Engine Coolant Temperature Sensor: Removal

Disconnect the ground cable from battery. Ref. to REPAIR CONTENTS>NOTE>BATTERY .
Drain engine coolant. Ref. to COOLING (H4DO)>Engine Coolant>REPLACEMENT>DRAINING OF ENGINE COOLANT .
Remove the clip from the air intake boot, and loosen the clamp.

Fig 1: Locating Air Intake Boot Clip
Courtesy of SUBARU OF AMERICA, INC.
Remove the air intake boot, and place it aside so that it does not interfere with the work.
CAUTION: Be careful not to pull out the PCV hose.

Fig 2: Removing Air Intake Boot
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the connector (A) from the engine coolant temperature sensor, and remove the engine coolant temperature sensor using the ST.
NOTE: STRUT MOUNT SOCKET (20099PA000) can also be used.

Preparation tool:

ST: STRUT MOUNT SOCKET (20399AG000)

Fig 3: Disconnecting Engine Coolant Temperature Sensor Connector
Courtesy of SUBARU OF AMERICA, INC.