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:

Overview of the front passenger side
Fig. 9 Overview of the front passenger side (left-hand drive vehicles). The controls are mirrored in right-hand drive vehicles Key for : Vent   , Location of front passenger front airbag in the dash panel Key-operated switch in the stowage compartment for switch ...

4-Pin Heated Oxygen Sensor (HO2S), Removing and Installing
  Note Do not repair the heated oxygen sensor wires. Repairing may result in malfunctions. Use the faulty sensor as a guide for installing all of the accompanying attachments, cable ties or marking bands. ...

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 ...