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:

Siemens Wheel Electronics Tire Pressure Monitoring Sensor, Removing and Installing
  WARNING If tire sealant was used, then the wheel electronics on that particular wheel must be replaced. The Siemens wheel electronics does not have a microencapsulated ...

Electrically-Driven A/C Compressor for High Voltage System
  Caution Non-approved tools or materials such as leak sealing additives can cause damage or malfunctions in the system. Only use tools and materials approved by the manufactu ...

Valve, Removing and Installing, Rubber Valve
Make sure wheel rim is clean.     –  Using the Valve Fitting Tool Valve Fitting Tool -VAS6459--1-, insert a new tire valve. –  Remove the valve insert. ...