Oxygen Sensor: Service and Repair
Oxygen SensorREMOVAL
1. Remove air intake duct.
2. Disconnect connector from oxygen sensor.
3. Lift up the vehicle.
4. Apply SUBARU CRC or its equivalent to threaded portion of oxygen sensor, and leave it for one minute or more.
SUBARU CRC (Part No.004301003)
5. Remove oxygen sensor
CAUTION: When removing oxygen sensor, do not force oxygen sensor especially when exhaust pipe is cold, otherwise it will damage exhaust pipe.
INSTALLATION
1. Before installing oxygen sensor, apply anti-seize compound only to threaded portion Of oxygen sensor to make the next removal easier.
Anti-seize compound: SS-30 by JET LUBE
CAUTION: Never apply anti-seize compound to protector of oxygen sensor.
2. Install oxygen sensor.
Tightening torque:
41 - 47 N.m (4.2 - 4.8 kg.m, 30 - 35 ft.lb)
3. Connect connector of oxygen sensor.
4. Install air intake duct.