6.4L Power Stroke DieselEngine fitted to 2008 - 2010 F250, F350 and F450 pickup trucks and F350 + Cab Chassis SPONSORED BY:
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I have a few questions about the water separator that you are supposed to drain monthly. I am now at the first monthly drain time. I got under the truck and found the drain and the yellow lever. When I pull the lever I assume water/fuel will drain out. How long do I let this drain? Will I be able to tell when the water (if any) has drained out and am then only draining fuel? Anything else I need to know?
I usually drain about 1-2 oz. I use a clear oil measuring cup for mixing 2 stroke gas. If there is water in the filter you will see 'bubbles' moving around the bottom of the container. I talked to a friend at work who never touched his in 3 yrs, saying that the sensor will warn him. I told him that I was getting about 1 teaspoon/1000 miles(about 1 month of time for me). He told me to change where I was buying my fuel, which I did. No more water when I checked so I stopped draining.
08 F250 4X4 SCAB 8' Bed
Lariat Trim level
I went the first 3 months without ever doing it because the indicator never alerted me. I finally drained it completely after 3 months, and it wasn't more than 4-6 ounces before it was completely empty. Used a glass measuring cup to get a good look at it. One droplet of water (about the size of a BB) at the bottom of the glass. I'll drain it again (for the second time) tomorrow and let you know what I find. Since Diesel #2 is not available in different grades (Reg, Plus, Prem) I stick with Shell and Chevron as my sources. (I honestly have no idea if that helps or not)
Funny username hardon. My psd invokes similar manlike chest pounding thoughts for me too.
I went for a long time without draining the separator until I read several posts about water/dirt making its way into the high pressure side of the fuel system. Evidently it just ruins everything. Second only to gelling in the lines.
I can burn anywhere from 6 to 10 tanks of fuel in a week so I figure with that kind of volume its better to be safe. I also use Shell a lot, BP, Flying J and Pilot when I am on the road. I don't think anybody here would like to say "don't worry about it, just drain it when the truck tells you to" 'cause it has really messed up some of these 6.4's.
Have fun on these forums.
2011 F250 6.7 4X4 Lariat Ultimate FX4 3.55 ELock
Polk Audio component speakers, AFE Stage 7 intake
Sho Me Strobes, Shocker XL Horns, BakFlipG2
2 Kicker 10" subs, Rockford Fosgate amp
Ride-Rite air bags, VIAIR #10007 onboard air, AFE DPF back exhaust, power slot rotors/EBC pads, Nitto Trail Grapplers M/T 295/55 R20! Transfer-Flow 50 gal tank
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