REMOVAL & INSTALLATION

CAUTION
The temperature of the exhaust system is extremely high after the engine has been run. To prevent personal injury, allow the exhaust system to cool completely before removing sensor from the exhaust system.

1. Detach the negative battery cable.
2. Raise and safely support the vehicle.
3. Detach the electrical connector from the oxygen sensor.
4. Using socket MD998770, or equivalent oxygen sensor socket, remove the oxygen sensor.

   To install:

5. If installing old oxygen sensor, coat the threads with anti-seize compound. New sensors are already coated. Take care not to contaminate the oxygen sensor probe with the anti-seize compound.
6. Install the oxygen sensor into the exhaust manifold. Tighten the sensor, using the correct tool, to 33 ft. lbs. (45 Nm)
7. Attach the wiring to the sensor.
8. Carefully lower the vehicle.
9. Connect the negative battery cable.