Volkswagen Polo Service & Repair Manual: A/C Technology Basic Principles

Additional Information Sources

Technical Service Handbook outlining action to be taken to rectify current problems. For the repair manual for model-specific repair work. Refe ...

Physical Principles

The four known states of water also apply to air conditioning system refrigerants. 1 -  gaseous (invisible) 2&n ...

Other materials:

Tires, Mounting, Wheels without and with Tire Pressure Monitoring System
Only trained personnel can perform the assembly work on run-flat tires. If equipped check the tire pressure monitoring sensor with the vehicle diagnostic tester and if necessary replace. –  Bring the t ...

Light Alloy Wheels, Preparing
  WARNING Do not repair damaged rims by heating, welding or adding or removing material. Do not repair damaged or deformed rims or rims with cracked or deformed bolt h ...

Flushing Circuit Block Diagrams
  Note The arrows in the following illustrations show the direction of refrigerant flow while flushing. During flushing, refrigerant flows in the opposite direction than during A/C system operation, therefore the high pressure side of A/C se ...