GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1999 🢒 LeSabre 🢒 Engine 🢒 Engine Exhaust 🢒 Converter Heat Shield Replacement

Removal Procedure
  1. Remove the oxygen sensor. Refer to Engine Controls.

    2. 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: 108131 Size: SH
  2. Drill out the heat shield rivets.
  3. Remove the oxygen sensor connector from the shield.

Installation Procedure

    Object Number: 108131 Size: SH
  1. Install the oxygen sensor connector on the shield.
  2. Install heat shield rivets on the vehicle.