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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 56 (Engine Controls And Fuel - 3.6L (LF4 LGX) - Repair Instructions) >> Repair Instructions >> Heated Oxygen Sensor Replacement - Bank 2 Sensor 1 (LF4) >> Installation Procedure

Installation Procedure

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    Fig 1: Heated Oxygen Sensor
    GM4042409Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    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.

  1. Heated Oxygen Sensor -Install and tighten 42 N.m (31 lb ft)
  2. Catalytic Converter Replacement - Left Side (LF4) -Install
  3. Fig 2: Heated Oxygen Sensor Electrical Connector
    GM4042374Courtesy of GENERAL MOTORS COMPANY
  4. Heated Oxygen Sensor Electrical Connector -Connect