For 1990-2009 cars

### 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.

1. Remove the shield bolts.
2. Remove the oxygen sensor connector from the shield.
3. Remove the post converter oxygen heat shield.

### Installation Procedure

1. Install the oxygen sensor connector on the shield.
2. Install the heat shield.
3. Install the shield bolts on the vehicle.