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).
Charging the Battery
Disconnect both battery cables to prevent damaging your vehicle’s electrical
system.
Always disconnect the negative (–) cable first, and reconnect it last. ...
Synchro Ring and Gear Inspection (M/T)
Inspect the synchro rings for scoring, cracks, and damage (A).
Inspect the inside of each synchro ring (B) for wear. Inspect the teeth
(C) on each synchro ring for wear (round ...
A/C System Inspection (With A/C)
NOTE: For A/C system noise,
go to the A/C System Noise Check.
Before troubleshooting any problem with the air conditioning system, other than
noise, do the following:
Check that the HVAC ai ...