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Home >> Cadillac >> 2006 >> STS Base, 3.6 7, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Engine Control System - 4.4L - Introduction (2 Of 2)) >> Repair Instructions >> Heated Oxygen Sensor Replacement - Bank 2 Sensor 2 >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: View Of HO2S - Bank 2, Sensor 2
    GM1251007Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  1. Install the heated oxygen sensor (HO2S) to the exhaust pipe.

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

  2. Route and attach the wiring as noted during disassembly.
  3. Lower the vehicle.
    4. Fig 2: Oxygen Sensor Electrical Connector
    GM1652888Courtesy of GENERAL MOTORS CORP.
  4. Connect the oxygen sensor electrical connector (1) to the engine wiring harness connector at the rear of the left head.
  5. Install the windshield wiper module assembly. Refer to Windshield Wiper System Module Replacement .
  6. Install the engine sight shield. Refer to Intake Manifold Sight Shield Replacement .
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