Tips on Fuel Leaks in the intake. - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 14 (permalink) Old 10-01-2007, 06:40 PM Thread Starter
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Tips on Fuel Leaks in the intake.

Some tips for fuel leaks in the intake for 94-97 PSD trucks. If you can't find any other source, the fuel pump will leak from the bottom of the pump body. I think the diaphragm inside pin holes. Then the fuel will come out the weep or vent hole on the bottom. You can build a dam around the pump with towels or rags to isolate and find leaks. This is a good time to change the fuel hoses as well. You'll need new gaskets for the banjo bolt on hand. Nitrile or viton O-rings or air conditioning rated o-rings will work in a pinch.

Another source is the fuel filter housing. The bottom of the housing will oxidize from water. J B weld has been known to work as a repair. To prevent this one, drain off water regularly.

Any others? Post them.
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post #2 of 14 (permalink) Old 10-01-2007, 10:17 PM
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Re: Tips on Fuel Leaks in the intake.

Another tip.
Good old baby powder in the valley. It absorbs oil and fuel and will direct you to the leak by the amount of buildup you will see. Makes it smell better too!
If you think you have a weephole leak you can see the hole with a small mirror. Standing in front of the motor the hole is at 9 o'clock on the pump. Mirror below pump looking up.

Bill

97 Quigley 4X4 PSD
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post #3 of 14 (permalink) Old 10-02-2007, 02:42 AM
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Re: Tips on Fuel Leaks in the intake.

The vacuum/fuel filter restriction sensor on the bowl is another likely candidate.

Tom

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post #4 of 14 (permalink) Old 10-02-2007, 04:15 AM Thread Starter
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Re: Tips on Fuel Leaks in the intake.

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Originally Posted by Tom S View Post
The vacuum/fuel filter restriction sensor on the bowl is another likely candidate.

Tom
Yes,
I have seen some that leak thru the sensor body itself. Madvan baby powder? I'm not allowed to touch any of that stuff since I took the oven cleaner to use for a degreaser. There was someone using lemon pledge to help keep the engine clean
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post #5 of 14 (permalink) Old 10-02-2007, 10:18 PM
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Re: Tips on Fuel Leaks in the intake.

I addapted a 3/8 hose to my shop vac, & while running sucked up the fuel,, the weep hole leak seems to appear from nowhere
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post #6 of 14 (permalink) Old 10-03-2007, 12:48 AM
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Re: Tips on Fuel Leaks in the intake.

RacerX
The other secret of the baby powder is it keeps the wires and hoses from chaffing and getting a rash
Also my van only gets washed with woolite

Rick
Give it up. Was it you? I have seen some lemon pledge shines from body shops

Bill

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post #7 of 14 (permalink) Old 10-03-2007, 01:19 PM
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Re: Tips on Fuel Leaks in the intake.

Quote:
I have seen some lemon pledge shines from body shops
Potpourri or old english....
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post #8 of 14 (permalink) Old 10-03-2007, 01:35 PM
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Re: Tips on Fuel Leaks in the intake.

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Potpourri or old english....
Old english? Is that the drinkable one with a straw?

Bill

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post #9 of 14 (permalink) Old 10-05-2007, 12:22 AM
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Re: Tips on Fuel Leaks in the intake.

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Old english? Is that the drinkable one with a straw?

Bill
You must be too young...(hides scratches)....
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post #10 of 14 (permalink) Old 10-10-2007, 10:11 PM
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Re: Tips on Fuel Leaks in the intake.

Rick you got any laying around. I bet I could rub that stuff on alot faster than buffing my entire truck!!
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