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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 60 (Engine Controls And Fuel - 2.7L (L3B) - Repair Instructions) >> Repair Instructions >> Heated Oxygen Sensor Replacement - Sensor 2 >> Removal Procedure

Removal Procedure

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    WARNING:

    In order to avoid being burned, do not service the exhaust system while it is still hot. Service the system when it is cool.

    WARNING:

    Avoid contact with HOT components. Wear safety glasses and protective gloves to avoid personal injury.

    CAUTION:

    The use of excessive force may damage the threads in the exhaust manifold/pipe.

    NOTE:
    • The heated oxygen sensor in-line connector and louvered end MUST be kept clear of all grease, dirt, and other contaminants. Do NOT use cleaning solvents of any type. Do NOT drop or roughly handle the sensor.
  1. Raise and support the vehicle. Lifting and Jacking the Vehicle
    GM5399124
  2. Disconnect and reposition electrical connectors as necessary.
  3. Using the EN-6179  Heated Oxygen Sensor Remover/Installer, remove the heated oxygen sensor (1).