Volkswagen Golf Service & Repair Manual: Characteristics of refrigerant R134a

Refrigerant R134a

Air conditioners in vehicles use the evaporation and condensation process. The system contains a liquid with a low boiling point, called the refrigerant. ...

Trade names and designations

Refrigerant R134a is currently available under the following trade designations: H-FKW 134a SUVA 134a ...

Other materials:

Removing and installing exterior mirror adjuster -EX11-
  Note The removal and installation procedures are described for LHD vehicles. Removal and installation for RHD vehicles are similar. Removing   Caution Danger o ...

Removing and installing tail light in rear lid
  Note Removal and installation are described for the left side. Removal and installation on the right side are carried out in the same way. If the event of a defective LED, the entire tail light needs to be rene ...

Function of air quality sensor -G238-
The air quality sensor detects noxious substances in the ambient air (primarily petrol and/or diesel fumes). The Climatronic control unit -J255- evaluates the signal from the air quality sensor -G238-. The air conditioning system i ...