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:

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 ...

Operating ParkPilot
Fig. 120 In the rear bumper: ParkPilot ultrasound sensors First read and observe the introductory information and safety warnings The ParkPilot uses ultraound sensors to determine the distance between the rear bumper and an obstacle. There are 4 ultrasound sensors in the rear bumper   ...

Rain/light sensor
Fig. 75 Windscreen wiper lever: setting the rain/light sensor Ⓐ Fig. 76 Sensitive surface of the rain/light sensor First read and observe the introductory information and safety warnings When the rain/light sensor is activated, it automatically controls the frequency of the wiper inte ...