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:

Critical Point
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 refrigerant. The refrigerant employed is tetrafluoroethane R134a, which bo ...

Automatic belt retractor, belt tensioner, belt tension limiter
First read and observe the introductory information and safety warnings The seat belts in the vehicle are part of the vehicle safety concept and include the following important functions: Automatic belt retractor The seat belts on the driver seat and front passenger seat, as well as those ...

Electric panorama sliding/tilting glass roof – function
First read and observe the introductory information and safety warnings Convenience opening and closing The electric panorama sliding/tilting glass roof can be opened and closed from the outside with the vehicle key. Press and hold the locking or unlocking button on the vehicle key. The e ...