VW Polo manuals

Volkswagen Polo Service & Repair Manual: A/C Pressure Switch -F129

  Note
For switching pressures, removing and installing switches and switch arrangement and version, see vehicle-specific refrigerant circuit.
Refer to → Rep. Gr.87.
   
This pressure switch has 3 functions:
1. Switches the coolant fan to the next higher level when the pressure in the refrigerant circuit increases (approximately 16 bar (232 psi)).
2. Switches off A/C system if pressure is excessive (approximately 32 bar (464 psi)), for example. because of insufficient engine cooling.
3. Switches off A/C system if pressure is insufficient (approximately 2 bar (29 psi)), for example. loss of refrigerant.
  Note
A/C Pressure Switch -F129- replaces the A/C Refrigerant High Pressure Switch -F23-, A/C Refrigerant Low Pressure Switch -F73- and the Magnetic Clutch High Pressure Switch -F118-.
 

A/C Pressure Switch -F129

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. ...

High Pressure Sensor -G65
  Note For switching pressures, removing and installing switches and switch arrangement and version, see vehicle-specific refrigerant circuit. ...

Other materials:

Filling the tank with petrol or diesel
Fig. 130 In the right-hand side of the vehicle at the rear: tank flap open Fig. 131 Open tank flap with tank cap attached to the holder First read and observe the introductory information and safety warnings Switch off the engine, ignition and the mobile telephone before filling the ta ...

Vibration, Road Test, Performing Before Balancing
If a vehicle comes to the workshop with the complaint “vibration”, a road test must be performed before balancing the wheels. That way, information about the type of vibration can be obtained. Obser ...

Unlocking the tailgate manually
Fig. 158 In the luggage compartment: manual release for the tailgate First read and observe the introductory information and safety warnings If necessary, fold the backrest of the rear bench seat forwards . Remove items of luggage so that you can reach the tailgate from the insid ...

© 2016-2019 Copyright www.vwpolo.net