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Home >> Pontiac >> 2006 >> Solstice Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 2.4L - Introduction (2 Of 2) >> Repair Instructions >> Heated Oxygen Sensor Replacement - Position 1 >> Installation Procedure

Installation Procedure

IMPORTANT: A special anti-seize compound is used on the HO2S threads. The compound consists of a liquid graphite and glass beads. The graphite will burn away, but the glass beads will remain, making the sensor easier to remove. New or service sensors will have the compound applied to the threads. If a sensor is removed and is to be reinstalled, the threads must have an anti-seize compound applied before installation.
    Fig 1: HO2S Electrical Connector
    GM1593747Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  1. If reinstalling the old HO2S, coat the threads with anti-seize compound GM P/N 12377953 or equivalent.
  2. Install the HO2S (1).

    Tighten:  Tighten the HO2S to 41 N.m (30 lb ft).

  3. Install the HO2S electrical connector clip to the junction block bracket.
    4. Fig 2: CPA Retainer
    GM1592538Courtesy of GENERAL MOTORS CORP.
  4. Connect the HO2S electrical connector (2).
  5. Install the CPA retainer.
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