Coolant Temperature Sensor, Remove and Install
Remove, Disconnect
Remove engine cover.
Disconnect wiring harness plug (1) from coolant temperature sensor (2).
Detach coolant temperature sensor from cylinder head - collect escaping coolant.
Install, Connect
Attach coolant temperature sensor to cylinder head with new seal ring - tightening torque 18 Nm / 13.5 lbf. ft.
Connect wiring harness plug to coolant temperature sensor.
Install engine cover.
Top up cooling system - see operations "Cooling System, Top up and Bleed" and "Cooling System, Check for Leaks".
Remove, Disconnect 
Install, Connect 