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:

Contact Release Tools
Various release tools are used to remove the different terminals from terminal housings without damage. A selection of release tools are a component of the Wiring Harness Repair Set -VAS1978- and the Wiring Harness Repair Set -VAS1978A-. ...

Overview - Cigarette Lighter -U1-
  Caution Using force to remove cigarette lighter sockets without illumination can result in damage to the mounting sleeve retainers. The Cigarette Lighter Release Tool -T40148- can o ...

Release Tool Set -VAS1978/35
The Release Tool Set -VAS1978/35- is used to release the various primary and secondary locking mechanisms on VW-group vehicles. The set consists of 26 different tools which can be used to professionally release or assemble e.g. round connector systems, f ...