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:

Primary Lock
The primary lock is the locking mechanism of an individual crimp contact in the contact housing. If necessary, housing securing mechanisms (secondary locks) must be released or removed using specified tool before releasing the contacts. ...

SAFELOCK mechanism
First read and observe the introductory information and safety warnings Depending on the vehicle equipment level, the vehicle may have a SAFELOCK mechanism and an anti-theft alarm . Function Action Locking the vehicle and activating the SAFELOCK mechanis ...

Evaporator Vent Temperature Sensor -G263- or Evaporator Temperature Sensor -G308
Function: The Evaporator Vent Temperature Sensor -G263- or Evaporator Temperature Sensor -G308- determines the temperature behind the evaporator. This value goes to the air conditioning control module and serves as a reference signal for ...