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:

Battery with Visual Indicator, Enhanced
This is a maintenance-free battery with liquid electrolyte (wet battery).   Caution Do not remove any of the labels on the battery and do not add distilled water. Only perform a visual ...

Wear Spots
  A wear spot is a flat spot on the tread of the tires that can be caused by extreme braking maneuvers on subsurface such as asphalt. At the same time a tire during the braking maneuver is rubbed at selective points which ...

Hill Hold Assist
First read and observe the introductory information and safety warnings The Hill Hold Assist function actively holds the vehicle when pulling away on an incline. The Hill Hold Assist function is automatically activated if the following conditions are met Cond ...