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:

Certificate of Conformity
The vehicle manufacturer must request an EU type approval for all passenger vehicles (vehicle class M1). A certificate of conformity is produced based on this type approval. This document confirms that the vehicle confor ...

Critical Point
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 refrigerant. The refrigerant employed is tetrafluoroethane R134a, which bo ...

Driving with an open tailgate
First read and observe the introductory information and safety warnings Driving with an open tailgate is particularly dangerous. Ensure that the open tailgate and any objects are secured properly, and take appropriate measures to reduce the quantity of toxic exhaust fumes entering the vehicle ...