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:

Ultrasound A/C Cleaner -VAS6189B
The Ultrasonic HVAC Cleaning System -VAS6189A- is placed in the front passenger footwell and sprays Aero-Clean. Aero-Clean neutralizes microbes and bacteria inside the heater and A/C unit. The unit comes with Operating Instructions. ...

A/C Pressure Switch -F129
  Note For switching pressures, removing and installing switches and switch arrangement and version, see vehicle-specific refrigerant circuit. Refer to → Rep. Gr.87.     ...

Evacuating and Charging Valve, Low Pressure Side
Special tools and workshop equipment required Torque Wrench 1783 - 2-10Nm -VAG1783- with Torque Wrench 1783 - 1/4" Drive Ratchet -VAS6234-   WARNING There is a dan ...