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:

Introduction
This chapter contains information on the following subjects:  → Indicator lamp  → Description of the central locking system  → Locking and unlocking the vehicle from the outside  → Locking and unlocking the vehicle from the inside  → SAFELOCK mechanism &nb ...

Valve, Removing and Installing, Rubber Valve
Make sure wheel rim is clean.     –  Using the Valve Fitting Tool Valve Fitting Tool -VAS6459--1-, insert a new tire valve. –  Remove the valve insert. ...

A/C System Operation
The temperature in the passenger compartment depends on the amount of heat radiated through the windows and conducted by the metal parts of the body. In hot weather it is possible to achieve a more comfortable temperature for the passengers by pumping of ...