How to Repair an Air Conditioning Compressor?
2 Answers
It is recommended to have a professional technician inspect and repair it based on the actual situation. The relevant introduction is as follows: 1. The air conditioning compressor plays a role in compressing and driving the refrigerant in the air conditioning refrigerant circuit. The air conditioning compressor is generally installed in the outdoor unit. The air conditioning compressor draws the refrigerant from the low-pressure area, compresses it, and sends it to the high-pressure area for cooling and condensation. The heat is dissipated into the air through the heat sink, and the refrigerant changes from a gaseous state to a liquid state, with the pressure increasing accordingly. The working circuit of the air conditioning compressor is divided into an evaporation area and a condensation area. 2. The indoor unit and outdoor unit of the air conditioner belong to the low-pressure or high-pressure area, respectively. The refrigerant then flows from the high-pressure area to the low-pressure area and is sprayed into the evaporator through the capillary tube, causing a sudden pressure drop. The liquid refrigerant immediately turns into a gaseous state, absorbing a large amount of heat from the air through the heat sink. As the air conditioning compressor continuously operates, it continuously absorbs heat from the low-pressure area into the refrigerant and then sends it to the high-pressure area to dissipate into the air, thereby regulating the temperature.
Repairing an air conditioning compressor is actually quite complex, so I recommend leaving it to professional technicians for a safer solution. If you decide to tackle it yourself, first inspect the vehicle's refrigeration system to check if the compressor is humming but not working—this could indicate a blown fuse or a faulty solenoid valve. Next, use a pressure gauge to measure the refrigerant pressure; if it's too low, there might be a leak that needs patching. If the compressor is truly broken, you'll need to remove the belt, carefully disassemble the compressor components, and replace the O-rings and seals. After reassembly, it's essential to vacuum the system and recharge it with the correct amount of refrigerant to test performance. The entire process involves high-pressure refrigerant, and improper handling can lead to explosions or eye injuries. That's why it's best not to attempt this at home—seek a professional repair shop instead. Additionally, why do air conditioning compressors fail? Possible causes include a loose belt or system contamination leading to excessive wear. Regularly cleaning the filter and checking belt tension can help prevent issues before they arise.
