Car Heater Not Working

Why is the heater not working.

Car heater not working. How to fix it if your car heater isn t blowing any air check if the blower motor receives power. After removing the blower you may find that the squirrel. Low coolant may prevent any from circulating through. A blower fan that isn t working properly.

It s not always easy to diagnose heater problems. The first thing to be affected will be the heater core since it is higher than the engine there might not be enough coolant to reach it. A bad thermostat that isn t allowing the engine to properly warm up. If it receives power check if the blower motor is burned out.

If this unit is stuck open the engine will stay at a low temperature which created little to no heat for the. A low antifreeze water level in the radiator due to a leak in the cooling system. If coolant level is low check the system for leaks. Even if you re missing a little coolant from the system the engine can still run at the correct operating temperature.

Check the door operation by moving the heat control from hot the cold while listening for. Ken mattson owner of len s automotive in bellevue wash says a car heater can stop working for a number of reasons including. Sometimes it can cost up to four figures if you have a bum heater core other times it s as easy as a broken switch or dial on your dash. Coolant air lock did you top off the coolant as described above.

Here is what to check if your heater or defroster isn t working.