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:

Roll-back function of the electric panorama sliding/tilting glass roof
First read and observe the introductory information and safety warnings The roll-back function can reduce the risk of injury when the electric panorama sliding/tilting glass roof is being closed . If the electric panorama sliding/tilting glass roof is not able to close because it is stiff or ...

Childproof lock
Fig. 27 In the left rear door: childproof lock Ⓐ switched off, Ⓑ switched on Fig. 28 In the right rear door: childproof lock Ⓐ switched off, Ⓑ switched on First read and observe the introductory information and safety warnings The childproof lock prevents the rear doors from being ...

Refrigerant Oil
Refrigerant oil mixes with the refrigerant (about 20 - 40%, depending on compressor type and amount of refrigerant) and circulates constantly in the system, lubricating the moving parts. Special synthetic refrigerant oils, for example, ...