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:

Improvised Tools
  Note This list outlines the testers, tools and materials required for expert refrigerant circuit repair work.   Caution Non-approved tools or materials such as leak sealing additiv ...

Leaks or Internal Damage, for Example Noises or No Output
  Note For vehicles with an electrically-driven A/C compressor, de-energize the high voltage system before removing the A/C compressor. Refer to → Electrical System Hybrid; Rep. Gr.93. –  Dischar ...

Introduction
This chapter contains information on the following subjects:  → Contents of the breakdown set  → Preparation  → Sealing and inflating tyres  → Test after driving for 10 minutes You can use the breakdown set (tyre mobility set) to safely seal any tyre damage cau ...