SUBARU LEGACY 1995 Service Repair Manual

G2M0544
1. Front Catalytic Converter
A: REMOVAL
1) Disconnect front oxygen sensor connector.
B2M0312
2) Lift-up the vehicle.
3) Disconnect rear oxygen sensor connector.
B2M0055
4) Separate center exhaust pipe from rear exhaust pipe.
B2M0054
5) Remove bolts which hold front exhaust pipe onto cylin-
der heads.
B2M0313
6) Remove front exhaust pipe and center exhaust pipe
from hanger bracket.
CAUTION:
Be careful not to pull down front exhaust pipe and
center exhaust pipe.
2
2-1SERVICE PROCEDURE
1. Front Catalytic Converter

B2M0060
7) Separate front catalytic converter from front exhaust
pipe and center exhaust pipe.
B2M0060
B: INSTALLATION
CAUTION:
Replace gaskets with new ones.
1) Install front catalytic converter to front exhaust pipe and
center exhaust pipe.
Tightening torque:
30±5 N⋅m (3.1±0.5 kg-m, 22.4±3.6 ft-lb)
B2M0313
2) Install front exhaust pipe and center exhaust pipe.
And temporarily tighten bolt which installs center exhaust
pipe to hanger bracket.
B2M0054
3) Tighten bolts which hold front exhaust pipe onto cylin-
der heads.
Tightening torque:
30±5 N⋅m (3.1±0.5 kg-m, 22.4±3.6 ft-lb)
B2M0055
4) Install center exhaust pipe to rear exhaust pipe.
Tightening torque:
18±5 N⋅m (1.8±0.5 kg-m, 13.0±3.6 ft-lb)
3
2-1SERVICE PROCEDURE
1. Front Catalytic Converter

B2M0313
5) Tighten bolt which holds center exhaust pipe to hanger
bracket.
Tightening torque:
35±5 N⋅m (3.6±0.5 kg-m, 26.0±3.6 ft-lb)
B2M0312
6) Connect rear oxygen sensor connector.
G2M0544
7) Lower the vehicle.
8) Connect front oxygen sensor connector.
B2M0312
2. Rear Catalytic Converter
A: REMOVAL
1) Lift-up the vehicle.
2) Disconnect rear oxygen sensor connector.
B2M0055
3) Separate center exhaust pipe and rear catalytic con-
verter assembly from rear exhaust pipe.
4
2-1SERVICE PROCEDURE
1. Front Catalytic Converter - 2. Rear Catalytic Converter

B2M0313
5) Tighten bolt which holds center exhaust pipe to hanger
bracket.
Tightening torque:
35±5 N⋅m (3.6±0.5 kg-m, 26.0±3.6 ft-lb)
B2M0312
6) Connect rear oxygen sensor connector.
G2M0544
7) Lower the vehicle.
8) Connect front oxygen sensor connector.
B2M0312
2. Rear Catalytic Converter
A: REMOVAL
1) Lift-up the vehicle.
2) Disconnect rear oxygen sensor connector.
B2M0055
3) Separate center exhaust pipe and rear catalytic con-
verter assembly from rear exhaust pipe.
4
2-1SERVICE PROCEDURE
1. Front Catalytic Converter - 2. Rear Catalytic Converter

B2M0421
4) Separate center exhaust pipe and rear catalytic con-
verter assembly from front catalytic converter.
B2M0313
5) Remove center exhaust pipe and rear catalytic con-
verter assembly from hanger bracket.
CAUTION:

Be careful not to pull down center exhaust pipe.

After removing center exhaust pipe, do not apply
excessive pulling force on front catalytic converter
and front exhaust pipe.
B2M0313
B: INSTALLATION
CAUTION:
Replace gaskets with new ones.
1) Install center exhaust pipe and rear catalytic converter
assembly.
Temporarily tighten bolt which installs center exhaust pipe
to hanger bracket.
B2M0421
2) Install center exhaust pipe to front catalytic converter.
Tightening torque:
35±5 N⋅m (3.6±0.5 kg-m, 26.0±3.6 ft-lb)
B2M0055
3) Install center exhaust pipe to rear exhaust pipe.
Tightening torque:
18±5 N⋅m (1.8±0.5 kg-m, 13.0±3.6 ft-lb)
5
2-1SERVICE PROCEDURE
2. Rear Catalytic Converter

