What are the reasons why a truck's air conditioning is not cooling despite not being broken?

1 Answers
TylerAnn
07/25/25 10:52am
Truck air conditioning not cooling can be attributed to four most common reasons, as detailed below: 1. Quality and purity of refrigerant: The quality and purity of refrigerant play a crucial role in vehicle air conditioning systems. Typically, inferior refrigerant can lead to inefficient operation of the air conditioning. 2. Condenser and radiator: The heat dissipation condition of the condenser and radiator also affects the performance of the air conditioning. Prolonged lack of cleaning can result in the condenser and radiator being covered with debris and dust. 3. Refrigerant usage: Many vehicle owners believe that more refrigerant is better for the air conditioning, but this is not the case. During the refrigerant charging process, the amount should neither be too much nor too little. Too little refrigerant will cause insufficient pressure in the air conditioning pipes, while too much will result in excessive pressure. In both scenarios, the air conditioning cannot operate normally to provide cooling. 4. Quality of the expansion valve: The expansion valve is a critical component in the refrigeration system, usually installed between the liquid storage tank and the evaporator. A substandard expansion valve can prevent the refrigerant from functioning as intended.
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