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  1. 11-16 LML Duramax Powertrain
    Hello, i have a 2015 6.6 LML that is leaking a significant amount of oil. I got a notification of low oil, stopped and checked and needed to add a few quarts of oil to get the levels right. I have removed the wheel well and found that the lower valve cover on the passenger side is leaking. I...
  2. 07.5-10 LMM Duramax Powertrain
    So to start off yesterday evening I went go to fill up my truck at the gas station about a mile down the road. I came back and noticed while it was idling I saw some blue smoke coming out so I checked underneath the truck and saw a small puddle coming then got on the ground to see there was oil...
  3. 2020+ LM2 Duramax Powertrain
    I sold my 2016 2500HD Duramax and got the Sierra with the 3.0. I had to drive a ways to get the cab/bed/engine configuration I wanted and was excited to get it home! I had a 350 mile run to get acquainted. Awesome drive home! Next morning I have an immediate mil and engine in reduced power mode...
1-3 of 3 Results