B2M0313
4) Tighten bolt which holds center exhaust pipe to hanger
bracket.
Tightening torque:
35±5 N⋅m (3.6±0.5 kg-m, 26.0±3.6 ft-lb)
B2M0312
5) Connect rear oxygen sensor connector.
G2M0375
3. Canister
A: REMOVAL AND INSTALLATION
1) Disconnect canister hoses from evaporation pipes.
2) Remove canister with bracket.
3) Installation is in the reverse order of removal.
CAUTION:
Insert air vent hose of canister into the hole on body.
B2M0422A
4. Purge Control Solenoid Valve
A: REMOVAL AND INSTALLATION
1) Remove bolt which installs purge control solenoid valve
onto intake manifold.
NOTE:
This figure shows the rear side of intake manifold.
6
2-1SERVICE PROCEDURE
2. Rear Catalytic Converter - 4. Purge Control Solenoid Valve

B2M0313
4) Tighten bolt which holds center exhaust pipe to hanger
bracket.
Tightening torque:
35±5 N⋅m (3.6±0.5 kg-m, 26.0±3.6 ft-lb)
B2M0312
5) Connect rear oxygen sensor connector.
G2M0375
3. Canister
A: REMOVAL AND INSTALLATION
1) Disconnect canister hoses from evaporation pipes.
2) Remove canister with bracket.
3) Installation is in the reverse order of removal.
CAUTION:
Insert air vent hose of canister into the hole on body.
B2M0422A
4. Purge Control Solenoid Valve
A: REMOVAL AND INSTALLATION
1) Remove bolt which installs purge control solenoid valve
onto intake manifold.
NOTE:
This figure shows the rear side of intake manifold.
6
2-1SERVICE PROCEDURE
2. Rear Catalytic Converter - 4. Purge Control Solenoid Valve

B2M0313
4) Tighten bolt which holds center exhaust pipe to hanger
bracket.
Tightening torque:
35±5 N⋅m (3.6±0.5 kg-m, 26.0±3.6 ft-lb)
B2M0312
5) Connect rear oxygen sensor connector.
G2M0375
3. Canister
A: REMOVAL AND INSTALLATION
1) Disconnect canister hoses from evaporation pipes.
2) Remove canister with bracket.
3) Installation is in the reverse order of removal.
CAUTION:
Insert air vent hose of canister into the hole on body.
B2M0422A
4. Purge Control Solenoid Valve
A: REMOVAL AND INSTALLATION
1) Remove bolt which installs purge control solenoid valve
onto intake manifold.
NOTE:
This figure shows the rear side of intake manifold.
6
2-1SERVICE PROCEDURE
2. Rear Catalytic Converter - 4. Purge Control Solenoid Valve

B2M0168
2) Take out purge control solenoid valve through the bot-
tom of the intake manifold.
3) Disconnect connector and hoses from purge control
solenoid valve.
4) Installation is in the reverse order of removal.
Tightening torque:
16±1.5 N⋅m (1.6±0.15 kg-m, 11.6±1.1 ft-lb)
B2M0423
5. EGR Valve
A: REMOVAL AND INSTALLATION
1) Disconnect vacuum hose from EGR valve.
2) Remove bolts which install EGR valve onto intake mani-
fold.
3) Installation is in the reverse order of removal.
CAUTION:
Replace gasket with a new one.
Tightening torque:
17.1 — 20.1 N⋅m (1.74 — 2.05 kg-m, 12.6 — 14.8
ft-lb)
B2M0424
6. Back-Pressure Transducer (BPT)
A: REMOVAL AND INSTALLATION
1) Disconnect vacuum hoses from BPT.
2) Remove BPT from bracket.
3) Installation is in the reverse order of removal.
7
2-1SERVICE PROCEDURE
4. Purge Control Solenoid Valve - 6. Back-Pressure Transducer (BPT)

B2M0168
2) Take out purge control solenoid valve through the bot-
tom of the intake manifold.
3) Disconnect connector and hoses from purge control
solenoid valve.
4) Installation is in the reverse order of removal.
Tightening torque:
16±1.5 N⋅m (1.6±0.15 kg-m, 11.6±1.1 ft-lb)
B2M0423
5. EGR Valve
A: REMOVAL AND INSTALLATION
1) Disconnect vacuum hose from EGR valve.
2) Remove bolts which install EGR valve onto intake mani-
fold.
3) Installation is in the reverse order of removal.
CAUTION:
Replace gasket with a new one.
Tightening torque:
17.1 — 20.1 N⋅m (1.74 — 2.05 kg-m, 12.6 — 14.8
ft-lb)
B2M0424
6. Back-Pressure Transducer (BPT)
A: REMOVAL AND INSTALLATION
1) Disconnect vacuum hoses from BPT.
2) Remove BPT from bracket.
3) Installation is in the reverse order of removal.
7
2-1SERVICE PROCEDURE
4. Purge Control Solenoid Valve - 6. Back-Pressure Transducer (BPT)