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Old 05-31-2013, 11:11 PM   #4
4x4toy
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Join Date: Jan 2009
Location: Southern Md
Posts: 228
Re: '07 Suburban p0455 but "no" leak

Double check the line between the vent solenoid and the fuel pump holer, if it looks greasy at the fuel pump holder it is leaking. Vent solennoid should have come with new line, I think. But double check, I will put slightly thicker O-ring when I replace them. Lube it so it does not roll when you connect it back together.
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