Servicing Refrigerant Circuit
Special tools and workshop equipment required
- Information on repair work in vehicles with climate control system and on handling refrigerant, refer to General Information .
- Information on tools for repairs in vehicles with climate control system, refer to Special Tools .
Extract the refrigerant beforehand using the ROB 134APF (A/C service station VAS 6007A).
The previously used service stations can still be used, refer to V.A.G workshop equipment information.
To prevent the entry of dampness all components of the refrigerant circuit which have been opened must be sealed with suitable plugs.
The color coding of O-rings for the R134a refrigerant circuits has been discontinued. Colored and black O-rings are used.
Threaded connections of refrigerant circuit must be coated with polyethylene glycol (PEG) VW material number 294440 before installing.
Under certain conditions, the fluid reservoir with dryer cartridge must no longer be replaced after each time refrigerant circuit is opened. Refer to Removal and Installation .