Volkswagen Workshop Service and Repair Manuals

The assemblies and the pipe work of the air conditioner system are filled with R12 (difluorodichloromethane CF2Cl2) as a refrigerant, up to and including model year 1992.

Before performing service requiring the opening of the refrigerant circuit, the system must be converted to refrigerant R134a:

=> Workshop Manual "Air conditioning - with refrigerant R12, 1974 ▸"

At present the R12 refrigerant pressure vessels are labelled with the following trade names:

• ‒ Frigen R12
• ‒ Freon R12

These trade names may vary from country to country.

Further information:

• ◆ The appropriate fault finding programme can be found in, Fault finding "Heating, Air conditioner - binder 2".
• ◆ The valid current flow diagrams can be found in, Current flow diagrams, Electrical fault finding and fitting locations binder.
• ◆ Measures to correct current specific faults:

=> Technical Service Handbook

• ◆ Repairs on the air conditioner refrigerant system can be found in Workshop Manual "Air conditioner with R12 refrigerant".

Notes:

• ◆ Types of refrigerant and refrigerant oil used are indicated on bonnet lock carrier information plate.
• ◆ Before disconnecting battery obtain "Radio code" if radio with anti-theft code is fitted.