Volkswagen Polo Service & Repair Manual: Refrigerant R134a

Refrigerant R134a Vapor Pressure Table

The vapor pressure table for every refrigerant is published in literature for refrigeration system engineers. This table makes it possible to determine the vapor pres ...

Refrigerant R134a Physical Data

Vehicle air conditioning systems make use of the vaporization and condensation process. In this case, one works with a substance which boils easily, designated as ref ...

Other materials:

Important Information when Working with the A/C Service Station
  Caution If it is suspected that chemicals were added to the refrigerant circuit to seal leaks, do not connect the A/C service station and do not extract the refrigerant. ...

Warning and indicator lamps
First read and observe the introductory information and safety warnings  Lit up Possible cause   Solution Handbrake is applied. Release the handbrake   . Brake system fault. Do not drive on! Obtain profe ...

Checklist
In some countries, special safety standards and emissions-related legislation apply that may differ form the construction of the vehicle, Volkswagen recommends that you visit your Volkswagen dealership before travelling abroad to find out about any legal requirements and the following is ...