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:

Maintenance Test, Performing
  WARNING Do not check or charge batteries that have a visual indicator that is bright yellow. Jump starting must not be used! There is a risk of explosion during testing, cha ...

Indicator lamps
First read and observe the introductory information and safety warnings  Lit up Possible cause Solution The start/stop system is not available. Automatic engine switch-off is active. Take your foot off the brake to start the ...

Seat belt protection
Fig. 49 Driver restrained by a properly positioned seat belt during a sudden braking manoeuvre First read and observe the introductory information and safety warnings Correctly fastened seat belts can make a major difference. When fastened properly, seat belts hold the vehicle occupants in ...