Water Temperature Sender Unit Removal/Installation - 2.3L

Disconnect the negative battery cable. See BATTERY DISCONNECT .
Drain the cooling system. See ENGINE COOLANT REPLACEMENT - 2.3L .

Fig 1: Disconnecting Engine Coolant Temperature Sensor Electrical Connector
Courtesy of MAZDA MOTORS CORP.
Disconnect the electrical connector.

Fig 2: Removing Engine Coolant Temperature Sensor - With Torque Specifications
Courtesy of MAZDA MOTORS CORP.
Remove the engine coolant temperature sensor.
NOTE:
- Coat the threads with pipe thread sealant.
To install, reverse the removal procedure.