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:

Engine oil specification
First read and observe the introductory information and safety warningsThe engine oil used must correspond exactly to specifications. The correct engine oil is important for the function and service life of the engine. A special high quality multigrade oil has been filled at the factory and t ...

Refrigerant R134a Environmental Information
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 ...

Belt height adjuster
Fig. 54 Next to the front seats: belt height adjuster First read and observe the introductory information and safety warnings The seat belt height adjusters for the front seats can be used to adjust the position of the seat belt on the shoulder so that it can be fastened properly: Pus ...