Subaru Impreza 2003 Service Manual page 761

B: INSTALLATION
1) Install the oxygen sensor. (With catalytic con-
verter) <Ref. to FU(H4SOw/oOBD)-41, INSTALLA-
TION, Oxygen Sensor.>
2) Install the front exhaust pipe to center exhaust
pipe.
NOTE:
Replace the gaskets with new ones.
Tightening torque:
30 N·m (3.1 kgf-m, 22.1 ft-lb)
3) Install the front and center exhaust pipe assem-
bly to vehicle.
4) Temporarily tighten the bolt which installs the
front and center exhaust pipe assembly to hanger
bracket.
5) Tighten the nuts which hold the front exhaust
pipe onto cylinder heads.
Tightening torque:
30 N·m (3.1 kgf-m, 22.1 ft-lb)
6) Install the under cover.
FRONT EXHAUST PIPE
7) Tighten the bolts which install the front and cen-
ter exhaust pipe assembly to rear exhaust pipe.
Tightening torque:
18 N·m (1.8 kgf-m, 13.3 ft-lb)
8) Tighten the bolt which holds the front and center
exhaust pipe assembly to hanger bracket.
Tightening torque:
35 N·m (3.6 kgf-m, 25.8 ft-lb)
EC-00011
9) Lower the vehicle.
10) Connect the oxygen sensor connector. (With
catalytic converter)
EX-00038
EC-00009
EX(H4SOw/oOBD)-7
EXHAUST
EX-00031
EX-00038
EX-00152