GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 1996 🢒 DeVille 🢒 Engine 🢒 Engine Exhaust 🢒 Post Converter Oxygen Sensor Heat Shield

Removal Procedure

    Notice: The Heated Oxygen Sensor (HO2S) and the Oxygen Sensor use a permanently attached pigtail and connector. Do not remove this pigtail from the Heated Oxygen Sensor. Damage or the removal of the pigtail or the connector could affect the proper operation of the sensor.

    Take care when handling the HO2S and the O2S. Keep the in-line electrical connector and the louvered end free of grease, dirt, or other contaminants. Also avoid using cleaning solvents of any type. Do not drop the HO2S or the O2S. Do not roughly handle the HO2S or the O2S.


    Object Number: 71700 Size: SH
  1. Remove the four bolts that attach the heat shield to the vehicle.

    2. Object Number: 71701 Size: SH
  2. Remove the oxygen sensor connector from the shield.
  3. Remove the shield.

Installation Procedure

    Object Number: 71701 Size: SH
  1. Install the oxygen sensor connector to the shield.

    2. Object Number: 71700 Size: SH
  2. Install the four bolts that attach the shield to the vehicle.