Just jumping in here to wrap my head around this disastrous phenomenon. I just experienced lifter failure in my ‘14 RT Durango. Details in my “reintroduction” post. I am not very fluent in 3G Hemi details, terminology and descriptions, but I know it’s MDS.
One thing I picked up on before things started making noise was that it seemed that I couldn’t control the MDS with my eco button, and the engine sounded like it was flubbering like it normally sounds when it cuts cylinders.
I’m trying to attach a video of what it sounded like when I took action. I really thought it was a belt pulley, which is why I took the belt off to run it.
I’m really upset this happened to me.