RE: [DMCForum] Sealing the Fuel Pump Ring
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RE: [DMCForum] Sealing the Fuel Pump Ring

My initial thought was you could dissolve the foam with acetone but my
chemical engineering friend said it would probably take something more
aggressive like toluene, ethylene chloride, or methyl ethyl ketone (MEK) but
it will probably attack the rubber boot as well.

The previous owner of my car filled that area with what looked like wheel
bearing grease.  I could tell some water had been on top at some point but
it didn't seem to penetrate to the connections.  What about something like
spray-on lithium grease?


-----Original Message-----
From: Scott Mueller [mailto:scott.a.mueller@xxxxxxxxx]
Sent: Friday, March 19, 2004 11:22 AM
To: scott.a.mueller@xxxxxxxxx
Subject: [DMCForum] Sealing the Fuel Pump Ring

I would like some feedback on an idea I just had while preparing my car for
the trip to Pigeon Forge in June.

While in the gas tank, cleaning the rust and other crud out, I noticed that
the (106684 Fuel Pump Cover Seal) still allowed moisture to accumulate
around the top of the fuel pump.

I  installed the (101957 Plenum Drain Tube) a couple of years ago to prevent
the water from the air plenum draining onto the fuel pump cover seal.

My idea is to use spray urethane foam to fill the the top of the fuel pump
in the (101391 Fuel Pump Ring).

The upside that I see is that water would not be able to get to the top of
the fuel pump and seep into the tank.

The downside is that it would be an absolute bear to service the pump in the

Give me the Good, the Bad and the Ugly of my idea.

Scott Mueller
DOC-UK 357 Magnum

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