How to Solve Poor Car Air Conditioning Performance?

2 Answers
OEthan
08/26/25 3:22am
The reasons and solutions for poor air conditioning performance are as follows: 1. Refrigerant leakage: The refrigerant in the air conditioning system has completely leaked out, resulting in no refrigerant and thus the air conditioner not cooling. You can check the pipelines, air conditioning pump, condenser, evaporator, and other components in the air conditioning system for damage that may cause refrigerant leakage. Another inspection method is to add fluorescent dye along with the refrigerant. After driving the vehicle for a week, use a specialized UV lamp to check the air conditioning system. If any leakage points glow, it indicates that the component is damaged. 2. Internal damage to the air conditioning pump: This prevents the cooling effect from starting, and a damaged air conditioning pump usually produces abnormal noises. Therefore, inspect the air conditioning pump, and if it is damaged, it needs to be replaced. After replacement, normal function can be restored.
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Mckenzie
09/08/25 3:52am
My car's AC isn't cooling well anymore. As a driver with over a decade of experience, I often encounter similar issues. First, check if the cabin air filter is clogged with dirt, as dust buildup can obstruct airflow. I clean or replace the filter myself every season – usually it's located behind the glove compartment and can be rinsed or replaced. If the filter is fine, then check whether the refrigerant is low or leaking. This requires using a pressure gauge for measurement; if readings are low, visit a professional shop for recharge or pipeline inspection. The cooling fan's operation sound is also crucial – a stuck or non-functioning fan renders the AC useless. Additionally, regularly clean leaves and dirt from the condenser, as poor heat dissipation leads to weak cooling. During hot summer days, I recommend preventive maintenance – get a comprehensive AC check before summer arrives. It's affordable but highly effective. Remember: if you detect odd smells or reduced airflow, address it immediately. Prolonged use of a malfunctioning AC harms your health.
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