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:

Contacts in Contact Housing, Repairing
First, open or release if necessary the secondary lock of the contact housing. Refer to → Chapter „Contact Housings, Releasing and Disassembling“.     –  Release contact (primary ...

Checklist
The following steps should always be carried out in the specified order before working in the engine compartment : Park the vehicle on a level and stable surface. Depress and hold the brake pedal until the engine has stopped. Apply the handbrake firmly Braking, stopping and p ...

Air recirculation mode
First read and observe the introductory information and safety warnings General notes There are different types of air recirculation, depending on the level of equipment: Air recirculation mode (heating and fresh air system, air cond ...