S8 Quattro Sedan V8-4.2L (AYS) (2002)
High Pressure Sensor / Switch: Service and Repair
A/C Refrigerant High Pressure Switches -F23- and -F118-
Removing and installing
-
Remove bumper
-
Separate plug connection -B-.
-
Replace O-ring -A- (7.6 x 1.8 mm).
Tightening torque: 5 Nm (44 in.lb)
NOTE:
-
To test the A/C system cooling performance, plug the removed switch back into wiring harness.
-
The refrigerant system remains closed due to the Schrader valve.
-
Illustration shows switch on Audi A4.