FixVault

Removal Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Refer to Heated Oxygen Sensor (HO2S) Resistance Learn Reset Notice in Cautions and Notices.
NOTE: Refer to Heated Oxygen and Oxygen Sensor Notice in Cautions and Notices.
    Fig 1: Removing/Installing HO2S
    GM730852Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the heated oxygen sensor (HO2S) electrical connector (1).
  2. NOTE: Refer to Excessive Force and Oxygen Sensor Notice in Cautions and Notices.
  3. Remove the HO2S (2) using a J 39194-B  . See Special Tools and Equipment .