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Home >> Pontiac >> 2009 >> Torrent Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 3.4L - Introduction >> Repair Instructions >> Heated Oxygen Sensor Replacement - Sensor 2 >> Removal Procedure
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Removal Procedure

  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
    2. Fig 1: View Of HO2S 2 & Harness Connector
    GM1370518Courtesy of GENERAL MOTORS CORP.
  2. Disconnect the HO2S 2 harness connector (3).
    3. NOTE: Silicone based products will contaminate the HO2S. DO NOT use products containing silicone on or near the HO2S.
  3. Use a liquid penetrate before removing the sensor.
  4. Remove the HO2S 2 (2) from the exhaust pipe.
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