Fuel Injection (Fuel Systems)
FRONT OXYGEN (A/F) SENSOR
15. Front Oxygen (A/F) Sensor
6) Remove service hole cover.
S185642
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A: REMOVAL
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1) Disconnect battery ground cable.
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7)  Apply SUBARU CRC or its equivalent to threaded portion of front oxygen (A/F) sensor, and leave it for one minute or more.
SUBARU CRC (Part No. 004301003)
8)   Remove front oxygen (A/F) sensor.
CAUTION:
When removing the oxygen (A/F) sensor, wait until exhaust pipe cools, otherwise it will damage exhaust pipe.
2) Disconnect connector from front oxygen (A/F) sensor.
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3) Remove harness secured by clip (A) from the bracket (B).
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4)   Remove front right side wheel.
5)   Lift-up the vehicle.
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FRONT OXYGEN (A/F) SENSOR
Fuel Injection (Fuel Systems)
B: INSTALLATION
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7) Connect connector of front oxygen (A/F) sensor.
1)   Before installing front oxygen (A/F) sensor, apply anti-seize compound only to threaded portion of front oxygen (A/F) sensor to make the next removal easier.
Anti-seize compound: SS-30 by JET LUBE
CAUTION:
Never apply anti-seize compound to protector
of front oxygen (A/F) sensor.
2)   Install front oxygen (A/F) sensor.
Tightening torque:
30Nm (3.1 kgf-m, 22 ft-lb)
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8) Connect battery ground cable.
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3) Install service hole cover.
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4)   Lower the vehicle.
5)   Install front right side wheel.
6)  Secure a harness to bracket (B) by clip (A).
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