Subaru Legacy IV (2008 year). Manual - part 227

FU(H4DOTC)-11

General Description

FUEL INJECTION (FUEL SYSTEMS)

C: CAUTION

• Wear appropriate work clothing, including a cap,
protective goggles and protective shoes when per-
forming any work.
• Remove contamination including dirt and corro-
sion before removal, installation or disassembly.
• Keep the disassembled parts in order and pro-
tect them from dust and dirt.
• Before removal, installation or disassembly, be
sure to clarify the failure. Avoid unnecessary re-
moval, installation, disassembly and replacement.
• Vehicle components are extremely hot after driv-
ing. Be wary of receiving burns from heated parts.
• Be sure to tighten fasteners including bolts and
nuts to the specified torque.
• Place shop jacks or rigid racks at the specified
points.
• Before disconnecting connectors of sensors or
units, be sure to disconnect the ground cable from
the battery.
• Place “NO OPEN FLAMES” signs near the work-
ing area.
• Prepare a container and cloth to prevent scatter-
ing of fuels when performing work where fuels can
be spilled. If the fuel spills, wipe it off immediately to
prevent from penetrating into floor or flowing out for
environmental protection.
• Follow all government and local regulations con-
cerning disposal of refuse when disposing fuel.

FU(H4DOTC)-12

General Description

FUEL INJECTION (FUEL SYSTEMS)

D: PREPARATION TOOL

ILLUSTRATION

TOOL NUMBER

DESCRIPTION

REMARKS

42099AE000

QUICK 
CONNECTOR 
RELEASE

Used for disconnecting quick connector on the 
fuel delivery hose side of the engine compart-
ment.

18371AA000

CONNECTOR 
REMOVER

Used for disconnecting the quick connector on 
the fuel return hose of the engine compartment.

18353AA000

CLAMP PLIERS

• Used for removing and installing the PCV 
hose.
• This is a general tool made by the French com-
pany CAILLAU. (code) 54.0.000.205
To make this easier to obtain, it has been pro-
vided with a tool number.

18471AA000

FUEL PIPE 
ADAPTER

Used for draining fuel.

ST42099AE000

ST18371AA000

ST18353AA000

ST18471AA000

FU(H4DOTC)-13

General Description

FUEL INJECTION (FUEL SYSTEMS)

1B022XU0

SUBARU SELECT 
MONITOR III KIT

Used for draining fuel.

ILLUSTRATION

TOOL NUMBER

DESCRIPTION

REMARKS

ST1B022XU0

FU(H4DOTC)-14

Throttle Body

FUEL INJECTION (FUEL SYSTEMS)

2. Throttle Body

A: REMOVAL

1) Set the vehicle on a lift.
2) Remove the collector cover.
3) Disconnect the ground cable from battery.

4) Lift up the vehicle.
5) Remove the under cover.
6) 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.>
7) Remove the intercooler. <Ref. to IN(H4DOTC)-
12, REMOVAL, Intercooler.>
8) Disconnect the connectors from the throttle posi-
tion sensor.

9) 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.

10) Remove the duct from the throttle body.

11) Disconnect the engine coolant hoses from the
throttle body.

12) Remove the bolts which secure the throttle
body to the intake manifold, and remove the throttle
body.

IN-00203

FU-03463

FU-03020

FU-03814

FU-03815