SUBARU LEGACY 1999 Service Repair Manual

4) Remove intake manifold pressure sensor from
throttle body.
B2M2373
5) Installation is in the reverse order of removal.
CAUTION:
Replace gaskets for intake air pressure sensor
and idle air control solenoid valve with new
ones.
Tightening torque:
2.2
±0.2 N´m (0.22±0.02 kg-m, 1.6±0.1 ft-lb)
B2M2373
21. Intake Air Temperature
Sensor (2200 cc California
Spec. Vehicles only)
A: REMOVAL AND INSTALLATION
1) Disconnect battery ground cable.
B2M1723
2) Disconnect connector from intake air tempera-
ture sensor.
B2M2285
3) Remove intake air temperature sensor from air
cleaner case.
B2M2374
4) Installation is in the reverse order of removal.
94
2-7[W21A0]SERVICE PROCEDURE
21. Intake Air Temperature Sensor (2200 cc California Spec. Vehicles only)

4) Remove intake manifold pressure sensor from
throttle body.
B2M2373
5) Installation is in the reverse order of removal.
CAUTION:
Replace gaskets for intake air pressure sensor
and idle air control solenoid valve with new
ones.
Tightening torque:
2.2
±0.2 N´m (0.22±0.02 kg-m, 1.6±0.1 ft-lb)
B2M2373
21. Intake Air Temperature
Sensor (2200 cc California
Spec. Vehicles only)
A: REMOVAL AND INSTALLATION
1) Disconnect battery ground cable.
B2M1723
2) Disconnect connector from intake air tempera-
ture sensor.
B2M2285
3) Remove intake air temperature sensor from air
cleaner case.
B2M2374
4) Installation is in the reverse order of removal.
94
2-7[W21A0]SERVICE PROCEDURE
21. Intake Air Temperature Sensor (2200 cc California Spec. Vehicles only)

1. Specifications
Fuel tankCapacity 60(15.9 US gal, 13.2 Imp gal)
Location Under rear seat
Fuel pumpType Impeller
Discharge pressure 299.1 kPa (3.05 kg/cm
2, 43.4 psi)
Discharge flowAWD: More than 80(21.1 US gal, 17.6 Imp gal)/h
[12 V at 300 kPa (3.06 kg/cm
2, 43.5 psi)]
Fuel filterCartridge type
2
2-8[S100]SPECIFICATIONS AND SERVICE DATA
1. Specifications

1. Fuel Tank
B2M2379A
3
[C100]2-8COMPONENT PARTS
1. Fuel Tank

(1) Heat sealed cover
(2) Fuel tank band
(3) Protector LH
(4) Protector RH
(5) Fuel tank
(6) Canister hose A
(7) Clamp
(8) Fuel pump gasket
(9) Main fuel meter unit
(10) Fuel pump ASSY
(11) Fuel cut valve gasket
(12) Fuel cut valve
(13) Evaporation hose A
(14) Clip
(15) Joint pipe(16) Evaporation hose C
(17) Evaporation hose B
(18) Evaporation hose D
(19) Evaporation hose E
(20) Evaporation pipe ASSY
(21) Canister hose B
(22) Jet pump hose A
(23) Fuel delivery hose A
(24) Fuel return hose A
(25) Clamp
(26) Jet pump hose B
(27) Fuel pipe ASSY
(28) Fuel delivery hose B
(29) Fuel return hose B
(30) Evaporation hose F(31) Fuel sub meter gasket
(32) Jet pump filter
(33) Fuel sub meter unit
(34) Protector cover
(35) Vent valve hose
(36) Vent valve
(37) Fuel tank pressure sensor
(38) Fuel tank pressure sensor hose
(39) Vent valve gasket
Tightening torque: N´m (kg-m, ft-lb)
T1:
4.4±1.5 (0.45±0.15, 3.3±1.1)
T2:7.4±2.0 (0.75±0.2, 5.4±1.4)
T3:33±10 (3.4±1.0, 25±7)
4
2-8[C100]COMPONENT PARTS
1. Fuel Tank

