Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Manual — part 39

FU(STI)-68

Fuel

FUEL INJECTION (FUEL SYSTEMS)

3. DRAINING FUEL (THROUGH THE FUEL

FILLER HOSE)

• 4 door model
WARNING:

Place “NO OPEN FLAMES” signs near the

working area.
CAUTION:

• Be careful not to spill fuel.

• Fuel may remain in the fuel filler pipe. Drain

the fuel from the fuel filler pipe through the fill

opening using the gasoline proof pump and the

gasoline proof hose (ø10 or less) before the op-

eration.
NOTE:

Be aware that the fuel may remain in the fuel tank

after draining the fuel.

1) Lift up the vehicle.

2) Remove the rear exhaust pipe and muffler.

<Ref. to EX(STI)-13, REMOVAL, Rear Exhaust

Pipe.> <Ref. to EX(STI)-15, REMOVAL, Muffler.>

3) Remove the rear sub frame. <Ref. to RS-17, RE-

MOVAL, Rear Sub Frame.>

4) Open the fuel filler lid and remove the fuel filler

cap.

5) Drain the fuel from the fuel filler pipe through the

filler opening using the gasoline proof pump and

the gasoline proof hose (ø10 or less).

6) Disconnect the fuel filler hose from the fuel filler

pipe assembly.
CAUTION:

• Be careful not to spill fuel.

• Catch the fuel from hoses using a container

or cloth.

7) Set the container under the vehicle and insert

the gasoline proof hose (ø10 or less) into the fuel

filler hose to drain the fuel.
CAUTION:

Be careful not to spill fuel.

8) Install the related parts in the reverse order after

draining the fuel.
NOTE:

Correctly insert the fuel filler hose to the spool, and

then install the clamp as shown.
Tightening torque:

2.5 N·m (0.3 kgf-m, 1.8 ft-lb)

• 5 door model
WARNING:

Place “NO OPEN FLAMES” signs near the

working area.
CAUTION:

• Be careful not to spill fuel.

• Fuel may remain in the fuel filler pipe. Drain

the fuel from the fuel filler pipe through the fill

opening using the gasoline proof pump and the

gasoline proof hose (ø10 or less) before the op-

eration.
NOTE:

Be aware that the fuel may remain in the fuel tank

after draining the fuel.

1) Lift up the vehicle.

2) Remove the rear exhaust pipe and muffler.

<Ref. to EX(STI)-13, REMOVAL, Rear Exhaust

Pipe.> <Ref. to EX(STI)-15, REMOVAL, Muffler.>

3) Open the fuel filler lid and remove the fuel filler

cap.

4) Drain the fuel from the fuel filler pipe through the

filler opening using the gasoline proof pump and

the gasoline proof hose (ø10 or less).

FU-05836

(1) Fuel filler hose
(2) Clamp
(3) Spool
(4) Fuel filler pipe

FU-05815

(1)

(2)

(4)

L

L/2

(3)

FU(STI)-69

Fuel

FUEL INJECTION (FUEL SYSTEMS)

5) Disconnect the fuel filler hose from the fuel filler

pipe assembly.
CAUTION:

• Be careful not to spill fuel.

• Catch the fuel from hoses using a container

or cloth.

6) Set the container under the vehicle and insert

the gasoline proof hose (ø10 or less) into the fuel

filler hose to drain the fuel.
CAUTION:

Be careful not to spill fuel.

7) Install the related parts in the reverse order after

draining the fuel.
NOTE:

Correctly insert the fuel filler hose to the spool, and

then install the clamp as shown.
Tightening torque:

2.5 N·m (0.3 kgf-m, 1.8 ft-lb)

(1) Fuel filler hose
(2) Clamp
(3) Spool
(4) Fuel filler pipe

FU-04609

FU-05815

(1)

(2)

(4)

L

L/2

(3)

FU(STI)-70

Fuel Tank

FUEL INJECTION (FUEL SYSTEMS)

25.Fuel Tank

A: REMOVAL

WARNING:

Place “NO OPEN FLAMES” signs near the

working area.
CAUTION:

• Be careful not to spill fuel.

• Catch the fuel from the tubes using a contain-

er or cloth.

1) Release the fuel pressure. <Ref. to FU(STI)-67,

RELEASING OF FUEL PRESSURE, PROCE-

DURE, Fuel.>

2) Drain fuel. <Ref. to FU(STI)-67, DRAINING

FUEL (WITH SUBARU SELECT MONITOR),

PROCEDURE, Fuel.>

3) Disconnect the ground cable from battery.

4) Remove the rear seat cushion. <Ref. to SE-13,

REMOVAL, Rear Seat.>

5) Remove the service hole cover of fuel pump.

(1) Disconnect fuel pump connector (A), and re-

move clip (B).

(2) Remove the screw (C).

(3) Push the grommet (D) down and remove the

service hole cover.

6) Remove the service hole cover of fuel sub level

sensor.

7) Disconnect the quick connector of fuel delivery

tube (A) and fuel return tube (B). <Ref. to FU(STI)-

93, REMOVAL, Fuel Delivery, Return and Evapo-

ration Lines.>

8) Remove the rear wheels.

9) Lift up the vehicle.

10) Remove the rear ABS wheel speed sensor

from the rear housing.

11) Remove the rear brake hose bracket from rear

housing.

IN-00203

FU-06552

(A)

(B)

(D)

(C)

(C)

FU-06553

FU-05675

(B)

(A)

FU-03357

FU-04088

FU(STI)-71

Fuel Tank

FUEL INJECTION (FUEL SYSTEMS)

12) Remove the rear disc brake assembly and tie it

to the body side of the vehicle.

13) Remove the parking brake cable from parking

brake assembly. <Ref. to PB-6, REMOVAL, Park-

ing Brake Assembly (Rear Disc Brake).>

14) Remove the rear exhaust pipe and muffler.

<Ref. to EX(STI)-13, REMOVAL, Rear Exhaust

Pipe.> <Ref. to EX(STI)-15, REMOVAL, Muffler.>

15) Remove the propeller shaft. <Ref. to DS-11,

REMOVAL, Propeller Shaft.>

16) Remove the heat shield cover and fuel tank

protector.

17) Disconnect the connector from the rear ABS

wheel speed sensor.

18) Remove the parking brake cable clamp from

the body.

19) Disconnect the connectors from oil tempera-

ture switch (A) and ground (B), and remove the

clips (C) which secure the harness.

20) Remove the rear suspension assembly.
WARNING:

A helper is required to perform this work.

(1) Support the rear differential with the trans-

mission jack.

(2) Remove the bolt and nut which secure rear

shock absorber to rear suspension arm.

FU-04387

FU-03277

FU-03278

FU-04571

(A)

(B)

(C)

FU-03359