Subaru Legacy IV (2008 year). Manual - part 43

FU(H4SO)-61

Fuel Filter

FUEL INJECTION (FUEL SYSTEMS)

8) Lift the two tab holders connecting the pump as-
sembly to the fuel filter using a flat tip screwdriver
(with a shaft diameter of approx. 3 mm (0.12 in)),
etc., and separate the fuel filter and pump assem-
bly.

CAUTION:
• To prevent damaging the tabs of the pump
assembly, wrap the tip of flat tip screwdriver
(A), etc. with tape (B).

• Be careful not to drop or apply any impact to
the pump assembly.

NOTE:
If the spacer and o-ring is remaining on the pump
assembly, remove these.

B: INSTALLATION

1) Assemble o-ring (A) and spacer (B) to the fuel
pump, and attach the pump assembly to the fuel fil-
ter.

NOTE:
• Use new O-rings (8 mm (0.31 in) inner diameter).
• Use a new spacer.
• Apply gasoline to the o-ring.
• Insert the pump assembly until a “pop” is heard.

2) Connect the connector to the pump assembly.

FU-03929

(B)

(A)

FU-03927

(A)

(B)

FU-03859

FU-03986

FU(H4SO)-62

Fuel Filter

FUEL INJECTION (FUEL SYSTEMS)

3) Attach spring (A) to the metal rod of the sub tank
bracket assembly, and assemble the fuel filter as-
sembly.

NOTE:
Use a new spring.

4) Push the fuel filter assembly in the direction of
the arrow to compress, and attach clip (A).

NOTE:
Use a new clip.

5) Connect the fuel piping connector to the fuel fil-
ter assembly.

NOTE:
• Use new O-rings.
• Apply gasoline to the o-ring.
• The O-rings of the black and white connectors
are identified by a difference in diameter. Be careful
not to confuse the two during assembly.

O-ring inner diameter:

Black connector O-ring [Approx. 7 mm (0.28 in)]
White connector O-ring [Approx. 8 mm (0.31 in)]

6) Attach the O-ring (A) to the fuel filter assembly,
and attach the sub tank to the sub tank bracket as-
sembly.

NOTE:
• Use new O-rings (8 mm (0.31 in) inner diameter).
• Apply gasoline to the o-ring.
• Insert the pump assembly until a “pop” is heard.

FU-03985

(A)

(A)

FU-03861

(A)

FU-03851

FU-03987

(A)

FU(H4SO)-63

Fuel Filter

FUEL INJECTION (FUEL SYSTEMS)

7) Replace the cushion on the rear face of the sub
tank with a new cushion.

8) Connect the pump assembly connector to the
sub tank bracket assembly.

9) Install the fuel level sensor and fuel temperature
sensor. <Ref. to FU(H4SO)-57, INSTALLATION,
Fuel Level Sensor.>
10) Install the fuel pump assembly. <Ref. to
FU(H4SO)-56, INSTALLATION, Fuel Pump.>

FU-03863

FU-03983

FU(H4SO)-64

Fuel Damper

FUEL INJECTION (FUEL SYSTEMS)

28.Fuel Damper

A: REMOVAL

WARNING:
Place “NO OPEN FLAMES” signs near the
working area.

CAUTION:
• Be careful not to spill fuel.
• Catch the fuel from hoses using a container
or cloth.
1) Release the fuel pressure. <Ref. to FU(H4SO)-
43, RELEASING OF FUEL PRESSURE, PROCE-
DURE, Fuel.>
2) Remove the fuel damper from the fuel delivery
line.

B: INSTALLATION

CAUTION:
If fuel hoses or clamps are damaged, replace
them with new parts.
Install in the reverse order of removal.

Tightening torque:

1.25 N·m (0.1 kgf-m, 0.9 ft-lb)

FU-02870