SVX FWD L6-3.3L DOHC (1994)
Oxygen Sensor: Service and Repair
Exhaust Components
REMOVAL
NOTE: Do not apply excessive force to sensor when removing, especially when engine is cold. Permanent damage to the exhaust pipe may result.
1.
Disconnect oxygen sensor electrical connector.
2.
Apply a penetrating oil to the sensor base and allow to stand for one minute.
3.
Loosen sensor 10° to 40° with a suitable tool (Subaru #499990110).
4.
Again, apply a penetrating oil to the sensor base and allow to stand for one minute.
5.
Remove sensor from vehicle.
INSTALLATION
1.
Being careful to protect the sensor tip, apply a suitable high-temp anti-seize compound to the threaded portion of the oxygen sensor.
2.
Thread sensor into exhaust pipe by hand as far as it will go.
3.
Using a suitable socket, torque sensor to 18 - 25 ft.lbs (25 - 34 Nm).