Why is no air coming out of my heater?
Why is no air coming out of my heater? The heater core may also leak coolant. The heater core is clogged from debris in the cooling system. If debris has caused a clog in the heater core, it will need to be replaced. A faulty blower motor. You’ll know this is the problem if no air comes out of the vents when you turn on the heater. Is there no heat after flushing a radiator? No Heat After Flush: I Flushed My Radiator and Now I Have No Heat... I flushed my radiator and now I have no heat. While...