Coolant Temperature Sensor / Switch HVAC: Service and Repair

Engine 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:
22 - 29 ft.lbs. (30 - 40 Nm)
3. Reconnect the electrical connector.
4. Refill the radiator and check for leaks.