2. Fuel Line
B2M2380A
5
[C200]2-8COMPONENT PARTS
2. Fuel Line

(1) Clamp
(2) Fuel delivery hose A
(3) Fuel filter bracket
(4) Fuel filter holder
(5) Fuel filter cup
(6) Fuel filter
(7) Evaporation hose
(8) Clip
(9) Fuel delivery hose B
(10) Fuel return hose
(11) Roll over valve
(12) Roll over valve bracket
(13) Evaporation hose H
(14) Evaporation hose I
(15) Evaporation pipe B
(16) Evaporation hose J
(17) Evaporation hose K
(18) Joint pipe
(19) Canister hose A(20) Air filter hose A
(21) Drain valve hose
(22) Air filter hose B
(23) Air filter
(24) Drain valve
(25) Canister upper bracket
(26) Cushion rubber
(27) Canister lower bracket
(28) Canister holder
(29) Evaporation hose L
(30) Pressure control solenoid valve
(31) Canister hose B
(32) Pressure control solenoid valve
holder
(33) Canister
(34) Fuel pipe ASSY
(35) Fuel filler pipe
(36) Evaporation hose M
(37) Evaporation hose N(38) Shut valve
(39) Packing
(40) Ring A
(41) Ring B
(42) Fuel filler cap
(43) Fuel filler pipe protector
(44) Tapping screw
(45) Evaporation hose O
(46) Joint pipe
(47) Evaporation hose P
(48) Evaporation hose Q
(49) Evaporation pipe
Tightening torque: N´m (kg-m, ft-lb)
T1:
23±7 (2.3±0.7, 16.6±5.1)
T2:25±7 (2.5±0.7, 18.1±5.1)
6
2-8[C200]COMPONENT PARTS
2. Fuel Line

1. On-car Services
A: PRECAUTIONS
WARNING:
IPlace ªNo fireº signs near the working area.
IDisconnect ground terminal from battery.
IBe careful not to spill fuel on the floor.
B: RELEASING OF FUEL
PRESSURE
1) Take off floor mat.
2) Remove access hole lid.
G2M0340
3) Disconnect connector from fuel pump.
B2M0047
4) Start the engine, and run it until it stalls.
5) After the engine stalls, crank it for five more
seconds.
6) Turn ignition switch OFF.
C: DRAINING OF FUEL
1) Remove rear seat and seat back.2) Remove access hole lid.
G2M0340
3) Disconnect connector from fuel pump.
B2M0047
4) Release fuel pressure. <Ref. to 2-8 [W1B0].>
5) Disconnect fuel delivery hose (A), return hose
(B) and jet pump hose (C).
B2M0048B
6) Remove nuts which install fuel pump assembly
onto fuel tank.
G2M0343
7
[W1C0]2-8SERVICE PROCEDURE
1. On-car Services

7) Take off fuel pump from fuel tank.
G2M0344
8) Drain fuel from fuel tank by using a hand pump.
WARNING:
Do not use a motor pump when draining fuel.
G2M0345
9) After draining fuel, reinstall fuel pump.
Tighten nuts in numerical sequence shown in fig-
ure to specified torque.
Tightening torque:
4.4
±1.5 N´m (0.45±0.15 kg-m, 3.3±1.1 ft-lb)
G2M0346
10) After removing fuel sub meter unit, drain fuel
from there.
WARNING:
Do not use a motor pump when draining fuel.
B2M0049
D: MEASUREMENT OF FUEL
PRESSURE
WARNING:
Before removing fuel pressure gauge, release
fuel pressure.
NOTE:
If out of specification as measured at step 6),
check or replace pressure regulator and pressure
regulator vacuum hose.
1) Release fuel pressure. <Ref. to 2-8 [W1B0].>
2) Connect connector to fuel pump.
3) Disconnect fuel delivery hoses from fuel filter,
and connect fuel pressure gauge.
S2M0195
8
2-8[W1D0]SERVICE PROCEDURE
1. On-car Services

4) Start the engine.
5) Measure fuel pressure while disconnecting
pressure regulator vacuum hose from collector
chamber.
Fuel pressure:
284 Ð 314 kPa (2.9 Ð 3.2 kg/cm2,41Ð
46 psi)
G2M0348
6) After connecting pressure regulator vacuum
hose, measure fuel pressure.
Fuel pressure:
177 Ð 206 kPa (1.8 Ð 2.1 kg/cm2,26Ð
30 psi)
G2M0348
2. Fuel Tank
A: REMOVAL
1) Release fuel pressure. <Ref. to 2-8 [W1B0].>
2) Open fuel flap lid, and remove fuel filler cap.
B2M1746
3) Disconnect battery ground cable.
B2M1723
4) Drain fuel from fuel tank. <Ref. to 2-8 [W1C0].>
G2M0345
5) Remove rear seat cushion. (Sedan model)
<Ref. to 5-3 [W2A1].>
B2M1736
9
[W2A0]2-8SERVICE PROCEDURE
2. Fuel Tank