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).
Important Safety Precautions
You’ll find many safety recommendations throughout this section, and throughout
this manual.
The recommendations on this page are the ones we consider to be the most important.
Always Wear Your ...
Automatic Transmission
■Creeping
The engine may run at a higher idle speed and creeping increases:
• Immediately after the engine starts.
• When the heating and cooling system is in use.
Keep the brake pedal f ...
Air Cleaner Removal/Installation
Disconnect the MAF sensor/IAT sensor connector(A), then remove the air
cleaner cover (B) and the air cleaner element (C).
NOTE: Be careful not to damage the MAF sensor/IAT sensor on the air ...