Interior leaks, any BTDT? solved

Brian Larson brian.erin at
Sat Apr 15 12:39:51 EDT 2006

Just letting everyone know my wet carpets were indeed caused by the plugged
drain in front of the A/C evaporator box.
Thanks for the help!

Re: Interior leaks, any BTDT?
Footwell moisture frequently comes from a plugged drain in the HVAC well
under the rain diverter cover at the base of the windshield.  If you pull
that cover (take off wiper arms, pry up clips and the hood seal), and look
down into the bottom of the well in front of the plumbing that connects the
A/C evaporator box from the heater core/blower box, there's a rather large
rubber grommet that has a flapper drain.  The latter is a flattened rubber
tube that spreads open to allow water out.  Drains often are plugged with
vegetation like leaves, pine needles, acorns, etc.  You can stick a wooden
dowel about 1/4" to 3/8" into the drain to spread the sides of the tube.

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