Why Is There No Warm Air from the Car Air Conditioner?

1 Answers
Emilia
07/30/25 3:16am
Reasons for no warm air from the car air conditioner: 1. Engine thermostat failure; 2. Hot water valve or hot water valve vacuum actuator failure; 3. Heater inlet/outlet hose blockage or heater core clogged with deposits; 4. Temperature control damper or control cable damage; 5. Air conditioner blower damage or blower control circuit malfunction; 6. Air conditioner air distribution pipe blockage or air leakage. A car air conditioner refers to the air conditioning device installed in a vehicle, which can cool, heat, ventilate, and purify the air inside the cabin, providing a comfortable riding environment for passengers, reducing driver fatigue, and improving driving safety.
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