VW Polo manuals

Volkswagen Polo Service & Repair Manual: 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 -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 valve insert. Refer to → Fig. „“ Refrigerant Sockets -T10364- for the high pressure/low pressure side service connection valves in the refrigerant circuit”“
1 -  Socket with external and internal threads
2 -  O-ring: 10.8 mm; 1.8 mm identification: black or with colors
3 -  Valve with M12 x 1.5 mm external threads and groove for O-ring (7 ± 1 Nm)
4 -  O-ring for the cap: 10.8 mm; 1.8 mm identification: black or with colors
5 -  Cap
 

Evacuating and Charging Valve, High Pressure Side

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 -VA ...

Evacuating and Charging Valve, Low Pressure Side
Special tools and workshop equipment required Torque Wrench 1783 - 2-10Nm -VAG1783- with Torque Wrench 1783 - 1/4" Drive Ratchet -VA ...

Other materials:

Maintenance Test, Performing
  WARNING Do not check or charge batteries that have a visual indicator that is bright yellow. Jump starting must not be used! There is a risk of explosion during testing, cha ...

Restrictor
  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 ...

Running-in
First read and observe the introductory information and safety warningsPlease follow the regulations concerning running-in new parts. Running in a new engine Any new engine has to be run in during the first 1,500 kilometres. During its first few hours of running, the internal friction in the ...

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