Removal Procedure

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

Raise and support the vehicle. Lifting and Jacking the Vehicle
Courtesy of GENERAL MOTORS COMPANY

Disengage the nitrogen oxides sensor wiring harness clips (1).
Nitrogen Oxides Sensor Nut (2) - Remove [2x]
Disconnect the electrical connector (3).
Courtesy of GENERAL MOTORS COMPANY

Nitrogen Oxides Sensor (1) - Remove