valley is wet - Ford Powerstroke Diesel Forum
 
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post #1 of 5 Old 09-11-2013, 05:32 PM Thread Starter
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valley is wet

Smelling a little Diesel when i shut it off the valley is a little wet but it never leaks to the ground is it time for a rebuild on the pump ...or is the O rings shot ?

94 F350 Dually 4 door, stick, Raven Black , stock
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post #2 of 5 Old 09-11-2013, 07:21 PM
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Have you changed your fuel filter recently? Last time I did mine it took me a couple of days to notice it seeping a very little. I just did not crank down hard enough when tightening it.

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post #3 of 5 Old 11-10-2013, 08:19 PM
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I know I'm a little late chiming in, but If your Valley is wet, chances are it's one of the fuel pump lines from the mech pump under the turbo. If you don't see them leaking there, it could be the neoprene couplings at the ends of the solid fuel lines coming off the back of the pump to the backs of the cylinder heads. Good luck if you haven't already fixed this.

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post #4 of 5 Old 11-25-2013, 02:02 AM
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Get a really good light and look down into the valley with the engine running. I changed the orings on my filter drain only to see the fuel pump leak after install. I changed my fuel pump sat and all is well.
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post #5 of 5 Old 11-25-2013, 08:08 AM
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Ya, that's a good possibility too. My bet is the hoses into the fpr and the accumulator from the fuel pump, if not the fuel line compression seals on the back of the heads. Replace all those with the kit from diesel orings dot com. May as well do the rebuild on the bowl and fpr while you have it apart. That will make a huge impact on your reliability from the fuel system.

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Last edited by onomado; 11-25-2013 at 08:15 AM.
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