Why does the car air conditioning stop cooling after running for a while?
1 Answers
When a car's air conditioning stops cooling after running for a while, it is mostly due to the condenser being covered by pollutants, so regular cleaning is necessary. You can choose to clean it with an air gun or a water gun. Air gun cleaning is simple, relying on a high-pressure air nozzle to blow away the pollutants, but the downside is that it creates a lot of dust. Water gun cleaning involves using a water gun to wash away the pollutants, but it's important to ensure the water pressure is not too high and to maintain a certain distance. More relevant information is as follows: 1. Cleaning the condenser: If the condenser and filter inside the air conditioning system are too dirty, they need to be cleaned promptly. Many people are usually too lazy to clean the condenser, allowing dust to accumulate and thicken, leading to poor heat dissipation and severely affecting the cooling performance. 2. Clogged filter: Another reason could be a clogged air conditioning filter, which can cause the car's air conditioning to stop cooling. In this case, the filter should be cleaned. If the filter is severely damaged, it should be replaced with a new one. 3. Insufficient refrigerant in the air conditioning system: If the air conditioning still doesn't cool, it's likely due to insufficient refrigerant in the system. Since less refrigerant is sprayed from the expansion valve into the evaporator, the refrigerant absorbs less heat, resulting in poor cooling performance. In this case, refrigerant should be added. However, it's important to note that the refrigerant bottle should not be held upside down.
