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1997 - 2006 Expedition & Navigator 1997 - 2002 and 2003 - 2006 Ford Expedition and Lincoln Navigator Discussion

fuel line

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Old Dec 13, 2002 | 09:58 PM
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fuel line

Can anyone please tell me which fuel line on my 97 expy is the supply line and which is the return line. I know that they both have plastic sleeves with one colored blue and the other gray. But I don't know which is which. Please help.
 
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Old Dec 14, 2002 | 11:12 AM
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fuel line

The bigger of the 2 is the supply line.
 
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Old Dec 16, 2002 | 04:08 PM
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Post fuel line

You could also find the line with the fuel filter, which would be the supply. The fuel filter should be on the inside of the frame under the drivers door.
 
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Old Dec 16, 2002 | 06:15 PM
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fuel line

 
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