Subaru Legacy III (2000-2003 year). Service manual — part 71
EX(H4SO)-2
EXHAUST
GENERAL DESCRIPTION
1. General Description
A: COMPONENT
EX-00104
( 1 )
( 2 )
( 3 )
( 4 )
( 5 )
( 6 )
( 7 )
( 8 )
( 9 )
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
(19)
(19)
(19)
(20)
(21)
(22)
(23)
(24)
(24)
T2
T1
T5
T2
T2
T3
T5
T4
T4
T4
T6
EX(H4SO)-3
EXHAUST
GENERAL DESCRIPTION
(1) Upper front exhaust pipe cover
(12) Upper rear catalytic converter
cover
(23) Rear oxygen sensor
(2) Lower front exhaust pipe cover
(24) Gasket
(3) Front exhaust pipe
(13) Lower rear catalytic converter
cover
(4) Front oxygen (A/F) sensor
Tightening torque: N·m (kgf-m, ft-lb)
(5) Front catalytic converter
(14) Rear catalytic converter
T1: 8 (0.8, 5.8)
(6) Upper front catalytic converter
cover
(15) Center exhaust pipe
T2: 13 (1.3, 9.4)
(16) Spring
T3: 18 (1.8, 13.0)
(7) Lower front catalytic converter
cover
(17) Rear exhaust pipe
T4: 30 (3.1, 22.4)
(18) Gasket
T5: 35 (3.6, 26.0)
(8) Clamp
(19) Cushion rubber
T6: 48 (4.9, 35.4)
(9) Upper center exhaust pipe cover
(20) Muffler
(10) Lower center exhaust pipe cover
(21) Self-locking nut
(11) Gasket
(22) Protector
EX(H4SO)-4
EXHAUST
GENERAL DESCRIPTION
B: CAUTION
• Wear working clothing, including a cap, protec-
tive goggles, and protective shoes during opera-
tion.
• Remove contamination including dirt and corro-
sion before removal, installation or disassembly.
• Keep the disassembled parts in order and pro-
tect them from dust or 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 your hands, 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 safety stands at the specified
points.
• Before disconnecting electrical connectors of
sensors or units, be sure to disconnect ground ca-
ble from battery.
EX(H4SO)-5
EXHAUST
FRONT EXHAUST PIPE
2. Front Exhaust Pipe
A: REMOVAL
1) Disconnect battery ground cable.
2) Disconnect front oxygen (A/F) sensor connector.
3) Disconnect rear oxygen sensor connector.
4) Lift-up the vehicle.
5) Separate front and center exhaust pipe assem-
bly from rear exhaust pipe.
WARNING:
Be careful, exhaust pipe is hot.
6) Remove under cover.<Ref. to EI-13, REMOVAL,
Front Under Cover.>
7) Remove nuts which hold front exhaust pipe onto
cylinder heads.
CAUTION:
Be careful not to pull down front and center ex-
haust pipe assembly.
8) Remove bolt which installs front and center ex-
haust pipe assembly to hanger bracket.
9) Remove front and center exhaust pipe assembly
from the vehicle.
CAUTION:
• Be careful not to let front and center exhaust
pipe assembly fall off when removing as it is
quite heavy.
• After removing front and center exhaust as-
sembly, do not apply excessive pulling force on
rear exhaust pipe.
10) Separate front exhaust pipe from center ex-
haust pipe.
FU-00009
EX-00029
EX-00030
FU-00455
EX-00066
EX-00049
EX-00050
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