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

...

Other materials:

Sealing and inflating tyres
First read and observe the introductory information and safety warnings Sealing a tyre Unscrew the cap from the tyre valve. Use the valve core extractor to screw the valve core out of the tyre valve. Place the core on a clean surface. Shake the tyre filler bottle vigorously up ...

Filling the tank with petrol or diesel
Fig. 130 In the right-hand side of the vehicle at the rear: tank flap open Fig. 131 Open tank flap with tank cap attached to the holder First read and observe the introductory information and safety warnings Switch off the engine, ignition and the mobile telephone before filling the ta ...

Windscreen wiper lever
Fig. 72 Operating the front windscreen wiper Fig. 73 Operating the rear window wiper First read and observe the introductory information and safety warnings Move the windscreen wiper lever to the desired position : ⓪ Switches ...