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Home >> Chevrolet >> 2005 >> Equinox LS, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 3.4L - Introduction >> Repair Instructions >> Heated Oxygen Sensor Replacement - Position 2 >> Installation Procedure

Installation Procedure

    Fig 1: View Of HO2S 2 & Harness Connector
    GM1370518Courtesy of GENERAL MOTORS CORP.
    NOTE: Silicone based products will contaminate the HO2S. Use only a nickel based anti-seize compound that does not contain silicone.
  1. Apply a small amount of anti-seize compound to the threads of the HO2S 2.
    2. NOTE: Refer to Component Fastener Tightening Notice in Cautions and Notices.
  2. Install the HO2S 2 (2).

    Tighten:  Tighten the HO2S 2 to 42 N.m (31 lb ft).

  3. Connect the HO2S 2 harness connector (3). Push in the connector until a click is heard, then pull back to confirm a positive engagement.
  4. Ensure the HO2S 2 harness pigtail connector is secure to the chassis.
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