Fuel-Water separator maintenance, 2008 6.4l 

Just a simple maintenance checklist item.
Simply hooking a hose to the Fuel/Water separator drain, turning the 1/4 turn and checking for water at the bottom of the fuel system.
I perform this once a month and this occasion I had 0 water.
Although there is a "water in fuel" sensor just to the front of this, I would rather catch these kind of things for getting to work hauling or plowing snow.
The more detailed graphic of the separator and primary fuel filter are from www.backglass.o...