What happens if too much refrigerant is added to a car's air conditioning system?

1 Answers
Tyra
07/29/25 1:34pm
Adding too much refrigerant to a car's air conditioning system can trigger high-pressure alarms, result in the air conditioning not cooling or reduced cooling efficiency, and even cause the air conditioning pipes to burst. Here are the specific symptoms of overcharging the car air conditioning refrigerant: 1. If too much refrigerant is added, it causes the suction and discharge pressures in the air conditioning system to become excessively high. If the system can still operate, it becomes difficult to lower the temperature. 2. The current value measured at the compressor's power supply will be noticeably higher. Prolonged operation under these conditions can easily burn out electrical components. 3. Overcharging the refrigerant can fill the condenser completely, reducing the available heat exchange area. After running for a while, high-pressure protection will activate.
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