Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Subaru >> 2010 >> Forester XT Premium >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System - Fuel Injection (Fuel Systems) (H4DOTC) >> Front Oxygen (A/F) Sensor >> Installation

Front Oxygen (A/F) Sensor: Installation

CAUTION: If lubricant is spilt over the exhaust pipe, wipe it off with cloth to avoid emission of smoke or causing a fire.
  1. Before installing front oxygen (A/F) sensor, apply anti-seize compound only to the threaded portion of front oxygen (A/F) sensor to make the next removal easier.
    CAUTION: Never apply anti-seize compound to the protector of front oxygen (A/F) sensor.

    Anti-seize compound: 

    NEVER-SEEZ NSN, JET LUBE SS-30 or equivalent 

  2. Install the front oxygen (A/F) sensor.

    Tightening torque: 

    30 N.m (3.1 kgf-m, 22.1 ft-lb) 

    Fig 1: Identifying Front Oxygen (A/F) Sensor
    G07670498Courtesy of SUBARU OF AMERICA, INC.
  3. Install the under cover RH.
  4. Lower the vehicle.
  5. Connect the connector to front oxygen (A/F) sensor.
    Fig 2: Identifying Clip And Front Oxygen (A/F) Sensor Harness
    G06351359Courtesy of SUBARU OF AMERICA, INC.
  6. Install the air intake duct (rear) and air cleaner case. INSTALLATION .
  7. Connect the ground cable to battery.
    Fig 3: Identifying Front Oxygen (A/F) Sensor And Clip
    G05954846Courtesy of SUBARU OF AMERICA, INC.
  8. Install the collector cover
scientia non olet · About Mike's Workshop Manuals