Subaru Legacy IV (2008 year). Service manual — part 283
EX(H4DOTC)-7
Center Exhaust Pipe
EXHAUST
3. Center 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) Remove the collector cover.
3) Disconnect the ground cable from battery.
4) Remove the intercooler. <Ref. to IN(H4DOTC)-
12, REMOVAL, Intercooler.>
5) Lift up the vehicle.
6) Remove the bolts which hold the lower side of
the turbocharger lower cover.
7) Lower the vehicle.
8) Remove the turbocharger upper cover.
9) Remove the bolts which secure the upper side of
the turbocharger lower cover.
10) Remove the upper side bolts and nuts that hold
the center exhaust pipe on the turbocharger, and
remove the turbocharger cover stay (A).
11) Lift up the vehicle.
12) Remove the lower side nuts (two places) that
hold the center exhaust pipe on the turbocharger.
13) Remove clip (A) holding the rear oxygen sen-
sor harness. (AT model)
IN-00203
EX-02366
EX-02256
EX-02337
EX-02367
(A)
EX-02339
EX(H4DOTC)-8
Center Exhaust Pipe
EXHAUST
14) Disconnect the connector from rear oxygen
sensor.
• AT model
• MT model
15) Separate the center exhaust pipe from rear ex-
haust pipe.
16) Remove the bolt which holds center exhaust
pipe bracket to transmission.
17) Remove the bolt which holds center exhaust
pipe to hanger bracket, and remove the center ex-
haust pipe.
CAUTION:
Be careful not to drop the center exhaust pipe.
18) Remove the turbocharger lower cover.
19) Separate the center exhaust pipe (front) and
center exhaust pipe (rear).
EX-02368
(A)
EX-02361
EX-02015
EX-02182
EX-00209
EX-02259
EX(H4DOTC)-9
Center Exhaust Pipe
EXHAUST
B: INSTALLATION
1) Assemble the center exhaust pipe (front) and
center exhaust pipe (rear).
NOTE:
Use a new gasket.
Tightening torque:
42.5 N·m (4.3 kgf-m, 31.3 ft-lb)
2) Set the turbocharger lower cover and temporari-
ly tighten the bolts which hold the lower side of the
turbocharger lower cover.
3) Install the center exhaust pipe and temporarily
tighten the bolt which holds center exhaust pipe to
hanger bracket.
4) Temporarily tighten the bolt which holds the cen-
ter exhaust pipe to the transmission.
5) Connect the center exhaust pipe along with tur-
bocharger cover stay (A) to the turbocharger.
NOTE:
Use a new gasket.
Tightening torque:
42.5 N·m (4.3 kgf-m, 31.3 ft-lb)
6) Install the center exhaust pipe to rear exhaust
pipe.
NOTE:
Use a new gasket.
Tightening torque:
18 N·m (1.8 kgf-m, 13.3 ft-lb)
7) Affix the rear oxygen sensor with the clip (A). (AT
model)
8) Connect the rear oxygen sensor connector.
• AT model
• MT model
EX-02259
EX-02339
EX-02367
(A)
EX-02015
EX-02368
(A)
EX-02361
EX(H4DOTC)-10
Center Exhaust Pipe
EXHAUST
9) Tighten the bolt which holds center exhaust pipe
bracket to transmission.
Tightening torque:
30 N·m (3.1 kgf-m, 22.1 ft-lb)
10) Tighten the bolt which holds center exhaust
pipe to hanger bracket.
Tightening torque:
35 N·m (3.6 kgf-m, 25.8 ft-lb)
11) Lower the vehicle.
12) Attach the bolt which holds the upper side of
the turbocharger lower cover.
Tightening torque:
7.5 N·m (0.8 kgf-m, 5.5 ft-lb)
13) Install the turbocharger upper cover.
Tightening torque:
7.5 N·m (0.8 kgf-m, 5.5 ft-lb)
14) Lift up the vehicle.
15) Tighten the bolts which hold the lower side of
the turbocharger lower cover.
Tightening torque:
7.5 N·m (0.8 kgf-m, 5.5 ft-lb)
16) Lower the vehicle.
17) Install the intercooler. <Ref. to IN(H4DOTC)-
13, INSTALLATION, Intercooler.>
18) Connect the ground cable to battery.
19) Install the collector cover.
C: INSPECTION
1) Check the connections and welds for exhaust
leaks.
2) Make sure there are no holes or rusting.
EX-02182
EX-00209
EX-02337
EX-02256
EX-02366
IN-00203
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