Volkswagen Golf Owners Manual: At the filling station

Operation

First read and observe the introductory information and safety warnings The auxiliary heater exhaust system, located under the vehicle, must not be blocked by snow, mud or other items. The exhau ...

Filling the tank

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Other materials:

Without needing to purge refrigerant circuit of contaminants (cleaning), e.g. in cases of external damage after an accident
Drain refrigerant circuit. –  Remove air conditioner compressor.   Note If a different air conditioner compressor with other refrigerant oil is fitted, purge the refrigerant circuit with R134a r ...

Removing and installing trim panel
  Note   Removal and installation are described for the trim panel on driver side. Follow same instructions for the front passenger side as appropriate.   Removal and installation are illustrated for 4-door vehicles. ...

Restrictor
The restrictor creates a restriction. This restriction limits the flow, separating the high-pressure and low-pressure sides in the refrigerant circuit. Upstream of the restrictor, the refrigerant is warm due to the high pressure. Downstream of the restri ...