K 2500 Suburban 4WD V8-454 7.4L VIN N TBI (1995)
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Refrigerant Pressure Sensor / Switch: Description and Operation
Compressor Pressure Switch
PURPOSE
This system is equipped with a compressor pressure switch that is normally open. It activates at 2069-2482 kPa (300-360 psi) and releases at 1724
kPa (250 psi). Its function is to drive the recirculation door to the closed position to reduce the system load and decrease system high-side pressure.