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Home >> Buick >> 2005 >> LeSabre Limited, 4T65E/MN3 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Introduction >> Repair Instructions >> Heated Oxygen Sensor Replacement - Position 2 >> Installation Procedure

Installation Procedure

    Fig 1: Removing/Installing HO2S (Position 2)
    GM402074Courtesy of GENERAL MOTORS CORP.
  1. Install the oxygen sensor (4) in the exhaust pipe.

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

  2. Connect the electrical connector (2) to the HO2S (4).
  3. Connect the HO2S electrical connector retaining tab (1).
  4. Install the front splash shield (3).
  5. Lower the vehicle.
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