2000 Fuel Leak Under Turbo - Ford Powerstroke Diesel Forum
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Old 08-14-2010, 06:23 PM
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2000 Fuel Leak Under Turbo

I have a 2000 F-350 that I had to replace the power steering hose today that goes from the pump to the braking hydro assist. I drive it a mile to a local ice cream shop and stopped to look for leaks with the engine running. Everything was fine. I got my Ice Cream and went directly home. As I pulled into my driveway, I noticed smoke coming from under the hood, and the smell of oil buring off of something hot. I pulled the hood and looked expecting to see spraying hydraulic fluid, but instead found spraying diesel.

It is coming from the passenger side of the motor in the valley between the heads. I can see it spraying between the Y Pipe and the bracket that supports the turbo. It leaks with they key on, and the engine not running, and sprays with the engine running.

There is a steele pipe in there simmilar to a brake line. Is that a fuel line? The braded lines that are wrapped in wireloom between the fuel pump and the head are fine. The bleeder valve on the back of the pump is closed and sealing properly.

What is back there that can leak? I read an instruction manual on replacing these little blue hoses on 7.3L engines that are in the valley, but it was for an older version (late 90's) of the engine. Do I even have these hoses?

I was a mechanic in the Army, but the lame GM 6.2 diesels I worked on were much simpler then this. Do I even want to tacke this problem, or drag it to my mechanic?

It would be a bummer to not have my work truck Monday morning...

Any assistance you can offer would be greatly appreciated!
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Old 08-14-2010, 06:38 PM
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You need to crawl up on top and have someone turn the key on so that you can see where the leak is coming from. I have heard and seen the fuel filter housings with pinholes leaking really bad.
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Old 08-15-2010, 05:15 AM
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I have also seen fuel filter housing leak, but there is a fuel line that runs thru the valley on the passenger side. It is a steel line and has a tendency to rub thru about middleways back. The line goes from the filter housing to the rear of the passenger side head. It is a little difficult to get to, but you could do it yourself.
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Old 08-15-2010, 06:57 AM
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So that IS a fuel line... Looks like a pain to get to! I know the fuel travels through the head. I was worried that I had a cracked head. Still, looks like the turbo has to come off to get to it. That can't be easy to R&R...

Thanks so much!
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Old 08-15-2010, 08:03 PM
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It will come out without removing the turbo, it just takes a little patience.

You will have to bend the relay bracket back a little, but it is easily straightened, and the line comes out with some twisting as you remove it.

Solder up the leak, and put it back into service.
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Old 08-16-2010, 04:45 AM
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I think the replacement line is around $30. I'd replace it instead of solder. The new line also come with new o-rings for the ends.
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Old 08-16-2010, 05:43 PM
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where you are, the replacement line is about $30. Mine went out on the side of the highway, about 250 miles from the only dealer up here. I soldered it up, and it got me home. then I got the replacement cost. I can live with the solder job.

Also, if you are hooped for o-rings, just use a chunk of 1/4" or 5/16" fuel line, cut to 1/4" long. Slip it over the end of the steel line, after cleaning all of the old seal out of the nut. Run the nut on, and you're good to go.
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Old 01-18-2011, 12:00 PM
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Anybody have a part number for this fuel line? Mine burst driving down the interstate so I need to go get one for it.
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