Fuel leak issues need help ASAP! - Ford Powerstroke Diesel Forum
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post #1 of 24 Old 12-26-2009, 12:02 PM Thread Starter
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Fuel leak issues need help ASAP!

Have an 02 7.3 ran it out of fuel, now it leaks at the prime lever on the fuel filter housing. I cranked the lever to reprime the system and it started leaking somewhere around the lever it leaks both out the tube and around the lever so there is fuel on the ground and fuel on the top of the block. Anyone experience thiks before and what is the fix? And YES the lever is in the closed position...

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post #2 of 24 Old 12-26-2009, 12:19 PM
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may need new O rings. Its a water drain...not a fuel primer

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post #3 of 24 Old 12-26-2009, 12:22 PM
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I believe what you're describing is the drain valve for the filter housing. To prime the system cycle the key on and off a couple of times (not cranking). Also I believe there are o-rings that go bad at the lever. I could be wrong. Someone will chime in I'm sure.

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post #4 of 24 Old 12-26-2009, 12:43 PM
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To fix your leak, you need to buy two #202 o-rings (1/2" o.d, 1/4" i.d, and 1/8" thickness) and replace the ones inside the drain valve. I would suggest getting Viton O-rings as they fair better than other o-rings in heat. First drain all the fuel, and disconect the drain piping to the drain valve. Next remove the drain valve assemby with a #20 torx bit (there are 4 screws). Pop out the old o-rings, clean it up a bit, replace with new o-rings and slap it back together.

I just did this yesterday. The o-rings cost me a buck each, and it took me around 30 min.
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post #5 of 24 Old 12-26-2009, 12:47 PM
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Here is a link of a how-to

Separator Valve Rebuild
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post #6 of 24 Old 12-26-2009, 01:02 PM Thread Starter
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Thanks guys already figured it out ordered new rings from here: dieselorings.com

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SC Performance tune
35" NTG's on Moto Metal 951's
Carbon Fiber Int on Black Leather
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post #7 of 24 Old 12-26-2009, 01:06 PM
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Glad you figured it out. That's where I buy o-rings too. Don't treat the drain as a primer and I bet these new o-rings will last a long time!

Post pics of your work. Will help all of us in the future. I have never had tro do mine yet!

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post #8 of 24 Old 12-28-2009, 02:17 PM
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Quote:
Originally Posted by 7.3Lifted View Post
Here is a link of a how-to

Separator Valve Rebuild
Thanks for the link. I just posted that my '99 just acquired a fuel leak about a month ago (I don't drive the truck much...I believe I've driven it twice with the leak). It's dripping at a rate of about one drop every 3-4 seconds when the truck is running. It does not drip when the engine is off. Could it be this separator valve o-rings? The fuel is coming from a tube that runs down near the front of the passenger side head.

Oh, I notice it said that repair only took one beer. How can I milk the job to get my way through a 6-pack?


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post #9 of 24 Old 12-29-2009, 03:06 PM Thread Starter
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Quote:
Originally Posted by Hank View Post
Glad you figured it out. That's where I buy o-rings too. Don't treat the drain as a primer and I bet these new o-rings will last a long time!

Post pics of your work. Will help all of us in the future. I have never had tro do mine yet!

Hey thanks figured that out the hard way. If Ford didnt put that stupid filter cap that needs a special tool i wouldnt have used it as a primer LOL

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SC Performance tune
35" NTG's on Moto Metal 951's
Carbon Fiber Int on Black Leather
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post #10 of 24 Old 12-29-2009, 10:01 PM
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go to napa... just buy the whole valve kit and be done with it

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