Why is the car heater not blowing hot air?

1 Answers
VanKevin
07/30/25 6:14am
The reasons why the car heater is not blowing hot air are: 1. Engine cooling system failure; 2. Incorrect position of the heater baffle; 3. Lack of antifreeze; 4. Faulty heat circulation system. The functions of the car heater system are: 1. To provide warmth inside the car and increase the interior temperature; 2. To defrost. The working principle of the car heater system is: a complete set of devices that blows cold air onto the surface of the heat exchanger, absorbs its heat, and directs it into the car, thereby increasing the interior temperature. The car heater systems are divided into: 1. Water-based heater system; 2. Air-based heater system; 3. Independent combustion heater system; 4. Combined preheating heater system.
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