Subaru Legacy III (2000-2003 year). Manual - part 400

FU(H4DOSTC)-66

FUEL INJECTION (FUEL SYSTEMS)

FUEL DAMPER VALVE

27.Fuel Damper Valve

A: REMOVAL

1) Release the fuel pressure. <Ref. to
FU(H4DOSTC)-44, RELEASING OF FUEL PRES-
SURE, OPERATION, Fuel.>
2) Remove the fuel damper valve from fuel delivery
line (A) and return line (B).

B: INSTALLATION

Install in the reverse order of removal.

FU-00686

( A )

( B )

FU(H4DOSTC)-67

FUEL INJECTION (FUEL SYSTEMS)

FUEL DELIVERY, RETURN AND EVAPORATION LINES

28.Fuel Delivery, Return and Evaporation Lines

A: REMOVAL

1) Set the vehicle on the lift.
2) Release the fuel pressure. <Ref. to FU(H4DOSTC)-44, RELEASING OF FUEL PRESSURE, OPERA-
TION, Fuel.>
3) Open the fuel filler flap lid, and then remove the fuel filler cap.
4) Remove the floor mat.  <Ref. to EI-48, REMOVAL, Floor Mat.>
5) Remove the fuel delivery pipes and hoses, fuel return pipes and hoses, evaporation pipes and hoses.

6) In engine compartment, detach the fuel delivery
hoses, return hoses and evaporation hose.

7) Lift-up the vehicle.

8) Disconnect the two-way valve hose (A) from the
two-way valve and disconnect evaporation hose
(B) from evaporation pipe.

FU-00687

FU-00032

FU-00674

( A )

( B )

FU(H4DOSTC)-68

FUEL INJECTION (FUEL SYSTEMS)

FUEL DELIVERY, RETURN AND EVAPORATION LINES

9) Separate the quick connector on fuel delivery
and return line.

(1) Clean the pipe and connector, if they are
covered with dust.
(2) Hold the connector (A) and push retainer (B)
down.
(3) Pull out the connector (A) from retainer (B).

NOTE:
Replace the retainer with new ones.

B: INSTALLATION

1) Connect the quick connector on fuel delivery and
return line.

NOTE:
• Always use a new retainer.
• Make sure that the connected portion is not dam-
aged or has dust. If necessary, clean the seal sur-
face of pipe.

(1) Set a new retainer (B) to connector (A).
(2) Push the pipe into connector completely.

NOTE:
At this time, two clicking sounds are heard.

NOTE:
• Pull the connector to ensure it is connected se-
curely.
• Ensure the two retainer pawls are engaged in
their mating positions in the connrcotr.
• Be sure to inspect the hoses and their conections
leakage of fuel.

(A) Connector

(B) Retainer

(C) Pipe

(A) Seal surface

FU-00124

( A )

( B )

( C )

FU-00125

(A) Connector

(B) Retainer

(C) Pipe

(A) Connector

(B) Retainer

(C) Pipe

FU-00126

( A )

( B )

( C )

FU-00127

( A )

( B )

( C )

FU(H4DOSTC)-69

FUEL INJECTION (FUEL SYSTEMS)

FUEL DELIVERY, RETURN AND EVAPORATION LINES

2) Connect the fuel delivery hose to pipe with an
overlap of 20 to 25 mm (0.79 to 0.98 in).
Type A: When fitting length is specified.
Type B: When fitting length is not specified.

2

 : 2.5

±±±±

1.5 mm (0.098

±±±±

0.059 in)

L: 22.5

±±±±

2.5 mm (0.886

±±±±

0.098 in)

3) Connect the evaporation hose to pipe by approx.
15 mm (0.59 in) from hose end.

L = 17.5

±±±±

2.5 mm (0.689

±±±±

0.098 in)

NOTE:
Be sure to inspect the hoses and their connections
for any leakage of huel.

C: INSPECTION

1) Make sure that there are no cracks on the fuel
pipes and fuel hoses.
2) Make sure that the fuel pipe and fuel hose con-
nections are tight.

(1) Fitting

(2) Clamp

(3) Hose

(A) Type A

(B) Type B

(1) Hose

(2) Clip

(3) Pipe

( 1 )

( 2 )

( 3 )

FU-00688

L

( A )

( B )

( 1 )

( 2 )

( 3 )

FU-00129

L

L/2