Fuel bowl drain
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Laughing Gas
Joined: May 2007
Posts: 1,100
Likes: 0
From: Davis, Ca.
Fuel bowl drain
Noticed my fuel/water drain is leaking again. I replaced it about three months ago and now it's leaking again. Is there a replacement other than oem that works better? I am going on a hunting trip soon and I don't want to be worrying about this as I will be 1000 miles from home.
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Laughing Gas
Joined: May 2007
Posts: 1,100
Likes: 0
From: Davis, Ca.
I'm not sure it is the o rings. It looks like it is leaking from the valve shaft.
Postmaster
Joined: Jan 2009
Posts: 4,006
Likes: 1
From: AL, Reform
look here i think there is a seal that goes on the shaft.
Separator Valve Rebuild
Replacement O-rings for Ford Diesel Engines
Separator Valve Rebuild
Replacement O-rings for Ford Diesel Engines
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Laughing Gas
Joined: May 2007
Posts: 1,100
Likes: 0
From: Davis, Ca.
Do you have a mil spec number for that?
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Laughing Gas
Joined: May 2007
Posts: 1,100
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From: Davis, Ca.
Checked the old on, sure enough there is a third o ring. I will try rebuilding it and replacing the other and then rebuilding it.
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Hotshot
Joined: Jan 2002
Posts: 17,988
Likes: 207
From: La La Land
Four years is about all you get from a BUNA O-ring. Ask me how I know, or read this:
https://www.ford-trucks.com/forums/8...a-o-rings.html
Get ready. Get the blue ones from Guzzle.
Last replacements you should ever need. They're fluorosilicone. Spec'd for military jet engines. Good enough?
Pop
https://www.ford-trucks.com/forums/8...a-o-rings.html
Get ready. Get the blue ones from Guzzle.
Last replacements you should ever need. They're fluorosilicone. Spec'd for military jet engines. Good enough?
Pop
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Laughing Gas
Joined: May 2007
Posts: 1,100
Likes: 0
From: Davis, Ca.
I ordered two sets to keep in the glove box yesterday. One was going to rebuild the valve but I looked again today with the key on and found the filter top leaking. I checked that the other day but nothing showed. This time there was a steady stream. Put new filter, with squared edge oring in and leak is gone. No more beveled edge oring.
Senior User
Joined: Nov 2009
Posts: 319
Likes: 1
From: Kirkland, WA
Four years is about all you get from a BUNA O-ring. Ask me how I know, or read this:
https://www.ford-trucks.com/forums/8...a-o-rings.html
Get ready. Get the blue ones from Guzzle.
Last replacements you should ever need. They're fluorosilicone. Spec'd for military jet engines. Good enough?
Pop
https://www.ford-trucks.com/forums/8...a-o-rings.html
Get ready. Get the blue ones from Guzzle.
Last replacements you should ever need. They're fluorosilicone. Spec'd for military jet engines. Good enough?
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naseflorio
6.4L Power Stroke Diesel
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Sep 23, 2009 12:45 AM
