What are the reasons for intermittent car air conditioning performance?

1 Answers
BraydenFitz
07/29/25 6:22pm
Here are the reasons for intermittent car air conditioning performance: 1. Check the air conditioning radiator: See if there is a lot of dirt. If the radiator is heavily soiled, slow heat dissipation can cause the air conditioning to malfunction. 2. Check the compressor: See if it is starting. If the compressor starts and stops intermittently, this can also cause this phenomenon. 3. Check the refrigerant lines for leaks. Insufficient refrigerant can also lead to intermittent air conditioning performance, and adding refrigerant can solve the issue. Below are the four basic processes of car air conditioning operation: 1. Compression process: The compressor absorbs low-temperature, low-pressure refrigerant gas from the evaporator outlet and compresses it into high-temperature, high-pressure gas, which is then discharged from the compressor. 2. Heat dissipation process: The high-temperature, high-pressure gas discharged from the compressor enters the condenser. As pressure and temperature decrease, the refrigerant gas releases a large amount of heat and turns into a liquid. 3. Throttling process: The higher-temperature and higher-pressure refrigerant liquid passes through the expansion device, where its volume increases, and its pressure and temperature drop sharply, exiting the expansion device as a mist or fine droplets. 4. Heat absorption process: The mist or fine droplet refrigerant liquid enters the evaporator, absorbing a large amount of surrounding heat during the evaporation process, and then the low-temperature, low-pressure refrigerant vapor re-enters the compressor.
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