Fuel leak - not from filter - Ford Powerstroke Diesel Forum
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Old 03-31-2012, 10:29 AM
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Fuel leak - not from filter

I have a 99 F-350 with a 7.3L. There is a fuel leak from somewhere behind the P/S pump. The 2 fuel line running thru that area appear dry.
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Old 03-31-2012, 10:47 AM
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Are you sure it's not running down from farther up on the engine? Gotta look real hard cause there's alot of "stuff" in the way.
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Old 03-31-2012, 10:50 AM
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Wash engine yesterday so I could look at it today. Top of engine is dry. Don't see anything leaking till I shut off engine.
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Old 03-31-2012, 10:55 AM
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Check the fuel lines really good cause one could be vibrating enough to rub on the corner of the engine/head casting or somethin like that. There may be a crack or rub through spot there somewhere.

It only leaks after it's shut off?
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Old 03-31-2012, 11:08 AM
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There is a section of those line that I can not see as they pass behind p/s-alternator bracket. But the lines are dry as they emerge, but fuel is running down block and dripping back by oil filter (truck is parked on incline in driveway).
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Old 03-31-2012, 11:11 AM
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Hmmmm......I've never really paid attention to what's going on right there with the fuel lines. Is there any connetions anywhere to ease removal/installation that could be leaking? obviously not. lol
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Old 03-31-2012, 11:14 AM
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My next step would be to remove alternator and p/s pump bracket to see what happens behind them.
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Old 03-31-2012, 11:16 AM
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So you're thinkin there's a leak back there that's squirting fuel on the engine but not running down the lines? Not very likely
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Old 03-31-2012, 01:00 PM
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I would think if you cant see what is going on but know the location, it is indeed time to clear a little junk out of the way to see a little better.

Let us know what ya find!
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Old 04-01-2012, 05:39 AM
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Pulled the bracket off. Fuel is coming from a freeze plug in the front of driver side head.
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