Rear Oxygen Sensor: Installation

Before installing rear oxygen sensor, apply anti-seize compound only to the threaded portion of rear oxygen sensor to make the next removal easier.
CAUTION: Never apply anti-seize compound to protector of rear oxygen sensor.

Anti-seize compound:

SS-30 by JET LUBE
Install the rear oxygen sensor.
Tightening torque:

21 N.m (2.1 kgf-m, 15.2 ft-lb)

Fig 1: Identifying Rear Oxygen Sensor
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Connect the connector to the rear oxygen sensor.

Fig 2: Locating Connector For Rear Oxygen Sensor
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Connect the clip to the crossmember.

Fig 3: Locating Crossmember Clip
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Lower the vehicle.
Connect the battery ground cable to battery.

Fig 4: Disconnecting Ground Cable From Battery
Courtesy of SUBARU OF AMERICA, INC.