Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Compressor, Flushing Not Required
-- 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.
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 Fluid Capacity Table (2010) / Fluid Capacity Table (2011) .
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 Fluid Capacity Table (2010) / Fluid Capacity Table (2011) .
-- Replace restrictor.
-- Assemble, evacuate and charge refrigerant circuit.
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.