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:

Fender Corrosion Repair Measures, in Wheel Housing Liner Contact Area
  Note The corrosion protection in the fender seam must be applied on all replacement parts, on which the attached seal is not already present. The additional corrosion protection seal will prevent “chafe marks” in the fender wheel housing liner. ...

Winter Tires with Speed Symbol V
Table. Refer to → Anchor. The tire industry delivers winter tires with V-rating also. These tires can be applied up to the maximum permissible speed vmax = 240 km/h (149.13 mph) only under certain conditions. ...

Test Requirements
  Note Check cooling performance. The A/C system is functioning correctly when the air flowing from the instrument panel vents has a temperature of 70C or lower. Setting on Climatronic “LO”. ...

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