1999 Ford Windstar Q&A

1999 Ford Windstar Question: Heater blows out cold air this started 2 days ago.Is it the thermostat.

This problem just started a couple days ago. -
Answer 1
If it don't run hot,it's not the thermostat.Check the water level in the radiator and if that don't work then the heater core is stopped up. -
Answer 2
A leak any where in the coolant system could cause an air pocket in the heatern core. -
Answer 3
The fan is broken -