How to Add Refrigeration Oil to a Car Air Conditioner?

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Car air conditioner refrigeration oil can be added by following these steps: 1. Open the car hood and locate the high and low-pressure pipes of the air conditioning system. 2. Check if the filling valve is qualified. 3. Connect the red and blue pipes of the air conditioning pressure gauge equipment to the high and low-pressure pipes of the air conditioner, and connect the yellow pipe to the vacuum oil extractor. 4. Close the vacuum machine and remove the high-pressure pipe. 5. Shake the bottle up and down before use and add an appropriate amount from the compressor channel. The car air conditioner, short for car air conditioning device, is used to adjust and control the temperature, humidity, air cleanliness, and air flow inside the car compartment to an optimal state. It provides passengers with a comfortable riding environment, reduces travel fatigue, creates good working conditions for the driver, and ensures driving safety.