Pickup 4WD V6-2972cc 3.0L SOHC (1991)
Coolant Temperature Sensor / Switch HVAC: Service and Repair
Coolant Temperature Switch Location
REMOVAL
1. Drain approximately 2 quarts of coolant from the radiator drain plug.
2. Disconnect the electrical connector.
3. Remove the sensor with a suitable socket.
INSTALLATION
1. Apply sealant to the threaded portion of the sensor.
Specified Sealant:
3M Nut Locking P/N 4171 or equivalent.
2. Install the sensor and tighten to the specified torque.
Specified Torque:
9 - 13 ft.lbs. (12 - 18 Nm)
3. Reconnect the electrical connector.
4. Refill the radiator and check for leaks.
