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).
Maintenance Items Under the Hood
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Compact Spare Tire
Use the compact spare tire as a temporary replacement only. Get your regular
tire repaired or replaced, and put it back on your vehicle as soon as you can.
Check the inflation pressure of the compa ...
Tool Maintenance
Follow these instructions to keep the ATF cooler cleaner working properly:
Replace the two magnetic nonbypass spin-on filters after every 20 hours
of use, based on the hour meter, or when yo ...