VW Polo manuals

Volkswagen Polo Service & Repair Manual: 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

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