What are the causes and solutions for car air conditioning not cooling?

1 Answers
GarrettMarie
07/25/25 4:27pm
Here are the causes and solutions for car air conditioning not cooling: 1. The air conditioning compressor belt is too loose. If you turn on the air conditioning in the car and hear a "squeaking" sound, you should pay attention - the likely cause of poor cooling is a loose compressor belt. In this case, the compressor belt needs to be tightened. Additionally, since these belts are made of rubber, they have a limited lifespan. If the belt has aged and become unusable, it needs to be replaced. 2. Insufficient refrigerant. The common refrigerant code is R134A. Insufficient refrigerant affects the cooling performance of the air conditioning system, resulting in inadequate cooling. Generally, the refrigerant operates in a relatively closed environment. However, after prolonged use of the vehicle, components in the air conditioning system may age or wear out, potentially causing refrigerant leaks and insufficient refrigerant levels.
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