with the hvac system the module or door wont open to heat you just hear the flap on 2003 Ford Explorer

the ac works fine no heat flap over and over

by in Cabot, PA on March 28, 2012
1 answer
ANSWER by , March 28, 2012
YOU MAY HAVE A BLEND DOOR ACTUATOR THAT IS BAD. THE GEARS ARE MOST LIKELY STRIPPED.