Rear Oxygen Sensor

Rear Oxygen Sensor

REMOVAL
1. Set the vehicle on a lift.
2. Disconnect the ground cable from the battery.






3. Lift up the vehicle
4. Remove the under cover.
5. Disconnect the connector from the rear oxygen (A/F) sensor, and remove the clip (A) holding the rear oxygen (A/F) sensor harness.






6. Apply spray-type lubricant or equivalent to the threaded portion of rear oxygen sensor, and leave it for one minute or more.
7. Remove the rear oxygen sensor.

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






INSTALLATION

1. Before installing rear oxygen sensor, apply the anti-seize compound only to the threaded portion of rear oxygen sensor to make the next removal easier.

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

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

2. Install the rear oxygen sensor.






3. Connect the connector to the rear oxygen (A/F) sensor, and install the clip (A) holding the rear oxygen (A/F) sensor harness.






4. Install the under cover.
5. Lower the vehicle.
6. Connect the ground cable to the battery.