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:

Vibration, Vibration Control System
Expanded functions can be performed using Hunter RFT33VAG Road Force Touch™ Wheel Balancer -VAS6230B4- in addition to the previously known balancers. A special characteristic of this system is testing the radial force of wheel/tire dur ...

Refrigerant Circuit
A/C System Repair Information An A/C system made for refrigerant R12 must not be filled with refrigerant R134a without making modifications to the refrigerant circuit. Refer to → Chapter „Refrigerant Circuit, Converting R12 to R134a and Ser ...

Cleaning the engine compartment
First read and observe the introductory information and safety warningsThe engine compartment of any motor vehicle is a hazardous area . The engine compartment should be cleaned by a qualified workshop. Corrosion protection could be removed and electrical components damaged if the compartmen ...