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:

Certificate of Conformity
The vehicle manufacturer must request an EU type approval for all passenger vehicles (vehicle class M1). A certificate of conformity is produced based on this type approval. This document confirms that the vehicle confor ...

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 ...

Secondary Lock
The secondary lock is a housing securing mechanism (second locking mechanism) that secures all wires in one contact housing. If a secondary lock is installed at a contact housing, it must always be opened or removed using specified tool before releasing ...