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).
Reassembly
Install the upper spring seat (A) to the upper spring seat clip (B).
NOTE: Make sure to securely set the upper spring seat to the hook (C) on
the spring seat clip.
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Disc Player
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Cam Chain Removal
NOTE: Keep the cam chain away from magnetic fields.
Turn the crankshaft pulley so its top dead center (TDC) mark (A) lines up
with the pointer (B).
Remove the cylinder he ...