VW Polo manuals

Volkswagen Polo Service & Repair Manual: Refrigerant Circuit Connections with Valve for Switches

  Note
For switching pressures, removing and installing switches and switch arrangement and version, see vehicle-specific refrigerant circuit.
Refer to → Rep. Gr.87.
  WARNING
There is a danger of ice-up.
Refrigerant will leak out if refrigerant circuit is not discharged.
Refrigerant must be extracted before removing valve -C-. 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.
Different threads for switch on high pressure and low pressure sides.
   
Only valves and o-rings that are resistant to refrigerant R134a and refrigerant oil must be installed.
A -  Connection (soldered in)
B -  O-Ring
C -  Valve (with o-ring)
 

Refrigerant Circuit Connections with Valve for Switches

A/C Refrigerant Low Pressure Switch -F73
  Note For switching pressures, removing and installing switches and switch arrangement and version, see vehicle-specific refrigerant circuit. ...

A/C Pressure Switch -F129
  Note For switching pressures, removing and installing switches and switch arrangement and version, see vehicle-specific refrigerant circuit. ...

Other materials:

Contact Release Tools
Various release tools are used to remove the different terminals from terminal housings without damage. A selection of release tools are a component of the Wiring Harness Repair Set -VAS1978- and the Wiring Harness Repair Set -VAS1978A-. ...

Tires, Mounting, Run-Flat Tires and Ultra High Performance Tires
Only trained personnel can perform the assembly work on run-flat tires and ultra high performance tires. If equipped check the tire pressure monitoring sensor with the vehicle diagnostic tester and if necessary replace. ...

Cracking
Cracking is the term for shallow cracks in the sidewall of the tire. They run starting from the bulge in the direction of the tire shoulder. See Illustration for the mentioned components. Refer to → Fig. „“Components ...

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