Subaru Legacy (2005 year). Service manual — part 405
EXHAUST
EX(H6DO)
Page
General Description . . . . . . . . . . . . . . . . . . . . . 2
Front Exhaust Pipe. . . . . . . . . . . . . . . . . . . . . ..4
Rear Exhaust Pipe . . . . . . . . . . . . . . . . . . . . . ..7
Muffler . . . . . . . . . . . . . . . . . . . . . . . . . . .9
EX(H6DO)-2
EXHAUST
General Description
1. General Description
A: COMPONENT
EX-02094
T3
T5
T6
T2
T2
T2
T1
T2
T4
T4
T5
T5
(18)
(12)
(11)
(10)
(32)
(8)
T7
T7
(20)
(21)
(22)
(23)
(25)
(24)
(17)
(24)
(24)
(24)
(26)
(24)
(25)
(16)
(26)
(31)
(30)
(13)
(15)
(19)
(33)
(14)
T4
(6)
(7)
(5)
T4
(4)
(3)
(1)
(2)
(9)
T2
T2
T1
(29)
(28)
(27)
EX(H6DO)-3
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 (RH)
(15)
Rear oxygen sensor (LH)
(30)
Front exhaust pipe cover (LH) (MT
model)
(16)
Muffler (RH)
(2)
Front catalytic converter lower
cover (RH)
(17)
Muffler (LH)
(31)
Front exhaust pipe upper cover
(LH) (MT model)
(18)
Rear catalytic converter
(3)
Gasket
(19)
Bracket (AT model)
(32)
Front exhaust pipe lower cover
(LH) (MT model)
(4)
Front exhaust pipe (RH)
(20)
Gasket
(5)
Front catalytic converter (RH)
(21)
Spring
(33)
Bracket (MT model)
(6)
Front oxygen (A/F) sensor (RH)
(22)
Chamber
(7)
Rear oxygen sensor (RH)
(23)
Rear exhaust pipe
Tightening torque: N
⋅
m (kgf-m, ft-lb)
(8)
Gasket
(24)
Cushion rubber
T1: 7.5 (0.76, 5.5)
(9)
Gasket
(25)
Self-locking nut
T2: 13 (1.3, 9.4)
(10)
Front catalytic converter upper
cover (LH)
(26)
Gasket
T3: 18 (1.8, 13.0)
(27)
Front exhaust pipe cover (RH) (MT
model)
T4: 21 (2.1, 15.2)
(11)
Front catalytic converter lower
cover (LH)
T5: 30 (3.1, 22.4)
(28)
Front exhaust pipe upper cover
(RH) (MT model)
T6: 35 (3.6, 26.0)
(12)
Front exhaust pipe (LH)
T7: 48 (4.9, 35.4)
(13)
Front catalytic converter (LH)
(29)
Front exhaust pipe lower cover
(RH) (MT model)
(14)
Front oxygen (A/F) sensor (LH)
EX(H6DO)-4
EXHAUST
Front Exhaust Pipe
2. Front Exhaust Pipe
A: REMOVAL
1) Disconnect the ground cable from battery.
2) Lift-up the vehicle.
3) Remove the under cover.
4) Remove the front oxygen (A/F) sensor connec-
tor (A) and rear oxygen sensor connector (B).
5) Separate the front exhaust pipe from rear ex-
haust pipe.
CAUTION:
Be careful, because the exhaust pipe is hot.
6) Remove the front exhaust pipe cover. (MT mod-
el)
7) Remove the nuts which hold front exhaust pipe
onto cylinder heads.
CAUTION:
Be careful not to pull down the rear exhaust
pipe assembly.
8) Remove the bolts which hold front exhaust pipe
assembly to hanger bracket.
9) Remove the front exhaust pipe assembly from
vehicle.
CAUTION:
• Be careful not to let the front exhaust pipe as-
sembly 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.
IN-00203
EX-02014
(A)
(B)
EX-02015
EX-02095
EX-02016
EX-00061
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