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Home >> Subaru >> 2005 >> Outback F4-2.5L SOHC >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Oxygen Sensor >> Service and Repair >> Front Oxygen (A/F) Sensor >> 2.5L SOHC
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2.5L SOHC

Front Oxygen (A/F) Sensor

REMOVAL




1. Disconnect the ground cable from battery.




2. Disconnect the front oxygen (A/F) sensor connector.

NOTE: Remove the harness from bracket.

3. Lift up the vehicle.
4. Apply spray-type lubricant to the threaded portion of front oxygen (A/F) senor, and leave it for one minute or more.




5. Remove the front oxygen (A/F) sensor.

CAUTION: When removing the oxygen (A/F) sensor, wait until exhaust pipe cools, otherwise it will damage exhaust pipe.

INSTALLATION




1. Before installing front oxygen (A/F) sensor, apply anti-seize compound only to the thread portion of front oxygen (A/F)sensor to make the next removal easier.

Ant-seize compound: SS-30 by JET LUBE

CAUTION: Never apply anti-seize compound to protector if front oxygen (A/F) sensor.




2. Install the front oxygen (A/F) sensor.
3. Lower the vehicle.




4. Connect the connector to front oxygen (A/F) sensor.

NOTE: Hold the harness to bracket.




5. Connect the battery ground cable to battery.
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