90S Quattro (Canada) V6-2.8L (AAH) (1993)
* Original equipment 0-ring may be black in color. When replacing, use 0-ring specified by Parts information
^
Torque: 10 Nm (74 ft lb)
CAUTION
Discharge A/C system before removing pressure relief valve.
6 - HIGH PRESSURE SWITCH (F 118)
Function
Switches A/C clutch OFF if system pressure is too high.
^ Switch identification: red housing with bonded wire connections
^ Switching pressures: Opens (compressor OFF): 28.2-31.0 bar (409-450 psi) Closes (compressor ON): 10.3-17.2 bar (149-250 psi)
^ 0-ring seal:
7.6 mm inside diameter
1.8 mm thickness
^ Torque: 5 Nm (44 in. lb)
6a - Not used on USA/Canada vehicles
Note
The A/C system switches are available in different versions. Always consult the proper parts information to ensure correct switch application.
7 - CONNECTION WITH SCHRADER VALVE
^ For A/C refrigerant high pressure switch
7a - Not used on USA/Canada vehicles
8 - CONDENSER
The condenser transfers heat from the compressed refrigerant gas to the outside air which causes the refrigerant to change state from a gas to a liquid.
Note
Illustration shows the condenser from an Audi 100 model.