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:

Brake fluid
Fig. 117 In the engine compartment: cap on the brake fluid container First read and observe the introductory information and safety warnings Brake fluid will gradually absorb water from the surrounding air. The brake system will be damaged if there is too much water in the brake fluid. T ...

Tread depth and wear indicators
Fig. 147 Tyre tread: wear indicators First read and observe the introductory information and safety warningsTread depth Difficult driving situations demand the deepest possible tread depth for the tyres and the same tread depth for the tyres on the front and rear axles. This applies in pa ...

Insulating glass windscreen
Fig. 71 Metal-coated windscreen for infrared reflection with communication window (blue area) First read and observe the introductory information and safety warnings Insulating glass windscreens have a coating which reflects infrared radiation. There is a non-coated area above the interior ...