Volkswagen Polo Service & Repair Manual: Possible Refrigerant Circuit Concerns

Concerns

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Test Requirements

  Note The A/C system is functioning correctly when the air flowing from the instrument panel vents has a temperature of 70C or lower. ...

Other materials:

Charge Factor
A vessel must have space for vapor as well as liquid. As the temperature rises, the liquid expands. The space filled with vapor decreases. At a certain point, there will only be liquid in the vessel. Beyond this, even a slight increase in temperature cau ...

Tires, Rolling Noises, General Information
Rolling noise perceived by the human ear is caused by vibrations transmitted from the noise source to the ear via the air. Here we are interested in noises created by certain characteristics of the tires as well as the effects of rolling ...

Tires, Aging
Even tires that look in good shape, new or hardly use and have sufficient tread depth and that are older than 6 years, can age caused by moisture and winter conditions. Tire test show that through continual development, new rubber ...