Front Oxygen (A/F) Sensor
Front Oxygen (A/F) SensorREMOVAL
1. Disconnect the ground cable from battery.
2. Lift up the vehicle.
3. Disconnect the connector (A) of the front oxygen (A/F) sensor.
4. Remove the catalytic converter lower cover. (U5 model)
5. Apply spray-type lubricant to the threaded portion of front oxygen (A/F) sensor, and leave it for one minute or more.
6. 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
CAUTION: If lubricant is spilt over the exhaust pipe, wipe it off with cloth to avoid emission of smoke or causing a fire.
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.
Tightening torque: 21 N.m (2.1 kgf.m, 15.5 ft.lb)
3. Install the catalytic converter lower cover. (U5 model)
Tightening torque: 13 N.m (1.3 kgf.m, 9.6 ft.lb)
4. Connect the connector (A) of front oxygen (A/F) sensor.
5. Lower the vehicle.
6. Connect the ground cable to battery.