Front Oxygen (A/F) Sensor
Front Oxygen (A/F) SensorREMOVAL
1. Set the vehicle on a lift.
2. Remove the collector cover.
3. Disconnect the ground cable from battery.
4. Disconnect the connector from the front oxygen (A/F) sensor, and remove the clip (A) holding the return hose and the front oxygen (A/F) sensor harness.
5. Remove the clip (A) and (B) holding the front oxygen (A/F) sensor harness.
6. Lift up the vehicle
7. Remove the under 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 anti-seize compound only to the threaded portion of front oxygen (A/F) sensor to make the next removal easier.
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.
3. Install the under cover.
4. Lower the vehicle.
5. Affix the front oxygen (A/F) sensor harness with the clip (A) and (B).
6. Connect the front oxygen (A/F) sensor connector, and hold the return hose and the front oxygen (A/F) sensor harness with the clip (A).
7. Connect the battery ground cable to the battery.
