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. |
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) |
|
|
|
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:
Tires, Dismounting, Wheels without and with Tire Pressure Monitoring System
If equipped check the tire pressure monitoring sensor with
the vehicle diagnostic tester and if necessary replace.
Note
When cleaning disc wheel (rim), the tire pressure monitoring
sensor (if equipped) must not come into c ...
Tires with Rim Protector
The tire industry produces tires with rim protector for
light alloy wheels (rim protector). The rim protector prevents
damage to the light alloy wheels caused by contact with curbs.
Using tires with rim protector on steel wheels with wheel
...
Physical Principles
The four known states of water also apply to air
conditioning system refrigerants.
1 -
gaseous (invisible)
2 -
vapor
3 -
fluid
4&nbs ...
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A/C Refrigerant Low Pressure Switch -F73
A/C Pressure Switch -F129