cadillac Workshop Repair Guides

Cadillac Workshop Service and Repair Manuals

Heated Oxygen Sensor Replacement - Bank 1 Sensor 1|Page 5770 > < Heated Oxygen Sensor Replacement - Bank 1 Sensor 1|Page 5768
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Oxygen Sensor: Service and Repair
Heated Oxygen Sensor Replacement - Bank 1 Sensor 2

Heated Oxygen Sensor Replacement - Bank 1 Sensor 2

Removal Procedure

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

3.  Disconnect the heated oxygen sensor (HO2S) electrical connector.
4.  Remove the HO2S wiring harness from the transmission case.

Notice:  Refer to Oxygen Sensor Notice.

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

5.  Remove the HO2S.

Installation Procedure

Heated Oxygen Sensor Replacement - Bank 1 Sensor 1|Page 5770 > < Heated Oxygen Sensor Replacement - Bank 1 Sensor 1|Page 5768