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:

Indicator lamp for the tyre monitoring system
First read and observe the introductory information and safety warnings  Lit up Possible cause   Solution The tyre pressure of one tyre or several tyres has decreased considerably in comparison to the tyre pressure set by ...

Checking the coolant level and refilling coolant
Fig. 139 In the engine compartment: mark on the coolant expansion tank Fig. 140 In the engine compartment: coolant expansion tank cap First read and observe the introductory information and safety warningsThe warning lamp for the engine coolant will light up if the engine coolant level i ...

Expansion Valve
  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 ...