
    • 5 replies
    • 7.5k views
    • 
    • Cheekster96
    • January 28

23. Transmission Tq Converter shop recommendations - Pacific NW

    By NWSierra, January 16
    • 5 replies
    • 1.1k views
    • 
    • Epsilon Plus
    • January 22

24. Transmission slips when offroad

    By Cindy Wood, October 23, 2023
    • 13 replies
    • 2.2k views
    • 
    • Pryme
    • January 10

25. 2022 Sierra 2500HD Oil Pressure Sensor Location

    By Fredschwartz5, October 1, 2022
    • 4 replies
    • 5.3k views
    • 
    • mrjulian416
    • January 9

26. Squeak/squeal when shifting?

    By BuckWallace, July 28, 2023
    • 13 replies
    • 5k views
    • 
    • Another JR
    • December 20, 2023