5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

1994 Mustang GT Fuel Leak Questions

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Old 04-23-2011, 05:30 PM
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realprore
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Join Date: Apr 2011
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Default 1994 Mustang GT Fuel Leak Questions

Hey everyone - I have a '94 GT with a leak coming from the fitting (pictured) attaching the fueld pump to the pressure line. It was leaking (spraying really) dramatically. I pulled it apart and found 6 o-rings (2 large, 4 small) three of which were badly deteriorated. Figuring this was the problem, I jumped over to the parts store to find new o-rings. I replaced all 6 and it still leaks like crazy.

Photo:



So, I have 2 questions:
1. Does anyone know the size of these two o-rings? Are they metric or standard?
2. Is there a particular order or method to installing them and putting the fitting back together?
3. Is there an alternative I can pursue if this won't work out?

I called Ford - they said they never sold just the o-rings, and don't sell the line any more.

Thanks,
Jon
1994 Ford Mustang GT 5.0 Manual
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