Removal Procedure

WARNING: This page is about a different variant/trim than selected.

NOTE: Refer to Heated Oxygen and Oxygen Sensor Notice in Cautions and Notices.

Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
Disconnect the connector position assurance (CPA) retainer.
Disconnect the heated oxygen sensor (HO2S) electrical connector (1).

Fig 1: View Of Transmission & HO2S Sensor Electrical Connector
Courtesy of GENERAL MOTORS CORP.
Remove the HO2S (3).

Fig 2: Removing HO2S
Courtesy of GENERAL MOTORS CORP.