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:

Battery Charger -VAS5900- Maintenance Charging
  Note If the battery is discharged by an electrical consumer during maintenance charging, the Battery Charger -VAS5900- automatically supplies the appropriate charge. Maintenance charging can be performed without time ...

Pressure Relief Valve
  Caution Non-approved tools or materials such as leak sealing additives can cause damage or malfunctions in the system. Only use tools and materials approved by the manufactu ...

Discharge Refrigerant Circuit with A/C Service Station
  Caution If it is suspected that chemicals were added to the refrigerant circuit to seal leaks, do not connect the A/C service station and do not extract the refrigerant. ...