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:

Leaks or Internal Damage, for Example Noises or No Output
  Note For vehicles with an electrically-driven A/C compressor, de-energize the high voltage system before removing the A/C compressor. Refer to → Electrical System Hybrid; Rep. Gr.93. –  Dischar ...

Wheel, Balancing on Stationary Balancing Machine
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. ...

Changing engine oil
First read and observe the introductory information and safety warningsThe engine oil must be changed regularly in accordance with the data given in the service schedule. The engine oil and filter should always be changed, and used oil disposed of, by a qualified workshop due to the special ...