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:

Support Mode with Battery Charger -VAS5095A
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 -VAS5095A- Operating Instructions. ...

Leaks or Internal Damage, for Example Noises or No Output
  Note For vehicles with an electrically-driven A/C compressor, de-energize the high voltage system before removing the A/C compressor. Refer to → Electrical System Hybrid; Rep. Gr.93. –  Dischar ...

Fault in the function of the automatic gearbox
First read and observe the introductory information and safety warnings Emergency programme There is a fault in the system if all the displays on the instrument cluster for the selector lever positions have a light background. The automatic gearbox is running in an emergency programme. The ...