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Home >> Subaru >> 2005 >> Outback F4-2.5L SOHC >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Sensors and Switches - Computers and Control Systems >> Oxygen Sensor >> Service and Repair >> Front Oxygen Sensor
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Front Oxygen Sensor

Front Oxygen Sensor

REMOVAL

LH side




1. Disconnect the ground cable from battery.




2. Remove the connector of front oxygen sensor.
3. Lift-up the vehicle.




4. Remove the clip holding front oxygen sensor harness.
5. Apply spray-type lubricant to the threaded portion of front oxygen sensor, and leave it for one minute or more.




6. Remove the front oxygen sensor.

CAUTION: When removing the front oxygen sensor, wait until exhaust pipe cools, otherwise it will damage the exhaust pipe.

RH side




1. Disconnect the ground cable from battery.




2. Remove the connector of front oxygen sensor.
3. Lift-up the vehicle.




4. Remove the front oxygen sensor harness from bracket.
5. Apply spray-type lubricant to the threaded portion of front oxygen sensor, and leave it for one minute or more.




6. Remove the front oxygen sensor.

CAUTION: When removing the front oxygen sensor, wait until exhaust pipe cools, otherwise it will damage the exhaust pipe.

INSTALLATION

LH side
1. Before installing front oxygen sensor, apply antiseize compound only to the threaded portion of front oxygen sensor to make the next removal easier.

Anti-seize compound: SS-30 JET LUBE

CAUTION: Never apply anti-seize compound to the protector of front oxygen sensor.




2. Install the front oxygen sensor.




3. Hold the front oxygen sensor harness with clip.
4. Lower the vehicle.




5. Connect the connector of front oxygen sensor.




6. Connect the battery ground cable to battery.

RH side
1. Before installing front oxygen sensor, apply antiseize compound only to the threaded portion of front oxygen sensor to make the next removal easier.

Anti-seize compound: SS-30 JET LUBE

CAUTION: Never apply anti-seize compound to the protector of front oxygen sensor.




2. Install the front oxygen sensor.




3. Install the front oxygen sensor harness to bracket.
4. Lower the vehicle.




5. Connect the connector of front oxygen sensor.




6. Connect the battery ground cable to battery.
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