08 6.4 fuel/water seperator

[ThirdCoastStroker]

i just got my 08 about 4 weeks ago and i just found out that i am supposed to be draining the seperator about once a month i went to drain it an hour ago and i stuck a 12oz gatorade bottle up there and filled it almost to the top 2 TIMES!!! truck has 73k miles on it how much will the seperator hold until it stops seperating?

[tjbrowder]

It will keep draining.

You only need to let it drain for about 20 to 30 seconds. If it is holding any water, it will come out in the time mentioned.

[ThirdCoastStroker]

Ok it stopped after I filled the second bottle

[Big Angry Hillbilly]

The water comes out first, fill about 1/2 of that Gatorade bottle, and see if there's water in it. Easiest way to check and see if there's water in it, is throw it in the freezer with the cap on, (make sure you put it in a ziploc bag, you don't need them frozen pizzas covered in diesel fuel) and the water will freeze on the bottom. The fuel will stay liquid on the top. At least, it should, if it's half decent fuel.

However, in your area you guys might be running #1 diesel, so the fuel may freeze, too.

Something to keep in mind. But the water will be seperate from the fuel. And typically on the bottom.

[ThirdCoastStroker]

Kool than hillbilly, what is #1 diesel and what else is there?