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:

Flushing Circuit Block Diagrams
  Note The arrows in the following illustrations show the direction of refrigerant flow while flushing. During flushing, refrigerant flows in the opposite direction than during A/C system operation, therefore the high pressure side of A/C se ...

Radio reception and aerials
First read and observe the introductory information and safety warningsFor factory-fitted radio or navigation systems, the aerial for radio reception can be installed in various locations in the vehicle: On the inside of the rear window, together with the rear window heating. On the i ...

Introduction
This chapter contains information on the following subjects:  → Warning lamp and coolant temperature display  → Coolant specification  → Checking the coolant level and refilling coolant Never carry out any work on the engine coolant system if you are not familiar with t ...