my 1996 ford windstar van heat is blowing luke warm air
Dec 17, 2010 at 9:00 AM
JACOBANDNICKOLAS
✓Experienced Mechanic
110,246 POSTS
Make sure the coolant is full, the engine is running at operating temp, and the thermostat is good. If that is all good, flush the entire cooling system including the heater core (reverse flush the heater core too).