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. |
|
|
|
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-. |
|
|
|
Note
For switching pressures, removing and installing switches
and switch arrangement and version, see vehicle-specific
refrigerant circuit.
...
Note
For switching pressures, removing and installing switches
and switch arrangement and version, see vehicle-specific
refrigerant circuit.
...
Other materials:
Replacing Reservoir, No Contaminants, No Loss of Refrigerant
Discharge the refrigerant circuit.
–
Replace the restrictor depending on the vehicle.
–
Remove receiver or accumulator.
–
Remove dirt from receiver or res ...
Connecting Service Station
Turn off the ignition.
–
Connect the A/C service station to the power supply.
–
Connect quick-release coupling adapter to charging hoses of
service station (handwheels not screwed in/ha ...
Introduction
This chapter contains information on the following subjects:
→ Seat covers
→ Cleaning cloth seat covers, fabric trim and Alcantara upholstery
→ Cleaning and caring for natural leather covers
→ Cleaning leatherette upholstery
→ Cleaning stowage compart ...
© 2016-2025 Copyright www.vwpolo.net
