Question about 2007 Ford Edge SEL Plus

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White powder coming from the heater vents

When ever i run the heater or defrost i get a white powder coming from all the vents

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Its a fungus from running the air the drain hole is probably clogeed and it dont drain right so calcium builds up try running the heater and spraying lysal in the vent on the outside by the windshield

Posted on Dec 09, 2009

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THERE IS A TSB STATING THAT FLUX FROM WELDING THE HEATER CORE ASSEMBLY IS DRYING AND WILL DISLODGE FROM THE CORE AND FLY THROUGH YOUR VENTS, TSB STATES TO REMOVED BLOWER MOTOR ASSEMBLY AND USE SHOP AIR 90-100 PSI AND BLOW OUT HVAC BOX AND VENTS.

Posted on Jan 18, 2010

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