Why Does My Car Heater Not Work?

Answer

There are quite a number of reasons why your car heater is not working. These include a low coolant level, plugged heater core, misadjusted blend air door, worn out thermostat and damaged heater core.
Q&A Related to "Why Does My Car Heater Not Work"
Hot coolant from the engine passes through the winding tubes of the core, used to increase surface heat. A fan blows air on the tubes and transfers heat from the tubes to the passenger
http://www.ehow.com/facts_7296175_car-heater-core_...
1. Inspect the heater system for blockages and broken parts. Make sure the heater hoses are in good condition. If your car has a summer valve on the engine block, make sure the valve
http://www.wikihow.com/Repair-a-Car-Heater
Magaret Wilcox.
http://wiki.answers.com/Q/Who_invented_car_heater
The heater line runs the heat from heater core and heater fan, through the heating
http://www.chacha.com/question/what-is-a-heater-li...
1 Additional Answer
Your car heater is not working because it might have overheated due to excessive heat. In addition, it might be having a default or a problem with the heater control valve and it is advisable to call a mechanic who will check the car.
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