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:

Controls for the heating and fresh air system
Fig. 127 In the centre console: rotary controller of the heating and fresh air system with controls First read and observe the introductory information and safety warnings  Button, control Additional information. Heating and fresh air system   ...

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. ...

Tire Wear, One Sided
In many causes, this is caused by driving style, but sometimes it is also caused by incorrect axle adjustment.     Increased One-Sided Wear One-sided wear, in conjunction with scrub marks on ...