Volkswagen Polo Service & Repair Manual: Refrigerant Circuit, Removing Contaminants

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 ...

Refrigerant Circuit, Flushing with Compressed Air and Nitrogen

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Other materials:

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 ...

Refrigerant Circuit, Flushing
  Note For vehicles in which no adapters fit on to the refrigerant pipes, for example, a blower pistol with rubber mouthpiece is to be used to blow through individual components. Special care must be taken not to damage the connections (crus ...

Refrigerant Circuit with Expansion Valve
A-Low pressure side of refrigerant circuit. B-High pressure side of refrigerant circuit.         Component Aggregate State of Refrigerant Pressure bar (psi) Positive Pressure Temperature ...