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