Subaru Legacy (2005 year). Manual - part 405

EXHAUST

EX(H6DO)

Page

1.

General Description ....................................................................................2

2.

Front Exhaust Pipe......................................................................................4

3.

Rear Exhaust Pipe ......................................................................................7

4.

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