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Old 12-09-2010, 04:14 PM
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fuel leak

Well recently I have been pouring fuel and money into my f350. I checked the ground, and if it is idleing the fuel drips to the ground. The truck is a 99 with a 7.3.. I looked down in the valley between the heads and there is a build up of fuel. I haven't investigated the source yet (to freakin cold)
Not sure where it is comming from, I dont see any fuel spraying so I wonder if it is RPM driven,,, Any sugestions or experiences with this problem would be a real help...thanks stevo..
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Old 12-09-2010, 04:17 PM
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check your drain o rings they tend to leak.
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Old 12-09-2010, 04:32 PM
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Are you speaking about the fuel water/seperator drain off handle? I wiped down the fuel water seperator for future inspection this week end.. I had wondered if it was the gasket on top of the unit.... I don't know I'm just groping for answers...... thanks stevo..
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Old 12-10-2010, 09:30 AM
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Well the weekend is here and I went to the ford dealer to check on some parts..... The "o" rings for the drain were about 40.00 and a complete unit was 50 some dollars so I bought the complete kit.. I also bought a new filter with the gasket on top for 40. some dollars...So I will do some work this weekend and will see what happens.... thanks a bunch....stevo..
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Old 12-10-2010, 12:18 PM
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yes the fuel bowl drain.. when mine leaked it filled up the valley and i could see it dripping when i turned it off.. might need to get a retractable mirror so you can see better.. check this.

http://www.dieselorings.com/docs/fueldrain.pdf
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Old 12-11-2010, 11:50 AM
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Well the latest progress report....I changed the filter and gasket, then I proceeded to change the drain off valve unit.... They were both easy and at this point no runs, drips, or errors..... Some how I can't believe I was loosing so much fuel just because that possible problem with the drain... I do how ever see that there is a lot of pressure from the pump to the fuel/water seperator. That tech report said to run the truck through a couple of cycles before starting, after the first one I opened up the drain to bleed off the air and it sounded like an air chuck being removed So thank you for the help... this was one of the easy jobs...stevo
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Old 12-21-2010, 02:32 AM
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If it is a fuel leak then you have to do lots of work.... but I think if your cars is a a/c one then its just water formed due to condensation drizzling from you ride have a good look at the problem.... good luck!!!!
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Old 12-21-2010, 09:42 AM
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Quote:
Originally Posted by mikewayne View Post
If it is a fuel leak then you have to do lots of work.... but I think if your cars is a a/c one then its just water formed due to condensation drizzling from you ride have a good look at the problem.... good luck!!!!
uh negative ghost rider... if changing two o rings on the back side of a fuel bowl is a lot of work..then you've got a long road ahead of ya.
i am pretty sure most people can tell the difference between condensation from ac and a fuel leak.
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Old 12-21-2010, 02:04 PM
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Well I agree. The problem WAS the "O" rings on the drain.... As stated I bought a new shut off and didn't want to fool around with the "O" rings. The ford dealer said no one had just the "O" rings in stock and the new valve was only about 8.00 more..

So it has been a week and everything seems to be working well. No fuel leaks and no fuel in the valley.. So I'm pretty happy at this time>>>

Thanks for the help and Merry Christmas to all..........stevo..
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