6.6L Duramax Diesel & Allison Powertrain (L5P/MGM)

183 topics in this forum

1. rear end fluid

   By rblanch, January 16, 2020
   • 4 replies
   • 6.1k views
   • 
   • rblanch
   • January 17, 2020

3. Running wiring into cab

   By Doug59, January 3, 2020
   • 1 reply
   • 1.1k views
   • 
   • sdelam
   • January 7, 2020

4. L5P Oil Life Monitor mileage?

   By BNSF, December 16, 2019
   • 4 replies
   • 4.1k views
   • 
   • redwngr
   • December 30, 2019

5. Invisible trailer question

   By Michaellallen, November 11, 2019   

   • Invisiblebtrailer
   • 4 replies
   • 1.7k views
   • 
   • ShotgunZ71
   • December 27, 2019

6. Engine light on 2401 miles 1 2 3

   By Jnuehring, September 10, 2019
   • 40 replies
   • 6.9k views
   • 
   • BIll Gladson
   • December 10, 2019

7. 2020 Allison - oil can filter?

   By pw42, November 21, 2019
   • 5 replies
   • 9.2k views
   • 
   • Anthony Greco
   • November 28, 2019

8. Help buying new truck 1 2 3

   By Lfod1836, November 13, 2019
   • 39 replies
   • 5.5k views
   • 
   • powerhaulic
   • November 17, 2019

9. Allison Transmission

   By Teach, August 28, 2019
   • 0 replies
   • 1.8k views
   • 
   • Teach
   • August 28, 2019