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:

Refrigerant Circuit, Converting R12 to R134a and Servicing
  Note The laws and regulations listed below are applicable in Germany. Different or additional laws and regulations may apply in other countries. Addresses in other countries can be obtained from the relevant au ...

Coolant Fan Control Module -J293
  Note There are different construction styles.     This control module switches on and off the A/C clutch and therefore the A/C compressor. It switches the coolant fan and calculates the pressu ...

Masking or switching over headlights for driving abroad (travel mode)
First read and observe the introductory information and safety warnings If you have to drive a right-hand drive vehicle in a left-hand drive country, or vice versa, the asymmetric dipped beam headlights may dazzle oncoming traffic. Therefore, the headlights must be masked or switched over if ...