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Home >> Chevrolet >> 2006 >> Cobalt LTZ >> Repair and Diagnosis >> External Pages >> Different car >> Section 765 (Engine Control System & Fuel System - 2.2L (L61) - Introduction (2 Of 2)) >> Repair Instructions >> Heated Oxygen Sensor 1 Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2008 Pontiac G5 and 2008 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
    IMPORTANT: A special anti-seize compound is used on the oxygen sensor 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.
  1. Coat the threads of the oxygen sensor with anti-seize compound GM P/N 12377953 or Saturn P/N 21485279, if necessary.
    2. Fig 1: Identifying Oxygen Sensor & Harness Connector
    GM412121Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Component Fastener Tightening Notice .
  2. Install the oxygen sensor.

    Tighten:  Tighten the oxygen sensor to 30 N.m (22 lb ft).

  3. Connect the oxygen sensor harness connector.
    4. Fig 2: Removing/Installing Exhaust Manifold Heat Shield
    GM746055Courtesy of GENERAL MOTORS CORP.
  4. Install the exhaust manifold heat shield. Refer to Exhaust Manifold Heat Shield Replacement .
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