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).
Information
This chapter includes your vehicle’s specifications, locations of
identification numbers, and other
information required by regulation. ...
Maintenance Items Under the Hood
...
Using Voice Control
When you see in this manual,
voice commands are available for
that feature.
►Say the letter, number, or symbol (e.g., say
“A”).
Use spelling assist (e.g., say
“Alpha” ...