Why is my heater not working in my car?
Ken Mattson, owner of Len’s Automotive in Bellevue, Wash., says a car heater can stop working for a number of reasons, including: A low antifreeze/water level in the radiator due to a leak in the cooling system.
A bad thermostat that isn’t allowing the engine to properly warm up.11 Dec 2013
Why is my car blowing out cold air when the heat is on?
Hot coolant from the engine passes through a heater core, which looks and functions a lot like a small radiator, and a blower motor forces air through it. It’s also the reason that a plugged heater core, stuck thermostat, or air in the cooling system can all cause a car’s heater to blow cold.9 Nov 2019
Is there a fuse for car heater?
The motor is usually earthed to the body by a separate wire. In most cars the heater motor is situated under the centre of the dash, which makes it rather inaccessible. In some cases, however, the motor is under the bonnet at the rear of the bulkhead. The most common cause of any problem is a blown fuse .
How does the heater work in a car?
The heater fan blows air through the heater core and into the passenger compartment of your car. A heater core looks like a small radiator. The heater core draws its hot coolant from the cylinder head and returns it to the pump — so the heater works regardless of whether the thermostat is open or closed.