⁂❅IMPORTANT NOTE - Please clean The cooling system pipe of the your car ,Before installing the compressor, If the cooling system pipe stuck,it will cause the compressor burn out due to the Large pressure.Flushing is the best way to get old oil and any solid contaminants when replacing any of the parts of an automotive air conditioner system. When a part fails, for example your A/C compressor, possibly metal shavings may be present in the system.