Where Does the Refrigerant Leak in a Car Air Conditioner Usually Occur?

[DiHector]

Refrigerant leaks in car air conditioners typically occur at the joints of the air conditioning pipes, the expansion valve, the compressor, the evaporator, and other components. Below are detailed explanations of the causes of refrigerant leaks in car air conditioners: 1. Pipe failure. When laying the connecting pipes between the indoor and outdoor units of the air conditioner, if the bending angle of the pipes is too small, it can cause the pipes to crack and leak refrigerant or result in no refrigerant. When laying the connecting pipes between the indoor and outdoor units, the bending radius of the pipes should be appropriately increased to prevent the pipes from being bent too sharply. Leaking pipes should be promptly repaired or replaced. 2. Leak points in the refrigeration system. When replacing parts of the refrigeration system, if the parts are not installed tightly during secondary installation, leak points for refrigerant can develop in the pipes and the refrigeration system. Apply a moderately thick soapy water solution to the entire refrigeration system pipes and welded areas to check for leaks. The testing conditions require the refrigeration system to be filled with nitrogen or refrigerant. Pay close attention to areas with oil stains on the pipes, identify the leak points one by one, and repair or replace the parts based on the actual situation.