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:

A/C Evaporator Temperature Switch -E33
Function: The A/C Evaporator Temperature Switch -E33- determines the temperature between the evaporator cooling fans. It prevents the possibility of ice building up between the evaporator cooling fans because the current entry to the con ...

Refrigerant Circuit, Tracing Leaks, with Electronic Leak Detector -VAG1796
  Note This repair manual describes different methods for detecting leaks in the refrigerant circuit. These methods have been tested and result in success when used correctly. If when searching for compressed air / Nit ...

EU Type Approval Number, Sales Code and Sales or Trade Name
The Additional Descriptions Only Apply to VW Vehicles. Since 01/01/1998, all passenger vehicles licensed for road use within the European Union must possess type approval according to EU guidelines . Vehicles licensed for road use with single-vehicle approval accordin ...