What's the reason for no warm air in the car?
2 Answers
The reasons for no warm air in the car are: 1. Clogged heater core; 2. Thermostat failure; 3. Heater valve malfunction. Car air conditioning refers to the air conditioning device installed in the car, which can cool, heat, ventilate and purify the air in the compartment, providing a comfortable riding environment for passengers, reducing the driver's fatigue and improving driving safety. Car air conditioning generally includes refrigeration devices, heating devices and ventilation devices. This combined device makes full use of the limited space inside the car, with a simple structure and easy operation, making it the currently popular modern car air conditioning system.
Last time I drove, I also encountered the issue of no warm air in the car, which really made me shiver from the cold. There are many common causes, such as insufficient or contaminated coolant, preventing the heater core from functioning properly; the thermostat in the cooling system stuck in the closed position, preventing heat from reaching the cabin; the heater itself being clogged or leaking, requiring cleaning or replacement; faults in components of the air conditioning and heating control system, like a broken blower resistor or stuck air door; blocked ducts or incorrect settings may also obstruct airflow. Driving without warm air in winter is quite dangerous, as windows may fog up affecting visibility, or the cold may cause shivering and distraction, increasing the risk of accidents. It's recommended to first check if the coolant level is adequate and look for any leaks or unusual odors in the hoses; if that doesn't help, seek a professional technician for diagnosis to avoid worsening the problem by delaying. Regular maintenance, including cleaning the ventilation system, can prevent such issues.
