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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 59 (Engine Controls And Fuel - 2.0L (LSY) - 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:

    Refer to Heated Oxygen and Oxygen Sensor Caution .

  1. GM5521013

    Disconnect the heated oxygen sensor electrical connector from topside.

    2. 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.
    • The heated oxygen sensor MAY be difficult to remove when the engine temperature is less than 48°C (120°F).
  2. Raise and support the vehicle.
  3. Using the J-39194-C  Heated Oxygen Sensor Remover/Installer, remove the heated oxygen sensor (1).
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