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:

Tires, Reinforced, Extra Load
Some time ago, the designation “Reinforced” was replaced with the designation “Extra Load” by some tire manufacturers. In countries outside Europe, this designation has been conventional for some time. There are no technical differences. ...

Refrigerant Oil
Refrigerant oil mixes with the refrigerant (about 20 - 40%, depending on compressor type and amount of refrigerant) and circulates constantly in the system, lubricating the moving parts. Special synthetic refrigerant oils, for example, ...

New wheels and tyres
First read and observe the introductory information and safety warningsNew tyres Drive particularly carefully for the first 600 km with new tyres as the tyres have to be run in. Tyres that have not been run in have reduced grip and braking effect . All four wheels must be fitted ...