Subaru 2009 IMPREZA Service Manual page 1177

EXHAUST
4. Joint 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) Disconnect the ground cable from battery.
3) Lift up the vehicle.
4) Remove the under cover.
5) Remove the front oxygen (A/F) sensor. <Ref. to
FU(H4DOTC)-48, REMOVAL, Front Oxygen (A/F)
Sensor.>
6) Remove the exhaust manifold RH lower cover.
7) Remove the bolts and nuts which hold front ex-
haust pipe assembly onto joint pipe.
8) Remove the center exhaust pipe. <Ref. to
EX(H4DOTC)-8, REMOVAL,
Pipe.>
9) Remove the turbocharger.
IN(H4DOTC)-15, REMOVAL, Turbocharger.>
10) Take off the joint pipe in the upward direction.
Joint Pipe
IN-00203
EX-02340
EX-00018
Center Exhaust
<Ref. to
EX(H4DOTC)-12
B: INSTALLATION
Install in the reverse order of removal.
NOTE:
Use a new gasket.
Tightening torque:
42.5 N·m (4.3 kgf-m, 31.3 ft-lb)
Tightening torque:
19 N·m (1.9 kgf-m, 14.0 ft-lb)
C: INSPECTION
1) Check the connections and welds for exhaust
leaks.
2) Make sure there are no holes or rusting.
EX-00018
EX-02340