Compressor, Flushing Not Required

WARNING: This page is about a different car, the 2010 Volkswagen Passat and 2009 Volkswagen Passat. However, it is still accessible from the selected car via links, so may be relevant.

-- Discharge refrigerant circuit.

-- Remove A/C compressor.

-- Remove oil drain plug from A/C compressor.

-- To accelerate drainage of refrigerant oil, rotate compressor, for example, by way of ribbed belt pulley/clutch plate of A/C clutch for example.

-- Pour old refrigerant oil out of A/C compressor. For information on handling refrigerant oil, refer to Volkswagen Service Net, Handbooks, Service Handbook; Protecting the environment; Emissions Protection.

-- Remove oil drain plug from original part compressor, pour out refrigerant oil and only add a quantity of fresh refrigerant oil equal to the amount poured out of the malfunctioning compressor.

NOTE:

If, for example, 70 cm³ of refrigerant oil has been poured out of the malfunctioning compressor and 220 cm³ out of the original part compressor (a small quantity of refrigerant oil remains in the compressor). Fill the compressor to be installed with 70 cm ³ of refrigerant oil (use can be made of oil poured out of original part compressor).

Use different refrigerant oils and quantities for the various compressors. Refer to Maintenance, Diagnosis .

If a greater quantity of refrigerant oil (more than approximately 80 cm³ ) has been poured out of the malfunctioning compressor, the remaining refrigerant oil can also be added to the evaporator or reservoir/receiver. Refer to [For engine(s) BPY,BLV,CCTA,CBFA] Specifications .

-- Replace restrictor.

-- Assemble, evacuate and charge refrigerant circuit.