When the refrigerant leaves the expansion valve it's a low pressure liquid which allows it to evaporate to a low pressure vapor after it leaves the evaporater and enters the compressor. Liquids are not good for compressors it causes overheating and high amp draw
Hi Thanks for the video Why when I switch on Ac on my ford car , The compressor will click two to three times at the beginning before back to normal , And the compressor brand new .