Coolant Temperature Sensor, Remove and Install
Remove, Disconnect
Remove lower coolant hose from radiator - collect coolant.
Detach wiring harness plug from coolant temperature sensor. Remove coolant temperature sensor from cylinder head.
Install, Connect
Attach coolant temperature sensor to cylinder head with new seal ring - tightening torque 20 Nm/15 lbf. ft.
Connect wiring harness plug to coolant temperature sensor.
Attach lower coolant hose to radiator. Top up cooling system - see operation "Cooling System, Top up and Bleed" and "Cooling System, Check for Leaks".
Remove, Disconnect 
Install, Connect 