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:

Service fluids and consumables
First read and observe the introductory information and safety warningsAll service fluids and consumables, e.g. toothed belts, tyres, coolant, engine oil, spark plugs and vehicle batteries, are being constantly developed. For this reason, service fluids and consumables should be replaced at ...

Restrictor
  Caution Non-approved tools or materials such as leak sealing additives can cause damage or malfunctions in the system. Only use tools and materials approved by the manufactu ...

Indicator lamp
First read and observe the introductory information and safety warnings Lit up Possible cause Solution There is a defective bulb in the vehicle's exterior lighting. Change the defective bulb. Several warning and indicat ...