Fuel water separator draining
Cargo Master
Joined: Jul 2008
Posts: 2,571
Likes: 55
Yep I drained mine when I got home as well. I can't tell if theres water in it or not. I need to get a clear container to drain my fuel in to, then let it settle out over night, and look at it in the morning. This would be neat to see and a good indicator of what is going on. My fuel almost entirely comes from one specific high-volume fuel stop, and usually one specific pump. When I am out on the road I try to hit the big truck stops if I can.
< Samantha...my Co-Pilot
Joined: Dec 2001
Posts: 768
Likes: 11
From: Fallon, Nevada
Are we checking it for "Fuel or Water"?
Tuned
Joined: Dec 2010
Posts: 460
Likes: 51
From: Washington state
I might add that I have 17,000 miles on my truck and just as I said before drained my truck for the first time and no water. I read the part in the manual about the information screen telling you when you had a problem and didn't pay attention to the monthly drain instructions probably wrongly. In 170,000 miles on my 2001 7.3 I never experienced water in the fuel. I became nervous like others after rictac's problems. It is so easy I think I will do it more often than once in 17,000 miles.
Senior User
Joined: Jan 2006
Posts: 435
Likes: 87
From: So Cal
diesel fuel will attract moisture (water)
in higher humidity area's, this is even more critical.
couple of keys -
always buy fuel from a station that is busy, the more fuel they move, the less time it has to attract moisture
always try to keep your tank full - its better to run it down to half full and fill it up than it is to run it empty and only fill it half full.
in my 05 and 08, I changed the fuel filters every 15K miles, and never drained otherwise.
in higher humidity area's, this is even more critical.
couple of keys -
always buy fuel from a station that is busy, the more fuel they move, the less time it has to attract moisture
always try to keep your tank full - its better to run it down to half full and fill it up than it is to run it empty and only fill it half full.
in my 05 and 08, I changed the fuel filters every 15K miles, and never drained otherwise.
Senior User
Joined: Dec 2010
Posts: 277
Likes: 0
diesel fuel will attract moisture (water)
in higher humidity area's, this is even more critical.
couple of keys -
always buy fuel from a station that is busy, the more fuel they move, the less time it has to attract moisture
always try to keep your tank full - its better to run it down to half full and fill it up than it is to run it empty and only fill it half full.
in my 05 and 08, I changed the fuel filters every 15K miles, and never drained otherwise.
in higher humidity area's, this is even more critical.
couple of keys -
always buy fuel from a station that is busy, the more fuel they move, the less time it has to attract moisture
always try to keep your tank full - its better to run it down to half full and fill it up than it is to run it empty and only fill it half full.
in my 05 and 08, I changed the fuel filters every 15K miles, and never drained otherwise.
Do you change the fuel filters yourself? My Ford dealer wants $200 to do it.
($130 for an oil change)
ken
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Senior User
Joined: Oct 2010
Posts: 161
Likes: 0
There seems to be much mis-information on this thread. Page 36 of the Diesel supplement states that you only need to drain the fuel filter/water separator when the indicator light in the message center indicates it is necessary, or at every oil change. Nothing is stated about draining it monthly. There is a lot of information in the owners manual and I'm beginning to think perhaps this forum is not the best place to get information.
Lead Driver
Joined: Jan 2010
Posts: 6,600
Likes: 84
There seems to be much mis-information on this thread. Page 36 of the Diesel supplement states that you only need to drain the fuel filter/water separator when the indicator light in the message center indicates it is necessary, or at every oil change. Nothing is stated about draining it monthly. There is a lot of information in the owners manual and I'm beginning to think perhaps this forum is not the best place to get information.
It allows 150 ml of water to collect and does state above that may cause damage.
If water is slowly collected over time, I would rather keep it below that amount.
Thread Starter
|
Senior User
Joined: Aug 2011
Posts: 136
Likes: 0
There seems to be much mis-information on this thread. Page 36 of the Diesel supplement states that you only need to drain the fuel filter/water separator when the indicator light in the message center indicates it is necessary, or at every oil change. Nothing is stated about draining it monthly. There is a lot of information in the owners manual and I'm beginning to think perhaps this forum is not the best place to get information.
