Throttle Body: Removal

Set the vehicle on a lift.
Disconnect the ground cable from battery.

Fig 1: Disconnecting Ground Cable From Battery
Courtesy of SUBARU OF AMERICA, INC.
Lift up the vehicle.
Remove the under cover.
Drain approximately 3.0 fi (3.2 US qt, 2.6 lmp qt) of coolant. Refer to DRAINING OF ENGINE COOLANT , REPLACEMENT, Engine Coolant.
Remove the air intake chamber. Refer to REMOVAL , Air Intake Chamber.
Disconnect the throttle position sensor connector (A) and manifold absolute pressure sensor connector (B).

Fig 2: Identifying Throttle Position Sensor Connector And Manifold Absolute Pressure Sensor Connector
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the engine coolant hoses (A) from the throttle body.
Remove the bolts (B) which secure the throttle body to the intake manifold, and remove the throttle body.

Fig 3: Identifying Engine Coolant Hoses And Bolts Which Secure Throttle Body To Intake Manifold
Courtesy of SUBARU OF AMERICA, INC.