What Causes Poor Cooling Performance in a Van's Air Conditioning System?

1 Answers
McKira
07/30/25 5:55am
The reasons for poor cooling performance in a van's air conditioning system include insufficient or excessive refrigerant, uncleaned air conditioning components, and excessive moisture in the dryer tank. Below are detailed explanations: 1. Insufficient or excessive refrigerant: The refrigerant's role is to transfer heat within the refrigeration system to achieve cooling. The air conditioning system requires a specific amount of refrigerant for optimal performance. If the refrigerant level is too low, it won't provide adequate cooling, or if it leaks, the refrigerant can deteriorate. Lower-quality refrigerants degrade faster, leading to poor cooling performance. 2. Air conditioning cleaning: There are two main components that need cleaning: the air filter and the air conditioning ducts. The air filter's purpose is to trap dust from the air, ensuring clean airflow inside the vehicle. If the air filter becomes too dirty and clogged, cold air cannot circulate properly, resulting in a lack of cooling. 3. Excessive moisture in the dryer tank: The dryer tank in the air conditioning system is crucial as its primary function is to absorb excess moisture from the pipelines. If the dryer tank is damaged and cannot absorb the excess moisture, the moisture can freeze in the expansion valve's throttle orifice, blocking the refrigerant flow and significantly reducing cooling efficiency.
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