If you think this forum is not good information, the reason for this topic is due to another members troubles with a dealership claiming there is water in his fuel and denying to fix the problem under warranty, even though he never got a WIF light. So govern yourself accordingly . So we are learning from others issues and doing PREVENTIVE MAINTENANCE.
Senior User
Joined: Oct 2010
Posts: 161
Likes: 0
You guys quoting the page numbers that say "drain every month", are you looking in the 2011 diesel supplement? One said it was on page 67, another page 72. My book, fourth printing, does not say that on either page. In fact there is nothing regarding the fuel filter/water separator on either of these pages. The only mention I have found in the supplement is on page 36 and it states "drain it when the message center says to, or at each oil change."
Junior User
Joined: Dec 2010
Posts: 95
Likes: 0
From: El Paso
There seems to be much mis-information on this thread. Page 36 of the Diesel supplement states that you only need to drain the fuel filter/water separator when the indicator light in the message center indicates it is necessary, or at every oil change. Nothing is stated about draining it monthly. There is a lot of information in the owners manual and I'm beginning to think perhaps this forum is not the best place to get information.
If you think this forum is not good information, the reason for this topic is due to another members troubles with a dealership claiming there is water in his fuel and denying to fix the problem under warranty, even though he never got a WIF light. So govern yourself accordingly . So we are learning from others issues and doing PREVENTIVE MAINTENANCE.
</O<O
</OI have the pdf version of the Diesel Supplement (5th Printing) and page 72 does have a bullet under the Monthly checks that states:
· Fuel filter/water separator; drain if necessary<O
</OWouldn't you have to drain it first to see if it was necessary?? Isn’t it the light and message that tell you it’s necessary?
<O
</OPage 4 has this info:<O
</OThe DFCM should be drained at regular intervals or when indicated by<O
</Othe message center message and water in fuel indicator light.<O
</O<O
</OShould it not say:<O
</OThe DFCM should be drained at regular intervals ANDwhen indicated by<O
</Othe message center message and water in fuel indicator light.<O
</O?
<O
</OHere is the blurb on pg 38:
</O
Water should be drained from the module assembly whenever the warning light comes on and the message center directs you to drain the water separator.
<O
</OI too agree about misinformation and that the manual could put more emphasis on the importance of draining the water separator. Just by reading this thread, it appears there are several out there that have not been doing it regularly or at all.
<O
</O
Lead Driver
Joined: Jan 2010
Posts: 6,600
Likes: 84
I found it.
I knew I had read a document FROM FORD stating the word monthly.
The PDF is attached.
I knew I had read a document FROM FORD stating the word monthly.
The PDF is attached.
Take Care of your Fuel Injection System
�� Diesel fuel quality is critical for reliable engine operation. Motorcraft® Cetane Booster & Performance Improver, PM-22-A (U.S.) / PM-22-B
(Canada) can be added to improve fuel economy, starting ability, and reduce engine wear.
�� The water separator should be drained monthly or when the "Water in Fuel Lamp" illuminates.�� Biodiesel fuel must not exceed 20% (B20). To avoid cold weather fuel gelling, add 6 oz. of Motorcraft® Anti-Gel & Performance Improver
PM-23-A (U.S.) / PM-23-B (Canada) to every new tank of fuel.
�� Diesel fuel quality is critical for reliable engine operation. Motorcraft® Cetane Booster & Performance Improver, PM-22-A (U.S.) / PM-22-B
(Canada) can be added to improve fuel economy, starting ability, and reduce engine wear.
�� The water separator should be drained monthly or when the "Water in Fuel Lamp" illuminates.�� Biodiesel fuel must not exceed 20% (B20). To avoid cold weather fuel gelling, add 6 oz. of Motorcraft® Anti-Gel & Performance Improver
PM-23-A (U.S.) / PM-23-B (Canada) to every new tank of fuel.
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