3rd Gen Engine and Drivetrain -> 2003-2007 5.9 liter Engine and drivetrain discussion only. PLEASE, NO HIGH PERFORMANCE DISCUSSION!

Lift pump leak fixed

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Old 07-12-2003, 08:14 AM
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Lift pump leak fixed

I removed the lift pump yesterday. The o-ring seal was damaged. Apparently the pump wasn't aligned properly and allowed the seal to get pinched. The pump centers itself via the outlet tube and o-ring.<br><br>MikeyB
Old 07-12-2003, 08:32 AM
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Re:Lift pump leak fixed

Thanks for letting us know what you found. Too few users of this site let us know the solution to their problem(s).<br>Presume all you did was install a new O-ring and reinstall the pump?
Old 07-12-2003, 11:35 AM
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Re:Lift pump leak fixed

That is correct. Just a new o-ring. About a ten minute job. One thing I didn't understand is the manual didn't mention lubing the o-ring. I went ahead and lube the o-ring with silicon grease. The kit contains just about every seal needed for the fuel system. Also included 4 new bolts with thread locker for the lift pump.<br><br>MikeyB
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