catalytic converter 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

B2M0312
9) Disconnect connector from rear oxygen sensor.
B2M0054
10) Remove front exhaust pipe.
(1) Separate front catalytic converter from center
exhaust pipe.
(2) Remove front exhaust pipe from engine.
(3) Remove bolt which installs front exhaust pipe on
bracket.
G2M0293
11) Remove nuts which install front cushion rubber onto
front crossmember.
G2M0081
12) Remove bolts which install oil pan on cylinder block
while raising up engine.
13) Insert oil pan cutter blade between cylinder block-to-oil
pan clearance.
CAUTION:
Do not use a screwdriver or similar tool in place of oil
pan cutter.
G2M0082
14) Separate oil strainer from oil strainer stay.
9
2-4SERVICE PROCEDURE
2. Oil Pan and Oil Strainer

B2M0055
(3) Tighten nuts which install front catalytic converter to
center exhaust pipe.
Tightening torque:
35±5 N⋅m (3.6±0.5 kg-m, 26.0±3.6 ft-lb)
B2M0056
(4) Tighten bolt which installs front exhaust pipe on
bracket.
Tightening torque:
24±3 N⋅m (2.4±0.3 kg-m, 17.4±2.2 ft-lb)
B2M0312
9) Connect connector to rear oxygen sensor.
B2M0053
10) Lower the vehicle.
CAUTION:
At this time, lower lifting device and release steel
cables.
11) Remove lifting device and steel cables.
G2M0544
12) Connect connector to front oxygen sensor.
12
2-4SERVICE PROCEDURE
2. Oil Pan and Oil Strainer