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Old March 23rd, 2014, 09:29 PM   #1
roll-bar Bob
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Unhappy 02 7.3 sprung a leak

So last fall I picked up my Old Man's 02 f250 4x4 with a 7.3 sporting 250k on it as a 3rd driver as we sold off the Dakota last summer. This winter has been so dam cold and the 7.3 is a cold hearted bitch so the thing has sat all winter. Until this week, when my Ram decided to shit trans parts all over the road, now as the Ram is setting at the trans shop, the 7.3 needs to be a DD for a week or two. Over the last couple days I have started noticing the Diesel smell coming from the underneath. It was just faint and not bad until today when shit went wrong. I now have fuel pissing out from underneath the truck if the key is on. I ran it over to my neighbor’s shop put it on the hoist and found the back side of the motor is soaked and dripping fuel but can’t find the source ???? I lower the truck down and crawl under the hood and find some wet lines at the front of the motor but nothing like the amount of fuel I am finding underneath the truck.

1 Is there a common item with these rigs I should be looking for???

2 Could this be a water blow off line or valve that froze and broke this winter ???

of the fuel lines I saw under the hood and truck they looked to be in good shape nothing like the rusted out break lines I replaced last year for the Old Man
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Old March 23rd, 2014, 09:33 PM   #2
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Check the fuel bowl. The orings on the drain valve like to leak.

The fuel fills the valley between the heads and drains down the back of the motor. You can get a new design valves and seals pretty cheap.
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Old March 23rd, 2014, 09:34 PM   #3
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X2

Look at the fuel drain valve on the back of the fuel filter bowl, the orings go bad and leak fuel. You can get a new valve with orings from the dealer.

The other place for a fuel leak would be the steel lines running from the fuel bowl to the heads, sometimes they rub thru on the bracket that holds them in place.
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Old March 23rd, 2014, 10:02 PM   #4
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x2 the fuel bowl drain valve was what was wrong with mine
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Old March 23rd, 2014, 10:05 PM   #5
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thanks guys !!!
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Old March 24th, 2014, 08:31 AM   #6
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agreed on the fuel bowl o-rings.

This post is just further truth that if you want a running truck and you own a ford and a dodge you still need to go get a chevy
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Old March 24th, 2014, 09:03 AM   #7
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Dorman products also makes the fuel bowl drain valve replacement kit. I have to do a few of them.
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Old April 7th, 2014, 11:04 PM   #8
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Red face

Well after a ton of mother-fuckering, the Leaky bitch leaks no more, I started with the bowl drain valve only to find that was not it. Then it was back off to the dealers to get another 100 dollars in parts which included a new fuel line from the bowl to the pas..-side head and a little bag of O-rings. After a few more hours in the shop and the aid of my wife's little arms, we were back up and running.




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