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:

General notes on tyre noise
Tyre noise that can be heard by the human ear is caused by vibrations which are transmitted by the air from the source of the sound to our ears. Of interest here are the noises caused by certain characteristics and effects while the tyre ...

Removing and installing front footwell light -K269-, front passenger side
Removing     –  Using a flat screwdriver, press in locking lug -1- at point indicated by arrow -A-. –  Lever out footwell light -2-. –& ...

Removing and installing coolant pipes at heat exchanger (Valeo)
  Note There are different designs and makes of heater and air conditioning unit. The individual components of the various heaters and air conditioning units are similar but not identical (distinguishing features → Chapter). The c ...