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:

Current Draw Test
  WARNING Batteries that have a light yellow visual indicator do not have to be tested or charged. Jump starting must not be used! There is a risk of explosion during testing, ...

Driving a loaded vehicle
First read and observe the introductory information and safety warnings For good vehicle handling when driving a loaded vehicle, please observe the following: Stow all items of luggage securely . Accelerate carefully and gently. Avoid sudden braking and driving manoeuvres. ...

Flushing Not Necessary
  Note For vehicles with an electrically-driven A/C compressor, de-energize the high voltage system before removing the A/C compressor. Refer to → Electrical System Hybrid; Rep. Gr.93. –  Dischar ...