Subaru 2009 IMPREZA Service Manual page 329

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2. Front Exhaust Pipe

Vehicle components are extremely hot after

driving. Be wary of receiving burns from heated

1) Set the vehicle on a lift.

2) Disconnect the ground cable from battery.

3) Remove the air intake duct. <Ref. to IN(H4SO)-

8, REMOVAL, Air Intake Duct.>

4) Disconnect the front oxygen (A/F) sensor con-

nector (A) and rear oxygen sensor connector (B)

and remove the clip (C) fastening the harness.

5) Lift up the vehicle.

6) Remove the under cover.

7) Remove the center exhaust pipe from rear ex-

Front Exhaust Pipe

8) Remove the nuts which hold front exhaust pipe

onto cylinder heads.

Be careful not to drop the front and center ex-

haust pipe assembly.

9) Remove the bolt which holds center exhaust

pipe to hanger bracket.

10) Remove the front exhaust pipe and center ex-

haust pipe from vehicle as a unit.

• The front and center exhaust pipe assem-

blies are very heavy. Be careful not to drop the

exhaust pipes when removing.

• After removing the front and center exhaust

pipe assemblies, do not pull on the rear ex-

haust pipe with excessive force.

11) Remove the front exhaust pipe from center ex-

12) Remove the front oxygen (A/F) sensor and rear

oxygen sensor from front exhaust pipe. <Ref. to

FU(H4SO)-41, REMOVAL, Front Oxygen (A/F)

Sensor.> <Ref. to FU(H4SO)-43, REMOVAL, Rear

Oxygen Sensor.>