Subaru Legacy (2005 year). Manual - part 172

FU(H4SO 2.5)-51

FUEL INJECTION (FUEL SYSTEMS)

Fuel Pump

C: INSPECTION

Connect the lead harness to the connector terminal
of fuel pump and apply the battery power supply to
check whether the pump operates.

WARNING:
• Wipe off the fuel completely.
• Keep battery as far apart from fuel pump as
possible.
• Be sure to turn the battery supply ON and
OFF on battery side.
• Do not run fuel pump for a long time under
non-load condition.

FU-01330

2
4
6

1
3
5

FU(H4SO 2.5)-52

FUEL INJECTION (FUEL SYSTEMS)

Fuel Level Sensor

27.Fuel Level Sensor

A: REMOVAL

WARNING:
• Place “NO FIRE” signs near the working area.
• Be careful not to spill fuel on the floor.
• Reduce the fuel in the fuel tank to less than 3/
4 beforehand. Be careful that fuel may spill
when the fuel is more than 3/4.

NOTE:
Fuel level sensor is built in fuel pump assembly.
1) Remove the fuel pump assembly. <Ref. to
FU(H4SO 2.5)-50, REMOVAL, Fuel Pump.>
2) Disconnect the connector from fuel pump brack-
et.

3) Remove the fuel level sensor.

B: INSTALLATION

Install in the reverse order of removal.

FU-01142

FU(H4SO 2.5)-53

FUEL INJECTION (FUEL SYSTEMS)

Fuel Sub Level Sensor

28.Fuel Sub Level Sensor

A: REMOVAL

WARNING:
• Place “NO FIRE” signs near the working area.
• Be careful not to spill fuel on the floor.
• Reduce the fuel in the fuel tank to less than 3/
4 beforehand. Be careful that fuel may spill
when the fuel is more than 3/4.
1) Drain fuel. <Ref. to FU(H4SO 2.5)-41, DRAIN-
ING FUEL, PROCEDURE, Fuel.>
2) Remove the rear seat.
3) Remove the service hole cover.

(1) Remove the bolts (A).
(2) Push the grommet (B) down and remove the
service hole cover.

4) Disconnect the connector from fuel sub level
sensor.

5) Disconnect the quick connector and then discon-
nect the fuel delivery hose, return hose and jet
pump hose. <Ref. to FU(H4SO 2.5)-56, REMOV-
AL, Fuel Delivery, Return and Evaporation Lines.>

6) Remove the nuts and bolts which install the fuel
sub level sensor on fuel tank.

7) Remove the fuel sub level sensor.

B: INSTALLATION

Install in the reverse order of removal.

NOTE:
Use a new gasket.
(1) Ensure the sealing portion is free from fuel or
foreign particles before installation.
(2) Tighten the nuts and bolts to specified torque in
the order as shown in the figure.

Tightening torque:

4.4 N

⋅

m (3.1 kgf-m, 3.2 ft-lb)

FU-01126

(B)

(A)

(A)

 FU-01143

(A) Jet pump hose

(B) Delivery hose

(C) Return hose

FU-01144

(B)

(C)

(A)

FU-01145

1

6

5

2

4

3

FU-01146

FU(H4SO 2.5)-54

FUEL INJECTION (FUEL SYSTEMS)

Fuel Filter

29.Fuel Filter

A: SPECIFICATION

Fuel filter forms a single unit with fuel pump.
Refer to “Fuel Pump” for removal and installation
procedures. <Ref. to FU(H4SO 2.5)-50, REMOV-
AL, Fuel Pump.> <Ref. to FU(H4SO 2.5)-50, IN-
STALLATION, Fuel Pump.>