1999 SUBARU LEGACY rear

B: INSTALLATION
1. 2200 cc CALIFORNIA SPEC. VEHICLES
1) Before installing rear oxygen sensor, apply anti-
seize compound only to threaded portion of rear
oxygen sensor to make the next removal easier.
CAUTION:
Never apply anti-seize compound to protector
of rear oxygen sensor.
Anti-seize compound:
SS-30 by JET LUBE
B2M0742A
2) Install rear oxygen sensor.
Tightening torque:
21
±3 N´m (2.1±0.3 kg-m, 15.2±2.2 ft-lb)
B2M0741
3) Lower the vehicle.
4) Connect connector to rear oxygen sensor.
S2M0128
5) Connect battery ground cable.
B2M1723
2. EXCEPT 2200 cc CALIFORNIA SPEC.
VEHICLES
1) Before installing rear oxygen sensor, apply anti-
seize compound only to threaded portion of rear
oxygen sensor to make the next removal easier.
Anti-seize compound:
SS-30 by JET LUBE
CAUTION:
Never apply anti-seize compound to protector
of rear oxygen sensor.
B2M0352A
2) Install rear oxygen sensor.
Tightening torque:
21
±3 N´m (2.1±0.3 kg-m, 15.2±2.2 ft-lb)
B2M0351
66
2-7[W8B1]SERVICE PROCEDURE
8. Rear Oxygen Sensor

3) Connect connector to rear oxygen sensor.
B2M0335
4) Lower the vehicle.
5) Connect battery ground cable.
B2M1723
9. Throttle Position Sensor
A: REMOVAL AND INSTALLATION
1. 2200 cc CALIFORNIA SPEC. VEHICLES
1) Disconnect battery ground cable.
B2M1723
2) Disconnect connector from throttle position
sensor.
B2M2297
3) Remove throttle position sensor holding
screws, and remove throttle position sensor itself.
B2M2757
67
[W9A1]2-7SERVICE PROCEDURE
9. Throttle Position Sensor

3) Connect connector to rear oxygen sensor.
B2M0335
4) Lower the vehicle.
5) Connect battery ground cable.
B2M1723
9. Throttle Position Sensor
A: REMOVAL AND INSTALLATION
1. 2200 cc CALIFORNIA SPEC. VEHICLES
1) Disconnect battery ground cable.
B2M1723
2) Disconnect connector from throttle position
sensor.
B2M2297
3) Remove throttle position sensor holding
screws, and remove throttle position sensor itself.
B2M2757
67
[W9A1]2-7SERVICE PROCEDURE
9. Throttle Position Sensor

13) Installation is in the reverse order of removal.
CAUTION:
Replace O-rings with new ones.
Tightening torque:
3.4
±0.5 N´m (0.35±0.05 kg-m, 2.5±0.4 ft-lb)
B2M2366
2. LH SIDE OF 2200 cc MODEL
1) Release fuel pressure.
2) Open fuel flap lid, and remove fuel filler cap.
B2M1746
3) Disconnect battery ground cable.
B2M1723
4) Disconnect connector from front window
washer motor.
5) Disconnect connector from rear gate glass
washer motor. (Wagon only)
S2M0546
6) Disconnect rear window glass washer hose
from washer motor, then plug connection with a
suitable cap.
7) Remove two bolts which install washer tank on
body.
B2M2764
8) Move washer tank, and secure it away from
working area.
B2M2023
82
2-7[W14A2]SERVICE PROCEDURE
14. Fuel Injector

2) Remove air intake chamber.

B2M1683
3) Remove operating cylinder. (MT vehicles only)

B2M1179D
NOTE:
Place the operating cylinder where it will not inter-
fere the work in process.
B2M1684
4) Disconnect knock sensor connector.
B2M1686
5) Remove knock sensor from cylinder block.
B2M1682
B: INSTALLATION
1. 2200 cc MODEL
1) Install knock sensor to cylinder block.
NOTE:
The knock sensor cord which is extracted from the
sensor must be positioned at a 45É angle against
the rear side of the engine.
Tightening torque:
23.5
±2.9 N´m (2.4±0.3 kg-m, 17.3±2.1 ft-lb)
B2M2316
2) Connect knock sensor connector and hold
knock sensor harness with band.
3) Install air intake chamber. (Except California
spec. vehicles)
B2M2301
91
[W19B1]2-7SERVICE PROCEDURE
19. Knock Sensor

4) Install air cleaner assembly. (California spec.
vehicles only)
B2M2320
5) Connect battery ground cable to battery ground
terminal.
B2M1723
2. 2500 cc MODEL
1) Install knock sensor to cylinder block.
NOTE:
The knock sensor cord which is extracted from the
sensor must be positioned at a 45É angle against
the rear side of the engine.
Tightening torque:
23.5
±2.9 N´m (2.4±0.3 kg-m, 17.3±2.1 ft-lb)
B2M1682A
2) Connect knock sensor connector.
B2M1686
NOTE:
The knock sensor connector must be connected
behind the engine coolant hose within the engine
components.
B2M1688A
B2M1689A
92
2-7[W19B2]SERVICE PROCEDURE
19. Knock Sensor

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. 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.
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