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:

Contact Housings and Connectors, Repair Information
  Note Observe general notes for repairs on the vehicle electrical system. Refer to → Chapter „Vehicle Electrical System, General Repair Information“. Allocation of crimp contacts with correct fit ...

Charging Systems not Requiring a Permit
At this time, A/C service units for extracting, cleaning and filling refrigerant for motor vehicle A/C systems are available from various manufacturers. Charging systems not requiring a permit are ones used for transferring compressed ga ...

Replacing the battery
Fig. 21 Vehicle key: opening the battery case cover Fig. 22 Vehicle key: removing the battery First read and observe the introductory information and safety warnings Volkswagen recommends having the battery changed at a Volkswagen dealership or by a qualified workshop. The battery is l ...