Subaru Legacy (2005 year). Service manual — part 79
EX(H4SO 2.0)-3
EXHAUST
General Description
(1)
Front catalytic converter upper
cover
(11)
Center exhaust pipe lower cover
(23)
Rear exhaust pipe upper cover
(12)
Gasket
(24)
Rear exhaust pipe lower cover
(2)
Front catalytic converter
(13)
Front catalytic converter lower
cover
(3)
Center exhaust pipe
Tightening torque: N
⋅
m (kgf-m, ft-lb)
(4)
Center exhaust pipe upper cover
(14)
Front oxygen (A/F) sensor
T1: 13 (1.3, 9.4)
(5)
Rear catalytic converter upper
cover
(15)
Gasket
T2: 18 (1.8, 13.0)
(16)
Spring
T3: 21 (2.1, 15.2)
(6)
Rear catalytic converter
(17)
Chamber
T4: 30 (3.1, 22.4)
(7)
Rear oxygen sensor
(18)
Rear exhaust pipe
T5: 35 (3.6, 26.0)
(8)
Gasket
(19)
Cushion rubber
T6: 40.8 (4.2, 30.1)
(9)
Front exhaust pipe
(20)
Self-locking nut
T7: 48 (4.9, 35.4)
(10)
Rear catalytic converter lower
cover
(21)
Gasket
(22)
Muffler
EX(H4SO 2.0)-4
EXHAUST
General Description
• 2.5 L model
(14)
(8)
(8)
T3
T1
T2
T5
T1
T4
T4
T1
T1
(13)
(1)
(2)
(5)
(10)
(4)
(11)
(6)
(3)
(9)
(12)
T6
EX-02103
T7
(19)
(20)
(21)
(21)
(23)
(19)
(19)
(19)
(18)
(17)
(16)
(15)
(19)
(22)
T7
(20)
(7)
T3
T1
(24)
(25)
EX(H4SO 2.0)-5
EXHAUST
General Description
B: CAUTION
• Wear work clothing, including a cap, protective
goggles, and protective shoes during operation.
• Remove contamination including dirt and corro-
sion before removal, installation or disassembly.
• Keep the disassembled parts in order and pro-
tect them from dust and dirt.
• Before removal, installation or disassembly, be
sure to clarify the failure. Avoid unnecessary re-
moval, installation, disassembly and replacement.
• Be careful not to burn yourself, because each
part on the vehicle is hot after running.
• Be sure to tighten fasteners including bolts and
nuts to the specified torque.
• Place shop jacks or rigid racks at the specified
points.
• Before disconnecting connectors of sensors or
units, be sure to disconnect the ground cable from
battery.
(1)
Front catalytic converter upper
cover
(11)
Center exhaust pipe lower cover
(23)
Muffler (LH)
(12)
Gasket
(24)
Rear exhaust pipe upper cover
(2)
Front catalytic converter
(13)
Front catalytic converter lower
cover
(25)
Rear exhaust pipe lower cover
(3)
Center exhaust pipe
(4)
Center exhaust pipe upper cover
(14)
Front oxygen (A/F) sensor
Tightening torque: N
⋅
m (kgf-m, ft-lb)
(5)
Rear catalytic converter upper
cover
(15)
Gasket
T1: 13 (1.3, 9.4)
(16)
Spring
T2: 18 (1.8, 13.0)
(6)
Rear catalytic converter
(17)
Chamber
T3: 21 (2.1, 15.2)
(7)
Rear oxygen sensor
(18)
Rear exhaust pipe
T4: 30 (3.1, 22.4)
(8)
Gasket
(19)
Cushion rubber
T5: 35 (3.6, 26.0)
(9)
Front exhaust pipe
(20)
Self-locking nut
T6: 40.8 (4.2, 30.1)
(10)
Rear catalytic converter lower
cover
(21)
Gasket
T7: 48 (4.9, 35.4)
(22)
Muffler (RH)
EX(H4SO 2.0)-6
EXHAUST
Front Exhaust Pipe
2. Front Exhaust Pipe
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Disconnect the front oxygen (A/F) sensor con-
nector.
3) Lift-up the vehicle.
4) Disconnect the rear oxygen sensor connector.
5) Separate the center exhaust pipe from rear ex-
haust pipe.
6) Remove the under cover.
7) Remove the nuts which hold front exhaust pipe
onto cylinder heads.
CAUTION:
Be careful not to pull down the front and center
exhaust pipe assembly.
8) Remove the bolt which holds center exhaust
pipe to hanger bracket.
9) Remove the front and center exhaust pipe as-
sembly from vehicle.
CAUTION:
• Be careful not to let the front and center ex-
haust pipe assembly fall off when removing, as
it is quite heavy.
• After removing the front and center exhaust
pipe assembly, do not apply excessive pulling
force on the rear exhaust pipe.
10) Separate the front exhaust pipe from center ex-
haust pipe.
IN-00203
ME-00859
FU-01116
EX-00214
EX-00215
EX-00216
EX-00217
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