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:

Contacts in Contact Housing, Repairing
First, open or release if necessary the secondary lock of the contact housing. Refer to → Chapter „Contact Housings, Releasing and Disassembling“.     –  Release contact (primary ...

Replacing the battery
Fig. 21 Vehicle key: opening the battery case cover Fig. 22 Vehicle key: removing the battery First read and observe the introductory information and safety warnings Volkswagen recommends having the battery changed at a Volkswagen dealership or by a qualified workshop. The battery is l ...

Warning and indicator lamps
First read and observe the introductory information and safety warnings  Lit up Possible cause   Solution Handbrake is applied. Release the handbrake   . Brake system fault. Do not drive on! Obtain profe ...

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