Volkswagen Golf Service & Repair Manual: Clearing refrigerant circuit of contaminants

Detecting leaks in refrigerant circuit using leak detecting system -VAS 6196- or leak detecting system -VAS 6201- or a later model

  Note Small leaks can be detected with, for example, an UV leak detector additive. –  Evacuate refrigerant circuit using a ...

Blowing through refrigerant circuit with compressed air and nitrogen

Use compressed air to force moisture and other contaminants out of the refrigerant circuit and use nitrogen to force moisture out of the refrigerant circuit. ...

Other materials:

Effects on metal
In its pure state, refrigerant R134a is chemically stable and does not attack iron or aluminium. However, impurities such as chlorine compounds in the refrigerant do attack certain metals and plastics. This can lead to blockages, leaks a ...

Buffing cloth, white -VAS 6176
Designation: Buffing cloth, white -VAS 6176- Product description: Extremely soft cloth for delicate, demanding polishing. A combination of viscose and polyester fibres make the cloth particul ...

Cleaning and caring for the dash panel, wooden trims and plastic parts
First read and observe the introductory information and safety warnings  Moisten a clean, lint-free cloth with water and clean the parts. Treat plastic parts (inside and outside the vehicle) and the dash panel with a special solvent-free plastic cleaning and care product that has b ...