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:

Expansion Valve
  Caution Non-approved tools or materials such as leak sealing additives can cause damage or malfunctions in the system. Only use tools and materials approved by the manufactu ...

Changing engine oil
First read and observe the introductory information and safety warningsThe engine oil must be changed regularly in accordance with the data given in the service schedule. The engine oil and filter should always be changed, and used oil disposed of, by a qualified workshop due to the special ...

Introduction
This chapter contains information on the following subjects:  → Information stickers and plates  → Using the vehicle in other countries and continents  → Radio reception and aerials  → Volkswagen repair information  → Declaration of conformity  → ...