1999 SUBARU LEGACY Service Repair Manual

B: INSPECTION
Connect lead harness to connector terminal of fuel
pump, and apply battery power supply to check
whether the pump operate.
WARNING:
IWipe off the fuel completely.
IKeep battery as far apart from fuel pump as
possible.
IBe sure to turn the battery supply ON and
OFF on the battery side.
IDo not run fuel pump for a long time under
non-load condition.
G2M0366
C: INSTALLATION
Installation is in the reverse order of removal. Do
the following:
(1) Always use new gaskets.
(2) Ensure sealing portion is free from fuel or for-
eign particles before installation.
(3) Tighten nuts in numerical sequence shown in
Figure to specified torque.
Tightening torque:
4.4
±1.5 N´m (0.45±0.15 kg-m, 3.3±1.1 ft-lb)
G2M0346
6. Fuel Meter Unit
A: REMOVAL
NOTE:
Fuel meter unit is built in fuel pump assembly.
1) Release fuel pressure.
2) Disconnect fuel delivery hose (A), return hose
(B) and jet pump hose (C) (AWD model only).
B2M0048B
3) Remove nuts which install fuel pump assembly
onto fuel tank.
4) Take off fuel pump assembly.
G2M0344
22
2-8[W5B0]SERVICE PROCEDURE
6. Fuel Meter Unit

B: INSPECTION
Connect lead harness to connector terminal of fuel
pump, and apply battery power supply to check
whether the pump operate.
WARNING:
IWipe off the fuel completely.
IKeep battery as far apart from fuel pump as
possible.
IBe sure to turn the battery supply ON and
OFF on the battery side.
IDo not run fuel pump for a long time under
non-load condition.
G2M0366
C: INSTALLATION
Installation is in the reverse order of removal. Do
the following:
(1) Always use new gaskets.
(2) Ensure sealing portion is free from fuel or for-
eign particles before installation.
(3) Tighten nuts in numerical sequence shown in
Figure to specified torque.
Tightening torque:
4.4
±1.5 N´m (0.45±0.15 kg-m, 3.3±1.1 ft-lb)
G2M0346
6. Fuel Meter Unit
A: REMOVAL
NOTE:
Fuel meter unit is built in fuel pump assembly.
1) Release fuel pressure.
2) Disconnect fuel delivery hose (A), return hose
(B) and jet pump hose (C) (AWD model only).
B2M0048B
3) Remove nuts which install fuel pump assembly
onto fuel tank.
4) Take off fuel pump assembly.
G2M0344
22
2-8[W5B0]SERVICE PROCEDURE
6. Fuel Meter Unit

B: INSTALLATION
Installation is in the reverse order of removal. Do
the following:
(1) Always use new gaskets.
(2) Ensure sealing portion is free from fuel or for-
eign particles before installation.
(3) Tighten nuts in numerical sequence shown in
Figure to specified torque.
Tightening torque:
4.4
±1.5 N´m (0.45±0.15 kg-m, 3.3±1.1 ft-lb)
G2M0346
7. Fuel Delivery, Return and
Evaporation Lines
A: REMOVAL
1) Release fuel pressure.
2) Remove fuel filler cap.
3) Remove inner trim, insulator and rear seat.
4) Remove fuel delivery pipes and hoses, fuel
return pipes and hoses, and evaporation pipes and
hoses.
B2M1763C
5) In engine compartment, detach fuel delivery
hose, return hose and evaporation hose.
S2M0090A
23
[W7A0]2-8SERVICE PROCEDURE
7. Fuel Delivery, Return and Evaporation Lines

B: INSTALLATION
Installation is in the reverse order of removal. Do
the following:
(1) Always use new gaskets.
(2) Ensure sealing portion is free from fuel or for-
eign particles before installation.
(3) Tighten nuts in numerical sequence shown in
Figure to specified torque.
Tightening torque:
4.4
±1.5 N´m (0.45±0.15 kg-m, 3.3±1.1 ft-lb)
G2M0346
7. Fuel Delivery, Return and
Evaporation Lines
A: REMOVAL
1) Release fuel pressure.
2) Remove fuel filler cap.
3) Remove inner trim, insulator and rear seat.
4) Remove fuel delivery pipes and hoses, fuel
return pipes and hoses, and evaporation pipes and
hoses.
B2M1763C
5) In engine compartment, detach fuel delivery
hose, return hose and evaporation hose.
S2M0090A
23
[W7A0]2-8SERVICE PROCEDURE
7. Fuel Delivery, Return and Evaporation Lines

B: INSTALLATION
Installation is in the reverse order of removal.
1) Connect fuel delivery hose to pipe with an over-
lap 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.

