Engine Coolant Temperature Sensor (Fa20): Removal

Disconnection of the battery ground terminal (Refer to WORKING PRECAUTIONS AND NOTES )
Draining of coolant (SUBARU Super Coolant) (Refer to COOLANT (FA20) )
Removal of intake manifold (Refer to DISASSEMBLY )
Removal of engine water temperature sensor
1. Disconnect the connector for engine water temperature sensor.
  
  Fig 1: Locating Engine Water Temperature Sensor Connector
  Courtesy of SUBARU OF AMERICA, INC.
2. Remove the engine water temperature sensor and gasket.
  
  Fig 2: Removing Engine Water Temperature Sensor And Gasket
  Courtesy of SUBARU OF AMERICA, INC.