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:

Test Requirements
  Note Check cooling performance. The A/C system is functioning correctly when the air flowing from the instrument panel vents has a temperature of 70C or lower. Setting on Climatronic “LO”. ...

Stopping the engine
First read and observe the introductory information and safety warnings  The steps should only be carried out in the specified order. 1. The vehicle must be completely stationary  . 2. Press the brake pedal. Keep ...

Valve, Removing and Installing, Metal Valve
Special tools and workshop equipment required Torque Wrench -VAG1410- Perform the Following: Removing –  Remove the Tire Pressure Monitoring Sensor. Refer to ...