VW Polo manuals

Volkswagen Polo Service & Repair Manual: Empty Refrigerant Circuit

–  Remove malfunctioning component.
–  Remove the A/C compressor.
–  Remove oil drain plug from A/C compressor.
  Note
To speed up refrigerant oil drainage, turn A/C compressor by hand via ribbed belt or magnetic clutch plate.
Pour the used refrigerator oil out of the A/C compressor.
Then fill the A/C compressor with quantity of fresh refrigerant oil corresponding to quantity of refrigerant oil in original part compressor. Refer to → Rep. Gr.87.
Use different refrigerant oils and quantities for the various compressors. Refer to → Rep. Gr.87.
To ensure the compressor is lubricated at start-up, at least 80 cm3 of refrigerant oil must be poured into the compressor. The remainder can be added to the new reservoir or receiver/dryer. Refer to → Rep. Gr.87.
If dirt has penetrated into the compressor with the refrigerant circuit open (for example after an accident), compressor is to be replaced.
Flush the refrigerant circuit with compressed air and remove moisture with nitrogen. Refer to → Chapter „Refrigerant Circuit, Flushing with Compressed Air and Nitrogen“.
–  Replace receiver/dryer or accumulator and restrictor.
–  Assemble, evacuate and recharge refrigerant circuit.
   
Leaking or Damaged Components except A/C Compressor, Reservoir or Receiver/Dryer
...

Refrigerant Still in Circuit
Discharge the refrigerant circuit. –  Remove malfunctioning component, flush with compressed air, collect escaping refrigerant oil. ...

Other materials:

Flushing Not Necessary
  Note For vehicles with an electrically-driven A/C compressor, de-energize the high voltage system before removing the A/C compressor. Refer to → Electrical System Hybrid; Rep. Gr.93. –  Dischar ...

Checklist
Using seat belts : Check the condition of all seat belts regularly. Keep the seat belts clean. Avoid allowing any foreign bodies or fluids to get on to the seat belt or latch plate or into the slot for the seat belt buckle. Do not trap or damage the seat belt and latch ...

Information stored in the control units
First read and observe the introductory information and safety warningsYour vehicle is factory fitted with electronic control units which are responsible for engine and gearbox management. The control units also monitor the function of the exhaust system and the airbags. These electronic con ...

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