Page 577 of 2890
EXHAUST SYSTEM2-9
Page
C COMPONENT PARTS....................................................................................2
1. Exhaust System .......................................................................................2
W SERVICE PROCEDURE...............................................................................4
1. Front Exhaust Pipe and Center Exhaust Pipe ........................................4
2. Rear Exhaust Pipe ...................................................................................7
3. Muffler ......................................................................................................9
Page 578 of 2890
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
Page 579 of 2890
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
Page 580 of 2890
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
Page 581 of 2890
B2M0313
7) 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.
B2M0060
8) Separate front exhaust pipe from front catalytic con-
verter.
B2M0060
B: INSTALLATION
CAUTION:
Replace gaskets with new ones.
1) Install front catalytic converter to front 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)
5
2-9SERVICE PROCEDURE
1. Front Exhaust Pipe and Center Exhaust Pipe
Page 582 of 2890
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)
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. (Except Califor-
nia 2200 cc model)
B2M0725
7) Lower the vehicle.
8) Connect rear oxygen sensor connector. (California
2200 cc model)
B2M0724
9) Connect front oxygen sensor connector.
6
2-9SERVICE PROCEDURE
1. Front Exhaust Pipe and Center Exhaust Pipe
Page 583 of 2890
B2M0055
2. Rear Exhaust Pipe
A: REMOVAL
1) Separate rear exhaust pipe from center exhaust pipe.
B2M0061
2) Separate rear exhaust pipe from muffler.
CAUTION:
Be careful not to pull down rear exhaust pipe.
G2M0315
3) Remove rear exhaust pipe bracket from rubber cushion.
NOTE:
To facilitate removal, apply a coat of SUBARU CRC or
equivalent to pipe bracket in advance.
SUBARU CRC (Part No. 004301003)
G2M0315
B: INSTALLATION
CAUTION:
Replace gaskets with new ones.
1) Install rear exhaust pipe bracket to rubber cushion.
NOTE:
To facilitate installation, apply a coat of SUBARU CRC or
equivalent to mating area of rubber cushion in advance.
SUBARU CRC (Part No. 004301003)
B2M0061
2) Install rear exhaust pipe to muffler.
Tightening torque:
48±5 N⋅m (4.9±0.5 kg-m, 35.4±3.6 ft-lb)
7
2-9SERVICE PROCEDURE
2. Rear Exhaust Pipe
Page 584 of 2890
B2M0055
3) Install rear exhaust pipe to center exhaust pipe.
Tightening torque:
18±5 N⋅m (1.8±0.5 kg-m, 13.0±3.6 ft-lb)
8
2-9SERVICE PROCEDURE
2. Rear Exhaust Pipe