NOTE: If the warm up TWC is damaged internally, inspect the under-floor TWC for debris.
Raise the vehicle on a lift.
Remove the bolts (A).

Lower the vehicle.
Remove the A/F sensor (Sensor 1).
Remove the EGR pipe.
Remove the cover (A).

Remove the bolts (B) and the nuts (C).
Remove the WU-TWC (D).
Install the parts in the reverse order of removal with new gaskets (E).
Removal
Raise and support the vehicle.
Remove the rear wheel.
Remove the wire guide grommet (A) from both sides of the axle beam.
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* Stored in “Fav. Subcategory” by factory default. ...