Subaru 2002 IMPREZA Service Manual page 774

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FUEL INJECTION (FUEL SYSTEMS)

12.Oxygen Sensor

1) Disconnect the ground cable from battery.

2) Disconnect the connector from oxygen sensor.

3) Lift-up the vehicle.

4) Apply SUBARU CRC or its equivalent to the

threaded portion of oxygen sensor, and leave it for

1 minute or more.

SUBARU CRC (Part No. 004301003)

5) Remove the oxygen sensor.

When removing the oxygen sensor, wait until

the exhaust pipe cools, otherwise it will dam-

age exhaust pipe.

OXYGEN SENSOR

B: INSTALLATION

1) Before installing the oxygen sensor, apply anti-

seize compound only to the threaded portion of ox-

ygen sensor to make the next removal easier.

Anti-seize compound:

SS-30 by JET LUBE

Never apply anti-seize compound to the protec-

tor of oxygen sensor.

2) Install the oxygen sensor.

Tightening torque:

21 N·m (2.1 kgf-m, 15.2 ft-lb)

3) Lower the vehicle.

4) Connect the connector of oxygen sensor.

FU(w/oOBD)-46

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