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 ...

Empty Refrigerant Circuit
–  Remove malfunctioning component. –  Remove the A/C compressor. –  Remove oil drain plug from A/C compressor.   Note To speed up refrigerant oil drai ...

Ignition lock
Fig. 107 Positions of the vehicle key in the ignition lock First read and observe the introductory information and safety warnings The steering lock can be activated when there is no vehicle key in the ignition lock. Vehicle key positions   Ignition switched off. The vehicle key ca ...