Volkswagen Touran Service Manual: A/C Service and Recycling Units

Pressure Gauge, Tests and Measurements

Indicators on pressure gauge 1 -  Temperature scale for refrigerant R134a CF3CH2F or CH2FCF3. 2 -  ...

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:

Volkswagen Touran Owners Manual. Coolant specification
First read and observe the introductory information and safety warnings The engine coolant system is factory-filled with a mixture of specially prepared water and at least 40 percent of the coolant additive G 12 plus-plus (TL-VW 774 G) or G 12 plus (TL-VW 774 F). Both coolant additives ar ...

Volkswagen Touran Service Manual. Visual Inspection
  WARNING Risk of injury. Follow all Warnings and Safety Precautions. Refer to → Chapter "Warnings and Safety Precautions". Prior to performing any measurements or ...