Fuel leak issue...quick question. - Ford Powerstroke Diesel Forum
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Old 12-02-2010, 04:33 AM
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Fuel leak issue...quick question.

So I just replaced my fuel filter. It was the old replaceable filter type, and I put a new WIX spin on filter on.

I have an irritating leak now. I don't think that it even stops when the truck is warm.

My thought is it is the fuel filter drain valve. I have done some searching, and it seems like that might be an issue.

Anybody have any suggestions?

Thanks.
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Old 12-02-2010, 04:37 AM
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While running, see any flow? Get like a paper towel and clean it up and watch it while running.
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Old 12-02-2010, 05:03 AM
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I would lean towards the drain valve.I sold four this week alone at work.Can't keep up with them but all started around the same time.
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Old 12-02-2010, 05:14 AM
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mine has the same problem. fuel pools up underneath the turbo and leaks out at the bottom of the engine. I stuck a mirror back there and its leaking from the fuel pump. The pump is around 100 bucks, but its a real pain to replace. I just left it the way it is and it still leaks it wont hurt anything it will just leave spots on your driveway until you get the money and time to fix it, if thats your problem, but thats the first thing i would check on a 7.3
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Old 12-02-2010, 05:49 AM
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Super Dutys don't have a fuel pump on the motor like the OBS trucks.


John, WHERE is it leaking?
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Old 12-02-2010, 05:53 AM
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If you played with the drain valve at all I would start there. Look at Guzzle's site for orings.
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Old 12-02-2010, 06:35 AM
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I just had to replace my drain valve the other day.... new valve with o-rings (made it a really easy, quick job) from Ford was about $62, I will replace the o-rings on my old one, leave it on the shelf untill one of the other 3 or 4 PSD's I help maintain need it... the dealer parts guy told me that the valve it'self will sometimes crack, and he had the whole valve in stock, not the o-ring kit, so that's what I got, needed it RIGHT NOW kinda deal...

Good luck...
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Old 12-02-2010, 01:53 PM
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Thanks for the help, guys. First off, I took Jarrod's advice. After it is warmed up, it wouldn't drip. It was mostly leaking out between the bowl and the valve assembly.

So I took a guess and installed a new drain plug assembly. Oreilly had one for 42, and they didn't have a rebuild kit. Taking the old one out was a huge pain, mostly because the old screws were corroded, or something. When I finally got them out, I installed the new one, which was a breeze. I will know by tonight, probably, if that fixed it. I sure hope it did!!!

Thanks for the help, gents.
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Old 12-03-2010, 06:03 AM
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For anybody that wants the part number for that shutoff, here it is.

Dorman #904-202 cost $42.

Thanks again for the help.
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Old 12-06-2010, 04:00 PM
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Mine was doing the same, Just find 2 viton o rings for the separator valve and change them. google it and there are a bunch of kits and directions. I got my o rings for 57 cents on ebay. Make sure you get viton they are black or brown. Also make sure you have a good gasket on the filter, and that there is only one not an old one stuck from the old filter cover.
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