2.5L SOHC U5/Low Emission

Front Oxygen (A/F) Sensor

REMOVAL

LH side




1. Disconnect the ground cable from battery.




2. Remove the connector of front oxygen (A/F) sensor from bracket, and disconnect the connector.
3. Lift-up the vehicle.
4. Remove the under cover.




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




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

CAUTION: When removing the front oxygen (A/F) 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 (A/F) sensor from bracket, and disconnect the connector.
3. Lift-up the vehicle.
4. Remove the under cover.




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




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

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

INSTALLATION

LH side
1. Before installing front oxygen (A/F) sensor, apply anti-seize compound only to the threaded portion of front oxygen (A/F) 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 (A/F) sensor.




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




3. Install the front oxygen (A/F) sensor harness to bracket.
4. Install the under cover.
5. Lower the vehicle.




6. Connect the connector of front oxygen (A/F) sensor, and connect the connector to bracket.




7. Connect the battery ground cable to battery.

RH side
1. Before installing front oxygen (A/F) sensor, apply anti-seize compound only to the threaded portion of front oxygen (A/F) 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 (A/F) sensor.




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




3. Install the front oxygen (A/F) sensor harness to bracket.
4. Install the under cover.
5. Lower the vehicle.




6. Connect the connector of front oxygen (A/F) sensor, and install the connector to bracket.




7. Connect the battery ground cable to battery.