Volkswagen Polo Service & Repair Manual: Refrigerant R134a

Refrigerant R134a Vapor Pressure Table

The vapor pressure table for every refrigerant is published in literature for refrigeration system engineers. This table makes it possible to determine the vapor pres ...

Refrigerant R134a Physical Data

Vehicle air conditioning systems make use of the vaporization and condensation process. In this case, one works with a substance which boils easily, designated as ref ...

Other materials:

Battery, Charging
Requirements   WARNING Batteries that have a light yellow visual indicator do not have to be tested or charged. Jump starting must not be used! There is a risk ...

Test after driving for 10 minutes
First read and observe the introductory information and safety warnings Reconnect the tyre filler hose and check the tyre pressure on the tyre pressure display ⑥. 1.3 bar (19 psi / 130 kPA) and lower: Do not drive on! The tyre cannot be sealed adequately with the breakdown set. ...

Winter tyres
First read and observe the introductory information and safety warningsIn winter road conditions, winter tyres will considerably improve the car's handling. The design of summer tyres (width, rubber compound, tread pattern) gives less grip on ice and snow. Volkswagen urgently recommends the ...