1999 SUBARU LEGACY Service Repair Manual

5) Installation is in the reverse order of removal.
Tightening torque:
22.5
±7 N´m (2.3±0.7 kg-m, 16.6±5.1 ft-lb)
S2M0143A
4. Purge Control Solenoid
Valve
A: REMOVAL AND INSTALLATION
1) Disconnect battery ground cable.
B2M1723
2) Remove air cleaner assembly and air intake
duct (A) and (B) as a unit. (2200 cc California spec.
vehicles)
B2M2320
3) Remove air intake chamber and air intake duct
as a unit. (Except 2200 cc California spec. vehicles
and 2500 cc Model)

B2M2301
7
[W4A0]2-1SERVICE PROCEDURE
4. Purge Control Solenoid Valve

S6M0007A
4) Remove bolt which installs purge control sole-
noid valve to intake manifold.
S2M0055
5) Take out purge control solenoid valve.
6) Disconnect connector from purge control sole-
noid valve.
7) Disconnect vacuum hoses from purge control
solenoid valve.
S2M0056
8) 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)
B2M2384A
B2M1201B
CAUTION:
Carefully connect the evaporation hoses.
B2M1893A
8
2-1[W4A0]SERVICE PROCEDURE
4. Purge Control Solenoid Valve

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