Catalyst Monitor Sensor LH

Catalyst Monitor Sensor LH

Service Repair No - 19.22.71

Special Service Tools





Removal
1. Raise and support the vehicle.

WARNING: Do not work on or under a vehicle supported only by a jack. Always support the vehicle on safety stands.

2. Disconnect the LH catalytic converter from the exhaust manifold.
^ Remove and discard the 2 nuts.

3. Disconnect the RH catalytic converter from the exhaust manifold.
^ Remove and discard the 2 nuts.





4. Disconnect the 2 front exhaust hangers.





5. Using the special tool, remove the catalyst monitor sensor.
^ Release the wiring harness.
^ Disconnect the electrical connector.





Installation
1. Using the special tool, install the catalyst monitor sensor.
^ Clean the components.
^ Apply an anti-seize compound to the thread of the sensor.
^ Tighten the HO2S to 45 Nm (33 ft. lbs.).
^ Connect the electrical connector.
^ Attach the wiring harness.

CAUTION:
^ Make sure the anti-seize compound does not contact the catalyst monitor sensor tip.
^ Make sure the catalyst monitor sensor wiring harness is not twisted more than 180 degrees and is not in contact with either the exhaust or driveshaft.

2. Attach the exhaust hangers.
3. Position the RH catalytic converter to the exhaust manifold.
^ Clean the components.
^ Tighten the new bolts to 22 Nm (16 ft. lbs.).

4. Position the LH catalytic converter to the exhaust manifold.
^ Clean the components.
^ Tighten the new bolts to 22 Nm (16 ft. lbs.).