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Home >> Subaru >> 2005 >> Outback R VDC Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Fuel Injection (Fuel Systems) (H4SO U5 (PZEV))) >> Front Oxygen (A/F) Sensor >> Removal >> LH side

LH side

WARNING: This page is about a different variant/trim than selected.
  1. Disconnect the ground cable from battery.
    Fig 1: Disconnecting Ground Cable From Battery
    G03828758Courtesy of SUBARU OF AMERICA, INC.
  2. Remove the connector of front oxygen (A/F) sensor from bracket, and disconnect the connector.
    Fig 2: Removing Connector Of Front Oxygen (A/F) Sensor
    G03828759Courtesy of SUBARU OF AMERICA, INC.
  3. Lift-up the vehicle.
  4. Remove the under cover.
  5. Remove the front oxygen (A/F) sensor harness from bracket.
    Fig 3: Removing Front Oxygen (A/F) Sensor Harness From Bracket
    G03828760Courtesy of SUBARU OF AMERICA, INC.
  6. Apply spray-type lubricant to the threaded portion of front oxygen (A/F) sensor, and leave it for one minute or more.
  7. Remove the front oxygen (A/F) sensor.
    CAUTION: When removing the front oxygen (A/F) sensor, wait until exhaust pipe cools, otherwise it will damage the exhaust pipe.
    Fig 4: Removing Front Oxygen (A/F) Sensor
    G03828761Courtesy of SUBARU OF AMERICA, INC.
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