GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2008 🢒 SLS 🢒 Preface 🢒 Cautions and Notices 🢒 Heated Oxygen Sensor Replacement - Bank 1 Sensor 2

Removal Procedure
  1. Turn the ignition OFF.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.

    3. Object Number: 1201222 Size: SH
  3. Disconnect the heated oxygen sensor (HO2S) electrical connector.
  4. Remove the HO2S wiring harness from the transmission case.

    5. Notice: Refer to Oxygen Sensor Notice in the Preface section.


    Object Number: 1306431 Size: SH

    Important: Removal of the oxygen sensor is easier when the engine temperature is above 48°C (120°F).

  5. Remove the HO2S.

Installation Procedure

    Notice: Refer to Component Fastener Tightening Notice in the Preface section.


    Object Number: 1306431 Size: SH

    Important: New oxygen sensors should have a special anti-seize compound already applied to the sensor threads. If you are installing the original sensor, apply anti-seize compound GM P/N 5613695 or equivalent to the sensor threads.

  1. Install the HO2S.

    2. Tighten
    Tighten the HO2S to 43 N·m (32 lb ft).


    Object Number: 1201222 Size: SH
  2. Connect the HO2S electrical connector.
  3. Install the HO2S wiring harness to the transmission case.
  4. Lower the vehicle.