Heated Oxygen Sensor (HO2S) Replacement Bank 1 Sensor 2

REMOVAL PROCEDURE

NOTE: Refer to Oxygen Sensor Notice in Service Precautions.

IMPORTANT:
^ Remove the oxygen sensors with the engine temperature above 48°C (120°F). Otherwise the oxygen sensors may be difficult to remove.
^ A special anti-seize compound is used on the oxygen sensor threads. New service sensors should already have the compound applied to the threads. Coat the threads of a reused sensor with anti-seize compound P/N 5613695 or equivalent.




1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
2. Disconnect the pre- or post-converter oxygen sensor electrical connector.
3. Remove the pre- or post-converter oxygen sensor.

INSTALLATION PROCEDURE

NOTE: Refer to Fastener Notice in Service Precautions.




1. Install the pre- or post-converter oxygen sensor.

Tighten
Tighten the Pre or Post heated oxygen sensor (HO2S) sensor to 41 N.m (30 lb ft).

2. Connect the pre- or post-converter oxygen sensor electrical connector.

IMPORTANT: Ensure that the connectors are securely installed beneath the harness heat shield in order to prevent connector damage.

3. Lower the vehicle.