Volkswagen Polo Service & Repair Manual: A/C Technology Basic Principles

Additional Information Sources

Technical Service Handbook outlining action to be taken to rectify current problems. For the repair manual for model-specific repair work. Refe ...

Physical Principles

The four known states of water also apply to air conditioning system refrigerants. 1 -  gaseous (invisible) 2&n ...

Other materials:

Product Characteristics
Refrigerants used in motor vehicle air conditioning systems belong to the new generation of refrigerants based on chlorine-free, partially fluorinated hydrocarbons (H-FKW, R134a). With regard to their physical properties, these are ...

Starting the engine
First read and observe the introductory information and safety warnings  The steps should only be carried out in the specified order. Step Vehicles with a manual gearbox Vehicles with an automatic gearbox 1. ...

Refrigerant Circuit Pressures and Temperatures
  WARNING When performing work on refrigerant circuit, observe all generally applicable safety precautions and pressure vessel regulations. The pressures and temperatures in ...