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

Removal Procedure

    Notice: The Heated Oxygen Sensor (HO2S) uses 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.


    Object Number: 43573 Size: SH
  1. Remove the shield bolts.
  2. Remove the oxygen sensor connector from the shield.
  3. Remove the post converter oxygen heat shield.

Installation Procedure

    Object Number: 43573 Size: SH
  1. Install the oxygen sensor connector on the shield.
  2. Install the heat shield.
  3. Install the shield bolts on the vehicle.