Spraying Oil under truck when running!! HELP - Ford Powerstroke Diesel Forum
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Old 01-04-2013, 12:42 PM
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Spraying Oil under truck when running!! HELP

Hey everyone, I have a 2003 7.3 that just recently had the glow plugs replaced (about a week ago) today i just noticed a decent amount of oil (pretty sure its oil, not a noticable loss on the dipstick tho) on my front axle and cross member, both passenger side. I think ive narrowed it down to where its coming from, it appears to be coming out of a small metal tube (picture below). I have tried following the tube and cant seem to figure out where it goes, any ideas at to what the tube is for? and why theres oil coming out of it?
Thank you for your help!


Passenger side right infront of exhaust manifold
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Old 01-04-2013, 12:59 PM
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If your talking about the tube that is just hanging there, it's the drain tube from the fuel bowl. Do you smell diesel?

On the back (Firewall side of the fuel bowl) there is lever that rotates to be able to drain your fuel bowl. Either that got moved and some fuel is dripping -OR- (like in my case) the o-rings behind it are leaking. I bought a new assembly and replaced the whole thing, but there are places out there that sell just the o-rings.

This is what it looks like (off the truck):
http://www.puredieselpower.com/catal...Path=34#nextag
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Old 01-04-2013, 01:31 PM
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I will go check on that in a few, i have been smelling something lately around the truck. I figured it was the oil maybe getting on the hot manifold.
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Old 01-04-2013, 01:32 PM
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also just out of curiosity, whats the line going into the manifold?
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Old 01-04-2013, 01:35 PM
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the tube going into the manifold is for the exhaust back pressure sensor.
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Old 01-04-2013, 05:00 PM
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seems like I got it to stop leaking, the lever on the back of the bowl had been moved a little bit... can't believe it was that simple. It's hard to tell if definatly stopped it all the way, everything is covered in fuel, but it sure slowed it down.. the exhaust back pressure sensor triggers the exhaust back pressure valve on the turbo outlet?
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