SUBARU LEGACY 1999 Service User Guide

5. EGR Valve (2500 cc Model)
A: REMOVAL AND INSTALLATION
1) Remove air intake chamber.
B2M1679
2) Disconnect vacuum hose from EGR valve.
3) Remove bolts which install EGR valve onto
intake manifold.
B2M0423
4) Installation is in the reverse order of removal.
CAUTION:
Replace gasket with a new one.
Tightening torque:
18.6
±1.5 N´m (1.9±0.15 kg-m, 13.7±1.1
ft-lb)
6. Back-Pressure Transducer
(BPT) (2500 cc Model)
A: REMOVAL AND INSTALLATION
1) Disconnect vacuum hoses from BPT.
2) Remove BPT from bracket.
S2M0057
3) Installation is in the reverse order of removal.
9
[W6A0]2-1SERVICE PROCEDURE
6. Back-Pressure Transducer (BPT) (2500 cc Model)

5. EGR Valve (2500 cc Model)
A: REMOVAL AND INSTALLATION
1) Remove air intake chamber.
B2M1679
2) Disconnect vacuum hose from EGR valve.
3) Remove bolts which install EGR valve onto
intake manifold.
B2M0423
4) Installation is in the reverse order of removal.
CAUTION:
Replace gasket with a new one.
Tightening torque:
18.6
±1.5 N´m (1.9±0.15 kg-m, 13.7±1.1
ft-lb)
6. Back-Pressure Transducer
(BPT) (2500 cc Model)
A: REMOVAL AND INSTALLATION
1) Disconnect vacuum hoses from BPT.
2) Remove BPT from bracket.
S2M0057
3) Installation is in the reverse order of removal.
9
[W6A0]2-1SERVICE PROCEDURE
6. Back-Pressure Transducer (BPT) (2500 cc Model)

7. EGR Solenoid Valve (2500 cc
Model)
A: REMOVAL AND INSTALLATION
1) Disconnect battery ground cable.
B2M1723
2) Remove air intake chamber. [W18A0].>
B2M1679
3) Disconnect vacuum hoses from EGR solenoid
valve.
4) Disconnect connector from EGR solenoid
valve.
S2M0058A
5) Remove bolt which installs EGR solenoid valve
onto intake manifold.
S2M0059
6) Installation is in the reverse order of removal.
Tightening torque:
15.7
±1.5 N´m (1.6±0.15 kg-m, 11.6±1.1
ft-lb)
10
2-1[W7A0]SERVICE PROCEDURE
7. EGR Solenoid Valve (2500 cc Model)

8. Fuel Temperature Sensor
A: REMOVAL
1) Release fuel pressure.
2) Remove fuel filler cap.
B2M1746
3) Disconnect battery ground cable.
B2M1723
4) Disconnect fuel delivery hose (A), return hose
(B) and jet pump hose (C).
B2M0954E
5) Remove nuts which install fuel pump assembly
onto fuel tank.
B2M0955
6) Take off fuel pump assembly from fuel tank.
B2M0956
7) Disconnect connector from fuel pump bracket.
S2M0145
8) Remove main fuel level sensor from fuel pump
assembly.
NOTE:
Fuel temperature sensor is a unit with fuel pump.
If replacing it, replace as a fuel pump.
S2M0855
11
[W8A0]2-1SERVICE PROCEDURE
8. Fuel Temperature Sensor

B: INSTALLATION
CAUTION:
Leave fuel filler cap open when tightening nuts,
to prevent fuel from flowing out through fuel
delivery and return pipes. Close fuel filler cap
after tightening nuts.
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 alphabetical 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)
B2M0955C
9. Fuel Tank Pressure Sensor
A: REMOVAL AND INSTALLATION
1) Release fuel pressure.
2) Open fuel flap lid, and remove fuel filler cap.
B2M1746
3) Disconnect battery ground cable.
B2M1723
4) Drain fuel from fuel tank.
G2M0345
5) Remove fuel tank.
S2M0169A
12
2-1[W8B0]SERVICE PROCEDURE
9. Fuel Tank Pressure Sensor

B: INSTALLATION
CAUTION:
Leave fuel filler cap open when tightening nuts,
to prevent fuel from flowing out through fuel
delivery and return pipes. Close fuel filler cap
after tightening nuts.
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 alphabetical 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)
B2M0955C
9. Fuel Tank Pressure Sensor
A: REMOVAL AND INSTALLATION
1) Release fuel pressure.
2) Open fuel flap lid, and remove fuel filler cap.
B2M1746
3) Disconnect battery ground cable.
B2M1723
4) Drain fuel from fuel tank.
G2M0345
5) Remove fuel tank.
S2M0169A
12
2-1[W8B0]SERVICE PROCEDURE
9. Fuel Tank Pressure Sensor

6) Remove protector cover.
B2M1773
7) Disconnect connector from fuel tank pressure
sensor.
B2M2792
8) Release clips which hold fuel pipes onto fuel
tank.
B2M1775A
9) Move two fuel pipes to upper side, and remove
bolt which install fuel tank pressure sensor to
bracket.
B2M1776
10) Move clip, and disconnect pressure hose from
fuel tank.
B2M2793
11) Disconnect pressure hose from fuel tank pres-
sure sensor.
B2M1779
12) Installation is in the reverse order of removal.
Tightening torque:
7.35
±1.96 N´m (0.75±0.20 kg-m, 5.4±1.4
ft-lb)
B2M1776
13
[W9A0]2-1SERVICE PROCEDURE
9. Fuel Tank Pressure Sensor

10. Pressure Control Solenoid
Valve
A: REMOVAL AND INSTALLATION
1) Disconnect battery ground cable.
B2M1723
2) Remove canister.
B2M1780
3) Remove bolt which installs pressure control
solenoid valve holding bracket on body.
B2M1781
4) Disconnect connector from pressure control
solenoid valve.
B2M1782
5) Disconnect two evaporation hoses from pres-
sure control solenoid valve.
6) Remove pressure control solenoid valve with
bracket.
B2M1783
7) Remove pressure control solenoid valve from
bracket.
B2M1786
8) Disconnect vacuum hose from pressure control
solenoid valve.
B2M1785
14
2-1[W10A0]SERVICE PROCEDURE
10. Pressure Control Solenoid Valve

9) Installation is in the reverse order of removal.
Tightening torque:
24.5
±5 N´m (2.5±0.5 kg-m, 18.1±3.6 ft-lb)
B2M1781
11. Vent Control Solenoid Valve
(2500 cc Model)
A: REMOVAL
1) Disconnect battery ground cable.
B2M1723
2) Lift-up the vehicle.
3) Remove canister.
B2M1780
4) Disconnect two hoses from air filter.
B2M1888A
15
[W11A0]2-1SERVICE PROCEDURE
11. Vent Control Solenoid Valve (2500 cc Model)

9) Installation is in the reverse order of removal.
Tightening torque:
24.5
±5 N´m (2.5±0.5 kg-m, 18.1±3.6 ft-lb)
B2M1781
11. Vent Control Solenoid Valve
(2500 cc Model)
A: REMOVAL
1) Disconnect battery ground cable.
B2M1723
2) Lift-up the vehicle.
3) Remove canister.
B2M1780
4) Disconnect two hoses from air filter.
B2M1888A
15
[W11A0]2-1SERVICE PROCEDURE
11. Vent Control Solenoid Valve (2500 cc Model)