Subaru Legacy (2005 year). Manual - part 247

FU(H4DOTC)-13

FUEL INJECTION (FUEL SYSTEMS)

Intake Manifold

16) Disconnect the connectors from the engine
coolant temperature sensor (A), oil pressure switch
(B) and crankshaft position sensor (C).

17) Disconnect the knock sensor connector.

18) Disconnect the connector from intake camshaft
position sensor.

19) Disconnect the connector from intake oil flow
control solenoid valve.

20) Disconnect the connector from the exhaust
camshaft position sensor (A) and exhaust oil flow
control solenoid valve (B).

21) Disconnect the connector from ignition coil.

22) Remove the engine harness bracket from rock-
er cover.

(A)

(B)

(C)

FU-00027

FU-01164

FU-01165

FU-01166

FU-01167

(A)

(B)

IG-00092

FU-02155

FU(H4DOTC)-14

FUEL INJECTION (FUEL SYSTEMS)

Intake Manifold

23) Disconnect the fuel delivery hose, return hose
and evaporation hose.

CAUTION:
• Be careful not to spill fuel.
• Catch the fuel from hoses using a container
or cloth.

24) Remove the bolts which hold intake manifold
onto cylinder heads.

25) Remove the intake manifold.

B: INSTALLATION

1) Install the intake manifold onto cylinder heads.

NOTE:
Use a new gasket.

Tightening torque:

25 N

⋅

m (2.5 kgf-m, 18.4 ft-lb)

2) Connect the fuel delivery hose, return hose and
evaporation hose.

NOTE:
If fuel hoses or clamps are damaged, replace them
with new ones.

3) Tighten the hose clamp screws.

Tightening torque:

1.5 N

⋅

m (0.15 kgf-m, 1.1 ft-lb)

4) Connect the connectors to the exhaust camshaft
position sensor (A) and exhaust oil flow control so-
lenoid valve (B).

5) Connect the connector to intake oil flow control
solenoid valve.

FU-01168

FU-01169

FU-01169

FU-01168

FU-01167

(A)

(B)

FU-01166

FU(H4DOTC)-15

FUEL INJECTION (FUEL SYSTEMS)

Intake Manifold

6) Connect the connectors to the engine coolant
temperature sensor (A), oil pressure switch (B) and
crankshaft position sensor (C).

7) Connect the connector to knock sensor.

8) Connect the connector to intake crankshaft posi-
tion sensor.

9) Connect the connector to ignition coil.

10) Install the engine harness bracket to rocker
cover.

11) Connect the engine harness connectors to
bulkhead harness connectors.

12) Connect the brake booster hose.

(A)

(B)

(C)

FU-00027

FU-01164

FU-01165

IG-00092

FU-02155

FU-01162

FU-01163

FU-01161

FU(H4DOTC)-16

FUEL INJECTION (FUEL SYSTEMS)

Intake Manifold

13) Connect the engine coolant hoses to throttle
body.

14) Connect the PCV hose assembly to cylinder
block.

15) Install the coolant filler tank.
<Ref. to CO(H4DOTC)-31, INSTALLATION, Cool-
ant Filler Tank.>
16) Install the intercooler. <Ref. to IN(H4DOTC)-
12, INSTALLATION, Intercooler.>
17) Install the air cleaner case to intake duct.
18) Install the fuse of fuel pump to main fuse box.
19) Connect the ground cable to battery.
20) Lift-up the vehicle.
21) Install the under cover.
22) Fill engine coolant. <Ref. to CO(H4DOTC)-13,
FILLING OF ENGINE COOLANT, REPLACE-
MENT, Engine Coolant.>
23) Install the collector cover.

C: DISASSEMBLY

1) Disconnect the engine ground terminal from
ground stay.

2) Remove the solenoid valve bracket assembly
from intake manifold, and disconnect the connector
from the wastegate control solenoid valve, manifold
absolute pressure sensor and purge control sole-
noid valve.

3) Disconnect the evaporation hoses (A) and filter
assembly (B).

4) Disconnect the connector from throttle position
sensor.

5) Remove the throttle body from intake manifold.

FU-01158

FU-01160

FU-01170

EC-00219

FU-01172

(B)

(A)

FU-01157

FU-01159