Volkswagen Polo Service & Repair Manual: Evacuating and Charging Valve with Schrader Valve

Volkswagen Polo Service & Repair Manual / Refrrigerant R134a Servicing / Refrigerant Circuit General Information / Refrigerant Circuit Extraction and Filling Valves for Service Station Couplings / Evacuating and Charging Valve with Schrader Valve

Special tools and workshop equipment required

Torque Wrench 1783 - 2-10Nm -VAG1783- with Torque Wrench 1783 - 1/4" Drive Ratchet -VAS6234-

WARNING

There is a danger of ice-up.

Refrigerant will leak out if refrigerant circuit is not discharged.

Refrigerant must be extracted before opening refrigerant circuit. If refrigerant circuit is not opened within 10 minutes of extraction, pressure may form in refrigerant circuit due to evaporation. Extract the refrigerant once more.

Only valves and connections that are resistant to refrigerant R134a and refrigerant oil must be installed.

Different connections (outer diameter) for high pressure and low pressure side.

Always screw on sealing caps.

Allocation in vehicle.

Refer to → Rep. Gr.87 for the vehicle-specific repair manual.

Note

Torque Wrench 1783 - 2-10Nm -VAG1783- with Torque Wrench 1783 - 1/4" Drive Ratchet -VAS6234-

Use a suitable Refrigerant Sockets -T10364- to loosen the Schrader valve insert. Refer to → Fig. „“ Refrigerant Sockets -T10364- for the high pressure/low pressure side service connection valves in the refrigerant circuit”“

A -	Service connection (soldered in)

B -	Schrader valve insert (2.4 ± 0.2 Nm)

C -	O-ring (belongs to the valve)

D -	Sealing cap with seal

Evacuating and Charging Valve with Schrader Valve

Refrigerant Circuit Extraction and Filling Valves for Service Station Couplings

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Evacuating and Charging Valve, High Pressure Side

Special tools and workshop equipment required Torque Wrench 1783 - 2-10Nm -VAG1783- with Torque Wrench 1783 - 1/4" Drive Ratchet -VA ...

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