heater on 1997 Ford Explorer

is the blend door the one that i see opening and closing behind the glove box when i switch from air to heat? my radiator hoses arehot ,my heater core hoses are hot, put in two thermostats 5.00 ones still not getting heat can you help

1 answer
yes the blender door will move when you switch from hot to cold if is moving but is broke inside then you have a problem.