Volkswagen Polo Service & Repair Manual: Refrigerant Circuit Extraction and Filling Valves for Service Station Couplings

Refrigerant Circuit with Restrictor and Reservoir

1 -  A/C Compressor 2 -  Condenser 3 -  Restrictor 4 -  ...

Evacuating and Charging Valve with Schrader Valve

Special tools and workshop equipment required Torque Wrench 1783 - 2-10Nm -VAG1783- with Torque Wrench 1783 - 1/4" Drive Ratchet -VA ...

Other materials:

Beru Wheel Electronics Tire Pressure Monitoring Sensor, Removing and Installing
Overview, Beru System   WARNING If tire sealant was used, then the wheel electronics on that particular wheel must be replaced.   WA ...

Critical Point
Vehicle air conditioning systems make use of the vaporization and condensation process. In this case, one works with a substance which boils easily, designated as refrigerant. The refrigerant employed is tetrafluoroethane R134a, which bo ...

Tread Depth, Measuring
  Note When measuring tread depth, take measurements in the main grooves. Do not take measurements at the tread wear indicator.     Tread depth of a tire must be mea ...