Impreza L Sport Wagon F4-2.2L SOHC (1999)
5. Disconnect connector from engine coolant temperature sensor.
6. Remove engine coolant temperature sensor.
7. Installation is in the reverse order of removal.
Tightening torque:
25 ± 3 Nm (2.5 ± 0.3 kg.m, 18.1 ± 2.2 ft.lb)