Volkswagen Polo Service & Repair Manual: Leaks or Internal Damage, for Example Noises or No Output

Volkswagen Polo Service & Repair Manual / Refrrigerant R134a Servicing / Components, Replacing / A/C Compressor, Replacing / Leaks or Internal Damage, for Example Noises or No Output

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.

–	Discharge the refrigerant circuit.

–	Remove the A/C compressor.

Note

In the case of internal damage (on A/C compressor), flush refrigerant circuit with refrigerant R134a. Refer to → Chapter „Refrigerant Circuit, Flushing (Cleaning) with Refrigerant R134a“.

If a different A/C compressor is installed with a different refrigerant oil, the refrigerant circuit is to be flushed with refrigerant R134a. Refer to → Chapter „Refrigerant Circuit, Flushing (Cleaning) with Refrigerant R134a“.

–	Replace receiver/dryer/dryer cartridge and expansion valve or reservoir and restrictor.

–	If a leak is present, check the expansion valve for debris or corrosion and replace if necessary.

–	Assemble, evacuate and charge the refrigerant circuit.

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 &# ...

Receiver/Dryer or Reservoir and Restrictor, Replacing

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Other materials:

Support Mode with Battery Charger -VAS5903
General Information The support mode provides the vehicle electrical system with voltage when the battery is removed or disconnected. For more information. Refer to Battery Charger -VAS5903- Operating Instructions. ...

Service Charging with Battery Charger -VAS5900
Special tools and workshop equipment required Battery Charger -VAS5900- WARNING Risk of injury. Follow all Warnings and Safety Precautions. Refer to → ...

Wheel Balancing, Rim Radial and Lateral Run-Out, Checking
Mount the rim on the Balancing Machine. – Use the Wheel Centering System Adapter -VAS5271-. – Preload the Tire Dial Gauge approximately 2 mm. – Turn the rim slowly. ...