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:

O-Ring
  Caution Non-approved tools or materials such as leak sealing additives can cause damage or malfunctions in the system. Only use tools and materials approved by the manufactu ...

Pressure Gauge, Tests and Measurements
Indicators on pressure gauge 1 -  Temperature scale for refrigerant R134a CF3–CH2F or CH2F–CF3. 2 -  Pressure scale The pressure gauge may have one or more temperature s ...

Certificate of Conformity
The vehicle manufacturer must request an EU type approval for all passenger vehicles (vehicle class M1). A certificate of conformity is produced based on this type approval. This document confirms that the vehicle confor ...