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:

Repairs and technical modifications
First read and observe the introductory information and safety warningsRepairs and modifications must always be carried out according to Volkswagen specifications . Unauthorised modifications to the electronic components or software in the vehicle may cause faults. As the electronic componen ...

Legal Requirements
The manufacturer is granted general type approval for the whole vehicle including all parts and for specific retrofitting (general type approval according to § 20 StVZO (Motor Vehicle Construction and Use Regulations or EU type approval). ...

Checklist
To ensure your own safety and that of your passengers, observe the following actions in the specified order : Find a firm and level surface suitable for lifting the vehicle. Stop the engine, select a gear on a manual gearbox or in case of automatic gearbox, move the selector lever ...