What to Do When the Car Air Conditioner Blows Cold Air but the Cabin Doesn't Cool Down?

1 Answers
EloiseRose
07/29/25 10:02pm
Possible causes include insufficient cooling capacity of the air conditioner, poor heat dissipation leading to inadequate cooling, or poor cabin sealing. Here is relevant information: 1. Fault Diagnosis and Troubleshooting: Hot air entering through gaps in the air ducts—repair the sealing strips. Poor operation of the control dampers in the heater assembly or misadjusted control cables—repair the linkage or replace the heater assembly. 2. Working Principle: The car air conditioning refrigeration system consists of a compressor, condenser, liquid storage dryer, expansion valve, evaporator, and blower. These components are connected by copper (or aluminum) pipes and high-pressure rubber hoses to form a sealed system. When the refrigeration system operates, the refrigerant circulates in different states within this sealed system, with each cycle consisting of four basic processes.
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