Volkswagen Golf Service & Repair Manual: Retrofitting refrigerant circuit from R12 refrigerant to R134a refrigerant

Volkswagen Golf Service & Repair Manual / Air conditioning system with refrigerant R134a / Refrigerant circuit / Retrofitting refrigerant circuit from R12 refrigerant to R134a refrigerant

Chlorofluorocarbon (CFC) is no longer used as a refrigerant in the automotive sector.

R12Converting refrigerant circuits from refrigerant R12 to refrigerant R134a and repairing the converted circuits.

→ Repair manual for air conditioning systems with refrigerant R12 parts 2 and 3. This workshop manual is only available as a hard copy.

Important repair notes on air conditioning

Air conditioning systems designed for refrigerant R12 must not be charged with refrigerant R134a until specific conversion measures have been performed →& ...

Working with the air conditioner service station

Caution If there is evidence to suggest that chemical substances have been added in the vehicle to seal leaks, ...

Other materials:

Detecting leaks
External damage can cause leaks in the refrigerant circuit. Because a small leak will involve only small quantities of refrigerant, leaks should be checked for using an electronic leak detector or by introducing a leak detection additive to the refrigerant circuit. Electronic leak detectors ca ...

Assembly overview - rear vehicle level senders, multi-link suspension, four-wheel drive
Note The vehicle level sender is available as a replacement part only complete with coupling rod and upper and lower retaining plates. 1 - Pop rivet nut 2 - Electrical connector 3 - Pop rivet ...

Vehicle data sticker
Explanation regarding “PR numbers” on vehicle data sticker Various types of running gear are installed depending on engine and equipment level. These are identified by the PR numbers. The PR numbers are critical in d ...