How to repair the car air conditioner?

1, whether the cooling medium pressure is normal. (Check for any leaks)

2. Whether the compressor works normally. (Some only rotate without compression)

3. Whether there is water and impurities in the pipeline. (In the past, when adding cooling medium, water was mixed or rubber fell on the road. )

4. Check whether the front radiator is blocked or falls off (poor heat dissipation will lead to poor heat dissipation).

5. Check whether the condenser is blocked (even if the refrigeration is good, it will not work if it is blocked).

6. Check whether the drying bottle and the inflation valve are blocked. (This requires the judgment of a professional mechanic)