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:

Checklist
To ensure your own safety and that of your passengers, observe the following actions in the specified order : Stop the vehicle at a safe distance away from moving traffic and on a suitable surface . Switch on the hazard warning lights using the button . Apply the handbrake ...

Wheel, Balancing, Tire and Wheel Radial and Lateral Run-Out, Checking
Before beginning balancing, the following requirements must be fulfilled. The tire pressure must be OK. The tire profile must not be worn on one side. The tire profile must be at least 4 mm. ...

Car-Net services
First read and observe the introductory information and safety warningsTelematic services (Car-Net), referred to hereafter as Car-Net services, encompass both information services such as extended navigation services, and vehicle-related services such as vehicle status, emergency and breakdown ...