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:

Refrigerant Circuit, Tracing Leaks, with Leak Detection System -VAS6196- or Leak Detection Kit -VAS6201A- or Succeeding Model
  Note This repair manual describes different methods for detecting leaks in the refrigerant circuit. These methods have been tested and result in success when used correctly. If when searching for compressed air / Nit ...

Switching the TCS on and off
Fig. 116 In the centre console: button for switching the TCS on and off manually First read and observe the introductory information and safety warnings The electronic stability control (ESC) only functions when the engine is running. It consists of ABS, EDL and TCS. When the engine is r ...

Checklist
Carry out the steps in the specified order : With the engine at operating temperature, park the vehicle on a level surface to ensure that the engine oil reading is correct. Switch off the engine and wait a few minutes for the engine oil to flow back into the sump. Open the ...