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:

Maintenance Test, Performing
  WARNING Do not check or charge batteries that have a visual indicator that is bright yellow. Jump starting must not be used! There is a risk of explosion during testing, cha ...

Increasing Temperature Due To Low Tire Pressure
The diagram shows the temperature behavior of a tire at speed of 180 km/h (111.84 mph). A -  Normal range: when maintaining the specified tire pressure, the temperature remains stable. B -  ...

Refrigerant Still in Circuit
Discharge the refrigerant circuit. –  Remove malfunctioning component, flush with compressed air, collect escaping refrigerant oil. –  The new component is to be filled with the amount of refrig ...