Rear Oxygen Sensor
REAR OXYGEN SENSORREMOVAL
1. Lift-up the vehicle.
Except 96 And Newer California 2200cc Models:
96 And Newer 2200cc California Models Only:
2. Disconnect connector from rear oxygen sensor.
3. Apply Subaru CRC (Part No. 004301003) or its equivalent to threaded portion of rear oxygen sensor, and leave it for one minute or more.
Except 96 And Newer California 2200cc Models:
96 And Newer 2200cc California Models Only:
4. Remove rear oxygen sensor.
CAUTION: When removing rear oxygen sensor, do not force rear oxygen sensor especially when exhaust pipe is cold, otherwise it will damage exhaust pipe.
INSTALLATION
Except 96 And Newer California 2200cc Models:
96 And Newer 2200cc California Models Only:
1. Before installing rear oxygen sensor, apply anti-seize compound only to threaded portion of rear oxygen sensor to make the next removal easier.
CAUTION: Never apply anti-seize compound to protector of rear oxygen sensor.
Except 96 And Newer California 2200cc Models:
96 And Newer 2200cc California Models Only:
2. Install rear oxygen sensor.
Tightening Torque: 21 ± 3 N.m (15.2 ± 2.2 ft-lb).
3. Connect connector of rear oxygen sensor.
4. Lower the vehicle.