Volkswagen Polo Service & Repair Manual: Refrigerant Circuit Design

Pressure Relief Valve

  Caution Non-approved tools or materials such as leak sealing additives can cause damage or malfunctions in the sys ...

Refrigerant Circuit with Expansion Valve and Evaporator

1 -  Evaporator 2 -  Expansion Valve 3 -  Valve for extracting, filling and measuring ...

Other materials:

Notes on tow-starting
First read and observe the introductory information and safety warnings Vehicles should not be tow-started wherever possible. Use jump leads to start the engine instead . For technical reasons, the following vehicles cannot be tow-started: Vehicles with an automatic gearbox. If ...

Critical Point
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 refrigerant. The refrigerant employed is tetrafluoroethane R134a, which bo ...

Types of Batteries
General Information   Caution The following batteries described are maintenance-free batteries. Do not remove any of the labels on the battery and do not add distilled water. Only perfo ...