Volkswagen Polo Service & Repair Manual: A/C Service and Recycling Units

Pressure Gauge, Tests and Measurements

Indicators on pressure gauge 1 -  Temperature scale for refrigerant R134a CF3–CH2F or CH2F–CF3. 2 -&nb ...

Extraction System Group Classifications

At this time, A/C service units for extracting, cleaning and filling refrigerant for motor vehicle A/C systems are available from various manufacturers. ...

Other materials:

Protecting
  Caution Missing protection leads to the electrical system damage.   Note All threaded connections must be tightened to the specified torque. ...

High Pressure Sensor -G65
  Note For switching pressures, removing and installing switches and switch arrangement and version, see vehicle-specific refrigerant circuit. Refer to → Rep. Gr.87.     ...

Starting the engine
First read and observe the introductory information and safety warnings  The steps should only be carried out in the specified order. Step Vehicles with a manual gearbox Vehicles with an automatic gearbox 1. ...