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Home >> Subaru >> 2005 >> Outback R >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection (Fuel Systems) (H6DO) >> Rear Oxygen Sensor >> Installation
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Rear Oxygen Sensor: Installation

  1. Before installing rear oxygen sensor, apply anti-seize compound only to the threaded portion of rear oxygen sensor to make the next removal easier.

    Anti-seize compound: 

    SS-30 JET LUBE 

    CAUTION: Never apply anti-seize compound to the protector of rear oxygen sensor.
  2. Install the rear oxygen sensor.

    Tightening torque: 

    21 N.m (2.1 kgf-m, 15.2 ft-lb) 

    • LH side
      Fig 1: Installing Rear Oxygen Sensor (LH)
      G03830276Courtesy of SUBARU OF AMERICA, INC.
    • RH side
    Fig 2: Installing Rear Oxygen Sensor (RH)
    G03830277Courtesy of SUBARU OF AMERICA, INC.
  3. Hold the harness with clip.
  4. Connect the connector to rear oxygen sensor.
    • LH side
      Fig 3: Connecting Connector To Rear Oxygen Sensor
      G03830278Courtesy of SUBARU OF AMERICA, INC.
    • RH side
    Fig 4: Connecting Connector To Rear Oxygen Sensor
    G03830279Courtesy of SUBARU OF AMERICA, INC.
  5. Lower the vehicle.
  6. Connect the battery ground cable to battery.
Fig 5: Connecting Battery Ground Cable To Battery
G03830280Courtesy of SUBARU OF AMERICA, INC.