96 7.3 fuel leak? - Ford Powerstroke Diesel Forum
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post #1 of 12 Old 12-14-2007, 02:29 PM Thread Starter
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Unhappy 96 7.3 fuel leak?

I've noticed my 1996 7.3 lacking power from time to time and I smell fuel. I also noticed fuel dripping on my driveway. I looked under the hood and there is fuel laying under the turbo. Everything from the turbo hoses to the oil drain plug is wet.

Where to start?
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post #2 of 12 Old 12-16-2007, 05:11 AM
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Firdt thing you wanna check is the fuel pump down in the valley and the hoses running to it. When the fuel pump goes bad it will leak from a weep hole on the bottom of the pump. It could also be o-rings on the bottom of the fuel filter. First thing I would do is clean the valley best you can and run the truck and try and pin point where the fuel is coming from.

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post #3 of 12 Old 12-21-2007, 04:22 AM Thread Starter
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Thank's. After looking and drying I took advantage of the bb to boost the fuel pressure hoping this would help the leak along. Boy was I right. The leak is coming from the fuel line collar? Where it attaches by a nut to the pump. Does any one know what size the nut is and if it can be tightened with out removing the turbo?
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post #4 of 12 Old 12-21-2007, 04:23 AM
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that bolt is an 1 1/4 in size

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post #5 of 12 Old 12-21-2007, 04:28 AM Thread Starter
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Great, is there an o-ring, gasket or something ther that can go bad? or is it just tighten and it seals?
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post #6 of 12 Old 12-21-2007, 05:10 AM
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if you try and tighten it and it doesnt feel loose yes there are two metal o-rings on each side of that bolt, try tightening first

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post #7 of 12 Old 12-21-2007, 06:32 AM Thread Starter
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Worked like a Champ. It was just a little loose. It seemed to twist the fuel lines just a touch but shouldn'd hurt anything. I'll keep an eye on it and change the metal o-rings if needed.
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post #8 of 12 Old 12-21-2007, 06:40 AM
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glad you got it fixed

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post #9 of 12 Old 12-22-2007, 08:56 PM
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i had the exact same prob the nut was loose bout 1/4 turn but i still have a puddle in the valley right in front of the turbo

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post #10 of 12 Old 03-20-2008, 03:06 PM
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are the injectors from a 94 7.3 the same as 96 7.3
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