1999 SUBARU LEGACY sensor

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) 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

(1) Upper front exhaust pipe cover
CTR
(2) Lower front exhaust pipe cover
CTR
(3) Band RH
(4) Band LH
(5) Upper front exhaust pipe cover
LH
(6) Lower front exhaust pipe cover
LH
(7) Front exhaust pipe
(8) Lower front exhaust pipe cover
RHUpper front exhaust pipe
cover RH
(9) Gasket
(10) Spring(11) Rear exhaust pipe
(12) Self-locking nut
(13) Gasket
(14) Gasket
(15) Muffler
(16) Cushion rubber
(17) Clamp
(18) Upper center exhaust pipe cover
(19) Center exhaust pipe
(20) Clamp B
(21) Upper rear catalytic converter
cover
(22) Lower rear catalytic converter
cover
(23) Gasket
(24) Front oxygen sensor(25) Rear oxygen sensor
(26) Front catalytic converter
(27) Front catalytic converterLower
front catalytic converter cover
(28) Upper front catalytic converter
cover
Tightening torque: N´m (kg-m, ft-lb)
T1:
13±3 (1.3±0.3, 9.4±2.2)
T2:18±5 (1.8±0.5, 13.0±3.6)
T3:30±5 (3.1±0.5, 22.4±3.6)
T4:35±5 (3.6±0.5, 26.0±3.6)
T5:48±5 (4.9±0.5, 35.4±3.6)
3
[C1A0]2-9COMPONENT PARTS
1. Exhaust System

B: 2500 cc MODEL
S2M0155A
(1) Upper front exhaust pipe cover
CTR
(2) Lower front exhaust pipe cover
CTR
(3) Band RH
(4) Band LH
(5) Upper front exhaust pipe cover
LH
(6) Lower front exhaust pipe cover
LH
(7) Front exhaust pipe
(8) Lower front exhaust pipe cover
RH
(9) Upper front exhaust pipe cover
RH
(10) Gasket
(11) Spring(12) Rear exhaust pipe
(13) Self-locking nut
(14) Gasket
(15) Muffler
(16) Cushion rubber
(17) Clamp
(18) Upper center exhaust pipe cover
(19) Center exhaust pipe
(20) Clamp B
(21) Upper rear catalytic converter
cover
(22) Lower rear catalytic converter
cover
(23) Gasket
(24) Front oxygen sensor
(25) Rear oxygen sensor (California
spec. vehicles)(26) Rear oxygen sensor (Except
California spec. vehicles)
(27) Front catalytic converter
(28) Lower front catalytic converter
cover
(29) Upper front catalytic converter
cover
Tightening torque: N´m (kg-m, ft-lb)
T1:
13±3 (1.3±0.3, 9.4±2.2)
T2:18±5 (1.8±0.5, 13.0±3.6)
T3:30±5 (3.1±0.5, 22.4±3.6)
T4:35±5 (3.6±0.5, 26.0±3.6)
T5:48±5 (4.9±0.5, 35.4±3.6)
4
2-9[C1B0]COMPONENT PARTS
1. Exhaust System

1. Front Exhaust Pipe
A: REMOVAL
1) Disconnect battery ground cable.
B2M1723
2) Disconnect front oxygen sensor connector.
B2M1979A
S2M0127A
3) Disconnect rear oxygen sensor connector.
(2500 cc California spec. vehicles)
S2M0128
4) Lift-up the vehicle.
5) Disconnect rear oxygen sensor connector.
(Except 2500 cc California spec. vehicles)
B2M0312
6) Separate center exhaust pipe from front
exhaust pipe.
S2M0052
7) Remove bolts which hold front exhaust pipe
onto cylinder heads.
CAUTION:
Be careful not to pull down front exhaust pipe
and center exhaust pipe.
S2M0236
5
[W1A0]2-9SERVICE PROCEDURE
1. Front Exhaust Pipe

8) Separate front exhaust pipe from front catalytic
converter.
S2M0053
B: INSTALLATION
1) Install front catalytic converter to front exhaust
pipe.
CAUTION:
Replace gaskets with new ones.
Tightening torque:
30
±5 N´m (3.1±0.5 kg-m, 22.4±3.6 ft-lb)
S2M0053
2) Tighten bolts which hold front exhaust pipe onto
cylinder heads.
Tightening torque:
30
±5 N´m (3.1±0.5 kg-m, 22.4±3.6 ft-lb)
3) Install center exhaust pipe to front exhaust
pipe.
Tightening torque:
35
±5 N´m (3.6±0.5 kg-m, 26.0±3.6 ft-lb)
S2M0052
4) Connect rear oxygen sensor connector. (Except
2500 cc California spec. vehicles)
B2M0312
5) Lower the vehicle.
6) Connect rear oxygen sensor connector. (2500
cc California spec. vehicles)
S2M0128
7) Connect front oxygen sensor connector.
B2M1979A
S2M0127A
6
2-9[W1B0]SERVICE PROCEDURE
1. Front Exhaust Pipe

8) Connect battery ground cable.
B2M1723
2. Center Exhaust Pipe
A: REMOVAL
1) Disconnect battery ground cable.
B2M1723
2) Lift-up the vehicle.
3) Disconnect rear oxygen sensor connector.
(Except 2500 cc California spec. vehicles)
B2M0312
4) Separate center exhaust pipe and rear catalytic
converter assembly from rear exhaust pipe.
B2M0055
7
[W2A0]2-9SERVICE PROCEDURE
2. Center Exhaust Pipe