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Front Oxygen (A/F) Sensor

Front Oxygen (A/F) Sensor

REMOVAL
1. Set the vehicle on a lift.




2. Disconnect the ground cable from battery.
3. Disconnect the connector from front oxygen (A/ F) sensor.




4. Disconnect the engine harness fixed by a clip, from the bracket.
5. Remove the front right side wheel.
6. Lift the vehicle.




7. Remove the service hole cover.
8. Apply spray-type lubricant or equivalent to the threaded portion of front oxygen (A/F) sensor, and leave it for one minute or more.




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

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

INSTALLATION
1. Before installing front oxygen (A/F) sensor, apply the anti-seize compound only to the threaded portion of front oxygen (A/F) sensor. This facilitates the next removal.

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

Anti-seize compound: NEVER-SEEZ NSN, JET LUBE SS-30 or equivalent




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

Tightening torque: 30 N.m (3.1 kgf-m, 22.1 ft-lb)




3. Install the service hole cover.
4. Lower the vehicle.
5. Install the front right side wheel.

Tightening torque: 120 N.m (12.2 kgf-m, 88.5 ft-lb)

6. Connect the engine harness to the bracket using a clip.




7. Connect the connector of front oxygen (A/F) sensor.




8. Connect the battery ground cable to the battery.