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:

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   ...

Diesel particulate filter
First read and observe the introductory information and safety warningsThe diesel particulate filter filters out soot particles in the exhaust gas. The soot particles gather in the filter and are burnt under high temperatures periodically (regeneration). Heat produced can warm the engine. ...

Run-Flat System PAX, Examining Support Ring
As with the tire, the supporting ring is generally not replaced after driving with flat tire.     Replace the support ring if the following damages have occurred: Blowouts or mis ...