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:

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 ...

Stopping the engine
First read and observe the introductory information and safety warnings  The steps should only be carried out in the specified order. 1. The vehicle must be completely stationary  . 2. Press the brake pedal. Keep ...

Support Mode with Battery Charger -VAS5903
General Information The support mode provides the vehicle electrical system with voltage when the battery is removed or disconnected. For more information. Refer to Battery Charger -VAS5903- Operating Instructions. ...