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Home >> Subaru >> 2004 >> Baja Base, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection (Fuel Systems) (H4SO) >> Front Oxygen (A/F) Sensor >> Installation
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Front Oxygen (A/F) Sensor: Installation

  1. Before installing front oxygen (A/F) sensor, apply anti-seize compound only to threaded portion of front oxygen (A/F) sensor to make the next removal easier.
    1. Anti-seize compound:  SS-30 by JET LUBE
    CAUTION: Never apply anti-seize compound to protector of front oxygen (A/F) sensor. 
  2. Install front oxygen (A/F) sensor.
    1. Tightening torque:  21 N.m (2.1 kgf-m, 15.2 ft-lb)
    Fig 1: Installing Front Oxygen (A/F) Sensor
    G00898833Courtesy of SUBARU OF AMERICA, INC.
  3. Lower the vehicle.
  4. Connect connector of front oxygen (A/F) sensor.
    Fig 2: Connecting Connector Of Front Oxygen (A/F) Sensor
    G00898834Courtesy of SUBARU OF AMERICA, INC.
  5. Connect battery ground cable.
    Fig 3: Connecting Battery Ground Cable
    G00898835Courtesy of SUBARU OF AMERICA, INC.
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