Subaru LEGACY 2006 Manual page 429

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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)-32, REMOV-
AL, Front Oxygen (A/F) Sensor.> <Ref. to
FU(H4SO)-34, REMOVAL, Rear Oxygen Sensor.>
B: INSTALLATION
1) Install the front oxygen (A/F) sensor and rear ox-
ygen sensor. <Ref. to FU(H4SO)-32, INSTALLA-
TION, Front Oxygen (A/F) Sensor.> <Ref. to
FU(H4SO)-34, 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)-7