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:

Refrigerant Circuit with Restrictor and Reservoir
Arrows point in direction of refrigerant flow. A-Low pressure side of refrigerant circuit. B-High pressure side of refrigerant circuit.         Component Aggregate state of refrigerant ...

Water Content
Only very small amounts of water are soluble in liquid refrigerant. On the other hand, refrigerant vapor and water vapor mix in any ratio. Only a small drop of water may get into the refrigerant circuit. The dryer, dryer bag or dryer car ...

Run-Flat Tire, Retrofitting/Conditions for use of Run-Flat Tires
  Caution Using run-flat tires on vehicles is permitted only if the run-flat tire is supplied with the vehicle either as standard equipment or as an option. Because pressure ...