Pickup 4WD V6-2972cc 3.0L SOHC (1991)
Coolant Temperature Sensor / Switch HVAC: Specifications
Coolant Temperature Switch [1]
Closed ....................................................................................................................................................................................................... 226° F (115° C)
Open ......................................................................................................................................................................................................... 239° F (115° C)
Engine Vacuum At Idle..............................................................................................................................................................................20 in.Hg (67 kPa)
[1] A/C only.