200 Quattro Wagon L5-2226cc 2.22L SOHC Turbo (MC) (1989)
/Page-280001.png)
Low Pressure Sensor / Switch: Description and Operation
The A/C Low Pressure Cut-Out Switch F73 is used to protect the compressor when refrigerant pressure drops too low. This switches the A/C compressor
clutch OFF when A/C refrigerant is too low. The switch opens approximately 14.5 PSI (1 bar). A/C refrigerant system does not need to be discharged to
remove or install this component (Schrader valve under switch).
-
Switch opens: 0.8 bar - 1.1 bar (11.6 psi - 15.9 psi)
-
Switch closes: 2.3 bar - 2.9 bar (33.3 psi - 42.0 psi)
