sensor SUBARU LEGACY 1996 Service Repair Manual

B2M0335
8. Rear Oxygen Sensor
A: REMOVAL
1. EXCEPT CALIFORNIA 2200 cc MODEL
1) Lift-up the vehicle.
2) Disconnect connector from rear oxygen sensor.
3) Apply SUBARU CRC or its equivalent to threaded por-
tion of rear oxygen sensor, and leave it for one minute or
more.
SUBARU CRC (Part No. 004301003)
B2M0351
4) Remove rear oxygen sensor.
CAUTION:
When removing rear oxygen sensor, do not force rear
oxygen sensor especially when exhaust pipe is cold,
otherwise it will damage exhaust pipe.
B2M0740
2. CALIFORNIA 2200 cc MODEL
1) Disconnect connector from rear oxygen sensor.
2) Lift-up the vehicle.
3) Apply SUBARU CRC or its equivalent to threaded por-
tion of rear oxygen sensor, and leave it for one minute or
more.
SUBARU CRC (Part No. 004301003)
21
2-7SERVICE PROCEDURE
8. Rear Oxygen Sensor

B2M0741
4) Remove rear oxygen sensor.
CAUTION:
When removing rear oxygen sensor, do not force rear
oxygen sensor especially when exhaust pipe is cold,
otherwise it will damage exhaust pipe.
B2M0352A
B: INSTALLATION
1. EXCEPT CALIFORNIA 2200 cc MODEL
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.
B2M0351
2) Install rear oxygen sensor.
Tightening torque:
21±3 N⋅m (2.1±0.3 kg-m, 15.2±2.2 ft-lb)
3) Connect connector of rear oxygen sensor.
4) Lower the vehicle.
B2M0742A
2. CALIFORNIA 2200 cc MODEL
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.
22
2-7SERVICE PROCEDURE
8. Rear Oxygen Sensor

B2M0741
2) Install rear oxygen sensor.
Tightening torque:
21±3 N⋅m (2.1±0.3 kg-m, 15.2±2.2 ft-lb)
3) Lower the vehicle.
4) Connect connector to rear oxygen sensor.
23
2-7SERVICE PROCEDURE
8. Rear Oxygen Sensor

B2M0162
9. Throttle Position Sensor
A: REMOVAL AND INSTALLATION
1) Disconnect connector from throttle position sensor.
2) Remove throttle position sensor holding screws, and
remove it.
3) Installation is in the reverse order of removal.
Tightening torque:
2.2±0.2 N⋅m (0.22±0.02 kg-m, 1.6±0.1 ft-lb)
CAUTION:
When installing throttle position sensor, adjust to the
specified data.
B2M0163
B: ADJUSTMENT
1) Turn ignition switch to OFF.
2) Loosen throttle position sensor holding screws.
G2M0415
3) When using voltage meter;
(1) Take out ECM.
(2) Turn ignition switch to ON.
(3) Adjust throttle position sensor so that signal voltage
to ECM may be in specification.
Connector & Terminal / Specified voltage
(B84) No. 24 — (B84) No. 25 / 0.45 — 0.55 V
[Fully closed.]
(4) Tighten throttle position sensor holding screws.
G2M0096
4) When using Subaru Select Monitor;
(1) Connect Subaru Select Monitor to the data link con-
nector.
(2) Turn ignition switch to ON and SSM switch to ON.
(3) Select mode “F10”.
(4) Adjust throttle position sensor to specified data.
Condition / Specified data.
Throttle fully closed / 0.50 V
(5) Tighten throttle position sensor holding screws.
24
2-7SERVICE PROCEDURE
9. Throttle Position Sensor

G2M0416
10. Camshaft Position Sensor
A: REMOVAL AND INSTALLATION
1) Disconnect connector from camshaft position sensor.
G2M0417
2) Remove camshaft position sensor from camshaft sup-
port LH.
3) Installation is in the reverse order of removal.
Tightening torque:
6.4±0.5 N⋅m (0.65±0.05 kg-m, 4.7±0.4 ft-lb)
B2M0355
11. Pressure Sensor (AT model)
A: REMOVAL AND INSTALLATION
1) Disconnect connector from pressure sensor.
2) Disconnect hose from pressure sensor.
B2M0356
3) Remove pressure sensor from bracket.
4) Installation is in the reverse order of removal.
Tightening torque:
6.4±0.5 N⋅m (0.65±0.05 kg-m, 4.7±0.4 ft-lb)
25
2-7SERVICE PROCEDURE
10. Camshaft Position Sensor - 11. Pressure Sensor (AT model)

