Volkswagen Polo Service & Repair Manual: A/C Compressor, Replacing

Refrigerant Still in Circuit

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

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 &# ...

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. ...

Checking with Expansion Valve and Receiver/Dryer, with Internally Regulated A/C Compressor
  Note Connecting service station. Refer to → Chapter „Connecting Service Station“. Observe test requirements. Refer to → Chapter „Pressures, Checking“. –  ...

Tire Pressure Monitoring Sensor with Valve, Removing and Installing
Removing     –  Remove the union nut -1-. –  Remove Tire Pressure Monitoring Sensor-2- from rim well. Installing ...