Operation CHARM
: Car repair manuals for everyone.
Home
>>
Buick
>>
1986
>>
LeSabre V6-231 3.8L VIN 3 FI
>>
Repair and Diagnosis
>>
Sensors and Switches
>>
Sensors and Switches - HVAC
>>
Refrigerant Pressure Sensor / Switch
>>
Description and Operation
>>
A/C High Pressure Cut-Out Switch
A/C High Pressure Cut-Out Switch
This switch is controlled by high side refrigerant pressure. This normally closed switch opens above 430 psi. It closes below 200 psi.