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Home >> Subaru >> 2003 >> Outback L.L. Bean Edition >> 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 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: 

    1. SS-30 by JET LUBE 
  2. Install rear oxygen sensor.
    1. Tightening torque:  21 N.m (2.1 kgf-m, 15.2 ft-lb)
    Fig 1: Installing Rear Oxygen Sensor
    G02877175Courtesy of SUBARU OF AMERICA, INC.
  3. Connect connector to rear oxygen sensor.
    Fig 2: Connecting Connector To Rear Oxygen Sensor
    G02877176Courtesy of SUBARU OF AMERICA, INC.
  4. Lower the vehicle.
  5. Connect battery ground cable.
    Fig 3: Connecting Battery Ground Cable
    G02877177Courtesy of SUBARU OF AMERICA, INC.