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:

Refrigerant Circuit with Restrictor and Reservoir
1 -  A/C Compressor 2 -  Condenser 3 -  Restrictor 4 -  Evaporator 5 -  Reservoir with dryer bag ...

Technical Requirements
Factory-Installed Trailer Hitch If the vehicle was already delivered from the factory with a trailer hitch, all of the technical and legal requirements for towing a trailer have already been taken into account. Note that a »13-pin« trailer ...

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 ...