C. E. L.

[Steve Scalmanini]

Do I recall correctly from a few years back that there is a second drain that is lesser known but that can clog and cause ... the A/C condensation to flow into the passenger footwell?  Can anyone reference that post or reexplain? 

Steve 
 
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...
The main drain for the HVAC area is a one-way rubberish valve (to keep
varmints out, I guess) located toward the firewall between the heater core
box and the A/C evaporator box.  ...