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:

Vehicle-specific weight ratings
First read and observe the introductory information and safety warnings All data in the official vehicle documents take precedence over these data. All data in this manual apply to the basic model. The vehicle data sticker in the service schedule and the official vehicle documents show which ...

Retrofitting two-way radios
First read and observe the introductory information and safety warningsYou will need an external aerial to use a two-way radio in the vehicle. Any retrofit installation of electrical or electronic equipment in the vehicle will affect its vehicle type approval. Under certain circumstances, thi ...

A/C System Operation
The temperature in the passenger compartment depends on the amount of heat radiated through the windows and conducted by the metal parts of the body. In hot weather it is possible to achieve a more comfortable temperature for the passengers by pumping of ...