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:

A/C Service Station, Connecting for Measuring and Testing
  Caution If it is suspected that chemicals were added to the refrigerant circuit to seal leaks, do not connect the A/C service station and do not extract the refrigerant. ...

Warning and indicator lamps
First read and observe the introductory information and safety warnings  Lit up Possible cause   Solution Handbrake is applied. Release the handbrake   . Brake system fault. Do not drive on! Obtain profe ...

Indicator lamps
First read and observe the introductory information and safety warnings Lit up Possible cause Solution Engine management system fault (Electronic Power Control). The engine should be checked by a qualified workshop as s ...