Subaru IMPREZA 2004 Service Manual page 668

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2. Front Exhaust Pipe

1) Disconnect the ground cable from battery.

2) Disconnect the oxygen sensor connector. (With

catalytic converter)

3) Lift-up the vehicle.

4) Separate the front and center exhaust pipe as-

sembly from rear exhaust pipe.

Be careful, the exhaust pipe is hot.

5) Remove the under cover.

Front Exhaust Pipe

6) Remove the nuts which hold the front exhaust

pipe onto cylinder heads.

Be careful not to pull down the front and center

exhaust pipe assembly.

7) Remove the bolt which installs the front and cen-

ter exhaust pipe assembly to hanger bracket.

8) Remove the front and center exhaust pipe as-

sembly from vehicle.

• Be careful not to let the front and center ex-

haust pipe assembly fall off when removing as

it is quite heavy.

• After removing the front and center exhaust

pipe assembly, do not apply excessive pulling

force on the rear exhaust pipe.

9) Separate the front exhaust pipe from center ex-

10) Remove the oxygen sensor. (With catalytic

converter) <Ref. to FU(H4SOw/oOBD)-41, RE-

MOVAL, Oxygen Sensor.>

EX(H4SOw/oOBD)-6

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