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:

Corrosion Protection for Body, Attached and Welded Parts
Attachments Coat the insides of the fenders, doors, covers and lids completely. A spray application wet in wet procedure is sufficient. Before assembly, the seal the inside of the attachments with cavit ...

Commercial Names and Designations
Refrigerant R134a is currently available under the following trade names: H-FKW 134a SUVA 134a KLEA 134a   Note Different trade names may be us ...

Refrigerant Circuit
A/C System Repair Information An A/C system made for refrigerant R12 must not be filled with refrigerant R134a without making modifications to the refrigerant circuit. Refer to → Chapter „Refrigerant Circuit, Converting R12 to R134a and Ser ...