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Home >> Subaru >> 2002 >> Impreza TS, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection (Fuel Systems) -- (SOHC) >> Rear Oxygen Sensor >> Installation

Rear Oxygen Sensor: Installation

  1. Before installing rear oxygen sensor, apply the 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

    Fig 1: Applying The Anti-Seize Compound To The Threaded Portion Of Rear Oxygen Sensor
    G02869633Courtesy of SUBARU OF AMERICA, INC.
  2. Install the rear oxygen sensor.

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

    Fig 2: Installing The Rear Oxygen Sensor
    G02869634Courtesy of SUBARU OF AMERICA, INC.
  3. Connect the connector to the rear oxygen sensor.
    Fig 3: Connecting The Connector To The Rear Oxygen Sensor
    G02869635Courtesy of SUBARU OF AMERICA, INC.
  4. Lower the vehicle.
  5. Connect the battery ground cable.
    Fig 4: Connecting The Battery Ground Cable
    G02869636Courtesy of SUBARU OF AMERICA, INC.