Outback F4-2.5L DOHC Turbo (2006)
Oxygen Sensor: Service and Repair
Rear Oxygen Sensor
Rear Oxygen Sensor
REMOVAL
1. Disconnect the ground cable from battery.
2. Lift-up the vehicle.
3. Disconnect the connector from rear oxygen sensor.
4. Apply spray-type lubricant to the threaded portion of rear oxygen sensor, and leave it for one minute or more.
5. Remove the rear oxygen sensor.
CAUTION: When removing the rear oxygen sensor, wait until exhaust pipe cools, otherwise it will damage exhaust pipe.
INSTALLATION
1. Before installing rear oxygen (A/F) sensor, apply anti-seize compound only to the threaded portion of rear oxygen (A/F) sensor to make the next
removal easier.
Anti-seize compound: SS-30 JET LUBE
CAUTION: Never apply anti-seize compound to protector of rear oxygen sensor.
2. Install the rear oxygen sensor.
3. Connect the connector to rear oxygen sensor.
4. Lower the vehicle.
