Downstream Oxygen 1/2 Sensor Replacement

REMOVAL
1. Raise and support vehicle.

WARNING: THE EXHAUST MANIFOLD MAY BE EXTREMELY HOT. USE CARE WHEN SERVICING THE OXYGEN SENSOR.

Fig. 45 Oxygen Sensor Grommet Cover:

2. Remove grommet cover to expose connector.

Fig. 46 Oxygen Sensor Connector Locking Tab:

3. Push locking tab back and unplug oxygen sensor electrical connector .

Fig. 47 Oxygen Sensor Removal/Installation:

4. Use a socket such as Snap-On YA8875 or equivalent to remove sensor.
5. When the sensor is removed, the exhaust manifold threads must be cleaned with an 18 mm X 1.5 + 6E tap. If using original sensor, coat the threads with Loctite 771-64 anti-seize compound or equivalent.

INSTALLATION
New sensors are packaged with compound on the threads and no additional compound is required.
1. Install sensor and tighten to 27 Nm (20 ft lbs.) torque.
2. Connect the electrical connector.
3. Install gromment.
4. Lower vehicle.