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 ...

Reinforced Shock Absorbers and Coil Springs
Reinforced shock absorbers and coil springs on the vehicle rear axle reduce pitching motions between the vehicle and the trailer. If not already installed in the factory, these shock absorbers and springs can often be retrofitted at authorized Volk ...

Battery with Visual Indicator, Standard
This is a maintenance-free battery with liquid electrolyte (wet battery).   WARNING Do not check or charge batteries that have a visual indicator that is bright yellow. Jump starting must ...