LR3 (LA) V8-4.4L (2009)
Oxygen Sensor: Service and Repair
Catalyst Monitor Sensor LH
Special Tools
Catalyst Monitor Sensor LH
Service Repair No - 19.22.71
Removal
WARNING: Do not work on or under a vehicle supported only by a jack. Always support the vehicle on safety stands.
1. Raise and support the vehicle.
2. Disconnect the LH catalytic converter from the exhaust manifold.
^
Remove and discard the 2 bolts.
3. Disconnect the RH catalytic converter from the exhaust manifold.
^
Remove and discard the 2 bolts.
4. Remove the catalyst monitor sensor electrical connector heat shield.
^
Remove the 2 bolts.