Operation CHARM: Car repair manuals for everyone.

Rear Oxygen Sensor

Rear Oxygen Sensor

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






3. Lift up the vehicle.
4. Disconnect the connector from the rear oxygen sensor.
5. Apply spray-type lubricant or equivalent to the threaded portion of rear oxygen sensor, and leave it for one minute or more.
6. 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 (A/F) sensor, apply the anti-seize compound only to the threaded portion of rear oxygen (A/F) sensor. This facilitates the next removal.

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 rear oxygen sensor.
4. Lower the vehicle.
5. Connect the battery ground cable to the battery.