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Old 10-06-2012, 01:36 PM
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Question Help!!! Leaking diesel?

Just noticed today after pulling in the drive way from work that I had diesel fuel dripping out from between the transmission and the block coming out of the inspection cover. Truck only has 155k. Checked my oil out wasn't runny or didn't have a hint of diesel smell to it or any antifreeze, no diesel or oil in coolant tank either. She also doesn't even come close to over heating and drives without any issues. What does this or could this mean?

All help will be appreciated.
Robert.
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Old 10-06-2012, 03:16 PM
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Could be a bunch of stuff...

Here's an interesting video, BUT I have to warn you about this guy,,,, he makes Great Videos, that Does NOT make him infallible though. He's got some really GOOFY theories
(not about this though) So, don't take him as your Guru, as many do Confirm his advice on anything else he says

POWERSTROKEHELP.COM - The Information Source for Ford Power Stroke Diesel Owners
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Old 10-06-2012, 03:21 PM
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After looking further into it the diesel has been going down the back passenger side from the valley. The valley had quite a bit of fuel lying in there and the only place that seemed to be really freshly saturated was right behind the fuel bowl. I did a few key cycles to try and build up pressure and nothing happened. Tried running the engine and still nothing, so I'm guessing it must be a rather slow leak. Will be cleaning the engine come next weekend and see where the fuel puddles up to try and determine the likely area of the issue.
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Old 10-06-2012, 03:45 PM
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if its not leaking at the fuel bowl i would say its leaking from one of the fuel lines.
my guess is one of the fuel lines. should help you narrow it down if you can tell which side of the motor the fuel is leaking down.
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Old 10-06-2012, 03:47 PM
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my poor dad had both fuel lines on his 2000 psd leak about 2 months apart.
thought he had it fixed then it started leaking again haha
he was pissed seeing as we were on vacation.

totally didn't see your comment about the pass side leak.
i would check the line were it goes to the head.
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Old 10-06-2012, 04:15 PM
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Noralph thanks for the video. Didn't know about the hole in the valley in the back for draining. But unfortunately that didn't say anything about the fuel leak.

99stroker- from what the video that noralph posted it makes total sense as to why it is leaking down the pass side. I'm kind of leaning towards the bowl or a line going into the bowl, only because that is the place that seems to be freshly saturated. Won't know for sure until I clean the girls heart next weekend and wait to see where the puddle forms at. (Also. checked both lines that go to the heads for fuel supply and they are dry as can be)
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Old 10-06-2012, 08:58 PM
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you either need to one or both. First, rebuild the fuel bowl. The drain valve is notorious for it to leak. Second, is the passenger side fuel rail. It leaks where the line runs thru a clamp, right before the pedestal. Overtime, the clamp wears a hole in it, thus, creating the leak.

Riffraff Diesel: Complete Fuel Bowl Seal Kit
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Old 10-10-2012, 04:24 PM
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Thank you timmyboy for the link. I'm gonna go ahead and do the fuel bowl and the one fuel line that runs along the passenger side head. I have about a 1700 mile trip back home in the next month and a half and don't have enough time to try and diagnose the problem fully so I thought I would go after the two most likely culprits. And if either of those aren't the problem I'll just replace all the lines in the valley area, and while its torn apart I figured that would be a good time to get a intake manifold from afe and Riffraff Diesel Billet Intake Manifold Plenums.

But where am I going to find the fuel hard line that runs on the passenger head?
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Old 10-10-2012, 08:18 PM
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Hey bud, do not waste your money on the AFE spider assy. Its nothing more than a glorified stock spider. Do however, get the insert plenums, and while your at it, atleast the R.R. plenum boots and T clamps for the plenums. The stockers just suck. The hardline can be found at the ford dealership..think 40 buks. Put a piece of 1/4in fuel line where the p/s fuel line runs in that clamp. Wont have a problem with it, rub
n a hole in it again.
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Old 10-10-2012, 08:30 PM
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This should help you too.

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