: 1.0 Ð 4.0 mm (0.039 Ð 0.157 in)
L: 20 Ð 25 mm (0.79 Ð 0.98 in)
B2M1194B
(1) Fitting
(2) Clamp
(3) Hose
2) Connect evaporation hose to pipe by approx.
15 mm (0.59 in) from hose end.
L = 15 Ð 20 mm (0.59 Ð 0.79 in)
CAUTION:
Be sure to inspect hoses and their connections
for any leakage of fuel.
B2M1195A
(1) Hose
(2) Clip
(3) Pipe
8. Roll Over Valve
A: REMOVAL AND INSTALLATION
1) Lift-up the vehicle.
2) Remove roll over valve with bracket.
G2M0373
3) Disconnect hoses from roll over valve, and
remove it from bracket.
4) Installation is in the reverse order of removal.
CAUTION:
IDo not install top side of valve down.
IBefore installing bracket on body, securely
fit concave part of bracket to hole in body.
G2M0373
B: INSPECTION
1) Connect hoses to roll over valve as shown in
Figure.
G2M0374
2) While blowing through open end of hose, tilt
valve at least 90É left and right from normal posi-
tion.
24
2-8[W7B0]SERVICE PROCEDURE
8. Roll Over Valve

B: INSTALLATION
Installation is in the reverse order of removal.
1) Connect fuel delivery hose to pipe with an over-
lap 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.

: 1.0 Ð 4.0 mm (0.039 Ð 0.157 in)
L: 20 Ð 25 mm (0.79 Ð 0.98 in)
B2M1194B
(1) Fitting
(2) Clamp
(3) Hose
2) Connect evaporation hose to pipe by approx.
15 mm (0.59 in) from hose end.
L = 15 Ð 20 mm (0.59 Ð 0.79 in)
CAUTION:
Be sure to inspect hoses and their connections
for any leakage of fuel.
B2M1195A
(1) Hose
(2) Clip
(3) Pipe
8. Roll Over Valve
A: REMOVAL AND INSTALLATION
1) Lift-up the vehicle.
2) Remove roll over valve with bracket.
G2M0373
3) Disconnect hoses from roll over valve, and
remove it from bracket.
4) Installation is in the reverse order of removal.
CAUTION:
IDo not install top side of valve down.
IBefore installing bracket on body, securely
fit concave part of bracket to hole in body.
G2M0373
B: INSPECTION
1) Connect hoses to roll over valve as shown in
Figure.
G2M0374
2) While blowing through open end of hose, tilt
valve at least 90É left and right from normal posi-
tion.
24
2-8[W7B0]SERVICE PROCEDURE
8. Roll Over Valve

3) Ensure that there is no air flow when hose is
tilted greater than 90É.9. Fuel Sub Meter Unit
A: REMOVAL AND INSTALLATION
1) Disconnect battery ground cable.
G6M0095
2) Remove rear seat.
3) Remove service hole cover.
G2M0863
4) Disconnect connector from fuel sub meter, and
disconnect jet pump hose.
G2M0864
5) Remove fuel sub meter unit.
G2M0865
25
[W9A0]2-8SERVICE PROCEDURE
9. Fuel Sub Meter Unit

3) Ensure that there is no air flow when hose is
tilted greater than 90É.9. Fuel Sub Meter Unit
A: REMOVAL AND INSTALLATION
1) Disconnect battery ground cable.
G6M0095
2) Remove rear seat.
3) Remove service hole cover.
G2M0863
4) Disconnect connector from fuel sub meter, and
disconnect jet pump hose.
G2M0864
5) Remove fuel sub meter unit.
G2M0865
25
[W9A0]2-8SERVICE PROCEDURE
9. Fuel Sub Meter Unit