Subaru 2009 IMPREZA Service Manual page 939

FUEL INJECTION (FUEL SYSTEMS)
2. Throttle Body
A: REMOVAL
1) Set the vehicle on a lift.
2) Disconnect the ground cable from battery.
3) Lift up the vehicle.
4) Remove the under cover.
5) Drain approximately 3.0 2 (3.2 US qt, 2.6 Imp
qt) of coolant. <Ref. to CO(H4DOTC)-14, DRAIN-
ING OF ENGINE COOLANT, REPLACEMENT,
Engine Coolant.>
6) Remove the intercooler. <Ref. to IN(H4DOTC)-
13, REMOVAL, Intercooler.>
7) Disconnect the connectors from the throttle posi-
tion sensor.
8) Remove the bolts which secure the air by-pass
pipe and PCV pipe to the intake manifold, and loos-
en the clamp which connects the throttle body and
duct.
9) Remove the duct from the throttle body.
Throttle Body
10) Disconnect the engine coolant hose from throt-
tle body.
11) Remove the bolts which secure the throttle
body to the intake manifold and remove the throttle
body.
IN-00203
FU-03463
FU-03020
FU(H4DOTC)-14
FU-03814
FU-03815