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:

Indicator lamp in the vehicle key
Fig. 20 Indicator lamp in the vehicle key First read and observe the introductory information and safety warnings If a button on the vehicle key is pressed briefly, the indicator lamp (arrow) flashes once. The lamp will flash several times if the button is pressed and held, e.g. convenien ...

Underseal
First read and observe the introductory information and safety warningsThe underside of the vehicle is coated to protect it from corrosion and damage. The protective coating on the underside of the vehicle could be damaged when driving. Volkswagen therefore recommends that the protective coati ...

Improvised Tools
  Note This list outlines the testers, tools and materials required for expert refrigerant circuit repair work.   Caution Non-approved tools or materials such as leak sealing additiv ...