Volkswagen Tiguan Service and Repair Manual > Refrigerant Circuit, Removing Contaminants: Refrigerant Circuit, Flushing with Compressed Air and Nitrogen
General Information
In order to be able to force moisture and other contaminants out of
refrigerant circuit, compressed air and nitrogen (to force moisture out of
refrigerant circuit) are to be used.
For the most part, blowing through the refrigerant circuit with
compressed air and nitrogen ...