Subaru Legacy IV (2008 year). Service manual — part 78
EX(H4SO)-7
Center Exhaust Pipe
EXHAUST
3. Center Exhaust Pipe
A: REMOVAL
1) After removing the center and front exhaust
pipes as one unit, separate them. Refer to “Front
Exhaust Pipe” for the removal procedure. <Ref. to
EX(H4SO)-4, REMOVAL, Front Exhaust Pipe.>
2) Remove the front oxygen (A/F) sensor and rear
oxygen sensor. <Ref. to FU(H4SO)-35, REMOV-
AL, Front Oxygen (A/F) Sensor.> <Ref. to
FU(H4SO)-37, REMOVAL, Rear Oxygen Sensor.>
B: INSTALLATION
1) Install the front oxygen (A/F) sensor and rear ox-
ygen sensor. <Ref. to FU(H4SO)-36, INSTALLA-
TION, Front Oxygen (A/F) Sensor.> <Ref. to
FU(H4SO)-38, INSTALLATION, Rear Oxygen
Sensor.>
2) Install the center exhaust pipe and front exhaust
pipe as one unit. Refer to “Front Exhaust Pipe” for
the installation procedure. <Ref. to EX(H4SO)-5,
INSTALLATION, Front Exhaust Pipe.>
C: INSPECTION
1) Check the connections and welds for exhaust
leaks.
2) Make sure there are no holes or rusting.
EX(H4SO)-8
Rear Exhaust Pipe
EXHAUST
4. Rear Exhaust Pipe
A: REMOVAL
CAUTION:
Vehicle components are extremely hot after
driving. Be wary of receiving burns from heated
parts.
1) Set the vehicle on a lift.
2) Lift up the vehicle.
3) Separate the rear exhaust pipe from center ex-
haust pipe.
4) Separate the rear exhaust pipe from muffler.
CAUTION:
Be careful not to drop the rear exhaust pipe.
• LH side
• RH side
5) Apply a coat of spray type lubricant to the mating
area of cushion rubber.
6) Remove the rear exhaust pipe bracket from
cushion rubber.
7) Remove the rear exhaust pipe.
B: INSTALLATION
1) Apply a coat of spray type lubricant to the mating
area of cushion rubber.
2) Install the rear exhaust pipe bracket to cushion
rubber.
NOTE:
After assembling, degrease the lubricant which
was applied to the cushion rubber while removing/
installing.
3) Install the rear exhaust pipe to muffler.
NOTE:
Use a new gasket and self-locking nut.
Tightening torque:
48 N·m (4.9 kgf-m, 35.4 ft-lb)
• LH side
EX-02241
EX-00222
EX-00218
EX-00219
EX-00219
EX-00222
EX(H4SO)-9
Rear Exhaust Pipe
EXHAUST
• RH side
4) Install the rear exhaust pipe to center exhaust
pipe.
NOTE:
Use a new gasket.
Tightening torque:
18 N·m (1.8 kgf-m, 13.3 ft-lb)
C: INSPECTION
1) Check the connections and welds for exhaust
leaks.
2) Make sure there are no holes or rusting.
3) Check the cushion rubber for wear or crack.
EX-00218
EX-02241
EX(H4SO)-10
Muffler
EXHAUST
5. Muffler
A: REMOVAL
CAUTION:
Be careful not to burn yourself, because the ex-
haust pipe becomes extremely hot after run-
ning.
1) Set the vehicle on a lift.
2) Lift up the vehicle.
3) Separate the muffler from rear exhaust pipe.
• LH side
• RH side
4) Apply a coat of spray type lubricant to the mating
area of cushion rubber.
5) Remove the front and rear cushion rubber, and
then remove the muffler.
CAUTION:
Be careful not to drop the muffler during remov-
al.
• LH side
• RH side
B: INSTALLATION
Install in the reverse order of removal.
NOTE:
• Use a new gasket and self-locking nut.
• After assembling, degrease the lubricant which
was applied to the cushion rubber while removing/
installing.
Tightening torque:
48 N·m (4.9 kgf-m, 35.4 ft-lb)
• LH side
• RH side
C: INSPECTION
1) Check the connections and welds for exhaust
leaks.
2) Make sure there are no holes or rusting.
3) Check the cushion rubber for wear or crack.
EX-00222
EX-00218
EX-00220
EX-00221
EX-00222
EX-00218
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