G2M0416
10. Camshaft Position Sensor
A: REMOVAL AND INSTALLATION
1) Disconnect connector from camshaft position sensor.
G2M0417
2) Remove camshaft position sensor from camshaft sup-
port LH.
3) Installation is in the reverse order of removal.
Tightening torque:
6.4±0.5 N⋅m (0.65±0.05 kg-m, 4.7±0.4 ft-lb)
B2M0355
11. Pressure Sensor (AT model)
A: REMOVAL AND INSTALLATION
1) Disconnect connector from pressure sensor.
2) Disconnect hose from pressure sensor.
B2M0356
3) Remove pressure sensor from bracket.
4) Installation is in the reverse order of removal.
Tightening torque:
6.4±0.5 N⋅m (0.65±0.05 kg-m, 4.7±0.4 ft-lb)
25
2-7SERVICE PROCEDURE
10. Camshaft Position Sensor - 11. Pressure Sensor (AT model)

1Clamp


2Fuel delivery hose A


3Fuel filter bracket


4Fuel filter holder


5Fuel filter cup


6Fuel filter


7Evaporation hose


8Clip


9Fuel delivery hose B


10Fuel return hose


11Roll over valve


12Roll over valve bracket


13Evaporation hose H


14Evaporation hose I


15Evaporation pipe B


16Canister hose A


17Canister hose B


18Canister holder


19Canister upper bracket


20Cushion rubber


21Canister lower bracket


22Canister


23Fuel pipe ASSY


24Fuel filler valve


25Fuel filler pipe


26Packing

27Ring A


28Ring B


29Fuel filler cap


30Fuel filler pipe protector


31Fuel tank pressure sensor


32Fuel tank pressure sensor hose A


33Fuel tank pressure sensor bracket


34Grommet


35Fuel tank pressure sensor hose B


36Air ventilator hose A


37Air ventilator pipe A


38Air ventilator hose B


39Air ventilator pipe B


40Air ventilator pipe protector


41Vent control solenoid valve


42Vent control solenoid valve hose


43Air filter hose A


44Air filter hose B


45Air filter


46Tapping screw
Tightening torque: N⋅m (kg-m, ft-lb)
T1: 23±7 (2.3±0.7, 17±5.1)
T2: 25±7 (2.5±0.7, 18±5.1)
9
2-8COMPONENT PARTS
2. Fuel Line

1. Exhaust System
1. 2500 cc MODEL
B2M0311A

1Upper front exhaust pipe cover CTR


2Lower front exhaust pipe cover CTR


3Band RH


4Band LH


5Upper front exhaust pipe cover LH


6Lower front exhaust pipe cover LH


7Front exhaust pipe


8Lower front exhaust pipe cover RH


9Upper front exhaust pipe cover RH


10Gasket


11Spring


12Rear exhaust pipe

13Self-locking nut


14Gasket


15Muffler


16Cushion rubber


17Clamp


18Upper center exhaust pipe cover


19Center exhaust pipe


20Clamp B


21Upper rear catalytic converter cover


22Lower rear catalytic converter cover


23Gasket


24Front oxygen sensor

25Rear oxygen sensor


26Front catalytic converter


27Lower front catalytic converter cover


28Upper 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)
2
2-9COMPONENT PARTS
1. Exhaust System

2. 2200 cc MODEL
B2M0723A

1Upper front exhaust pipe cover CTR


2Lower front exhaust pipe cover CTR


3Band RH


4Band LH


5Upper front exhaust pipe cover LH


6Lower front exhaust pipe cover LH


7Front exhaust pipe


8Lower front exhaust pipe cover RH


9Upper front exhaust pipe cover RH


10Gasket


11Spring


12Rear exhaust pipe


13Self-locking nut

14Gasket


15Muffler


16Cushion rubber


17Clamp


18Upper center exhaust pipe cover


19Center exhaust pipe


20Clamp B


21Upper rear catalytic converter cover


22Lower rear catalytic converter cover


23Gasket


24Front oxygen sensor


25Rear oxygen sensor (California 2200
cc model)

26Rear oxygen sensor (Except Califor-
nia 2200 cc model)


27Front catalytic converter


28Lower front catalytic converter cover


29Upper 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
2-9COMPONENT PARTS
1. Exhaust System

B2M0724
1. Front Exhaust Pipe and Center
Exhaust Pipe
A: REMOVAL
1) Disconnect front oxygen sensor connector.
B2M0725
2) Disconnect rear oxygen sensor connector. (California
2200 cc model)
B2M0312
3) Lift-up the vehicle.
4) Disconnect rear oxygen sensor connector. (Except Cali-
fornia 2200 cc model)
B2M0055
5) Separate center exhaust pipe from rear exhaust pipe.
B2M0054
6) Remove bolts which hold front exhaust pipe onto cylin-
der heads.
4
2-9SERVICE PROCEDURE
1. Front Exhaust Pipe and Center Exhaust Pipe