HFCM will not Drain
Elder User
Joined: Jul 2008
Posts: 599
Likes: 0
From: Tucker, GA
You should also pull the lower fuel filter out and have a look at it. Whatever is blocking the drain may be clogging it up too.
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Freshman User
Joined: Nov 2005
Posts: 29
Likes: 0
From: NW Washington
Quick update. Put new fuel and Stanedyne (sp) and light has remained off for the past twenty or so miles. Temps in the Teens now. As long as the WIF light stays off I will wait until the temps warm up more. Does anyone know the size of the O ring on the IH modified plug??
Cargo Master
Joined: Mar 2007
Posts: 3,103
Likes: 32
From: AB/BC
Quick update. Put new fuel and Stanedyne (sp) and light has remained off for the past twenty or so miles. Temps in the Teens now. As long as the WIF light stays off I will wait until the temps warm up more. Does anyone know the size of the O ring on the IH modified plug??
Posting Guru
Joined: Jan 2003
Posts: 2,181
Likes: 3
From: Eastern CT.
Well that figures,,I bought my 06' F-350 Six-O, on 1/3/06,,,,so no extra warranty for me!,, Ahh my truck has been great anyway,,No issues,,Keep my foot in it,,,clean it out often,,,Just not to good on fuel mileage that all,,,LOL.
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Freshman User
Joined: Nov 2005
Posts: 29
Likes: 0
From: NW Washington
Subfreezing and HFCM - Page 2 - Diesel Forum - The Diesel Stop.com
#25 (permalink
Well I took off the Dealer modded valve after trying to heat up the valve to see if it was an icing issue. Just got a steady drip..drip.. well you get the picture. So I pulled the valve and 2-3 cups of diesel and sediment came out. There was some fine sediment and then some grainy and linear type of sediment too. This must have been blocking the petcock. So, new plug in and I'm a happy camper once more. I will try to post pics of the dealer modded valve. It shows corrosion on the bottom half of the inlet portion, I imagine it is the amount that doesnt drain off due to the drain port being 1/8 to 3/16 higher with the petcock configuration as oppossed to pulling the entire plug.
Thank-you for all the help folks.
#25 (permalink
Well I took off the Dealer modded valve after trying to heat up the valve to see if it was an icing issue. Just got a steady drip..drip.. well you get the picture. So I pulled the valve and 2-3 cups of diesel and sediment came out. There was some fine sediment and then some grainy and linear type of sediment too. This must have been blocking the petcock. So, new plug in and I'm a happy camper once more. I will try to post pics of the dealer modded valve. It shows corrosion on the bottom half of the inlet portion, I imagine it is the amount that doesnt drain off due to the drain port being 1/8 to 3/16 higher with the petcock configuration as oppossed to pulling the entire plug.
Thank-you for all the help folks.
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