Rear Oxygen Sensor: Installation

Before Identifying 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.
1. Anti-seize compound: JET LUBE SS-30
Install the rear oxygen sensor.
1. Tightening torque: 21 N.m (2.1 kgf-m, 15.2 ft-lb)
Fig 1: Identifying Rear Oxygen Sensor
Courtesy of SUBARU OF AMERICA, INC.
- AT model
  
  Fig 2: Identifying Rear Oxygen Sensor (AT Model)
  Courtesy of SUBARU OF AMERICA, INC.
- MT model
  
  Fig 3: Identifying Rear Oxygen Sensor (MT Model)
  Courtesy of SUBARU OF AMERICA, INC.
Connect the connectors to the rear oxygen sensor.

Fig 4: Identifying Rear Oxygen Sensor
Courtesy of SUBARU OF AMERICA, INC.
Connect the clip to the crossmember.

Fig 5: Identifying Clip To Crossmember
Courtesy of SUBARU OF AMERICA, INC.
Lower the vehicle.
Connect the battery ground cable to battery.

Fig 6: Connecting Battery Ground Cable To Battery
Courtesy of SUBARU OF AMERICA, INC.