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).
Fuel Pump/Fuel Gauge Sending Unit Replacement
Remove the fuel tank unit.
Remove the fuel level sensor (fuel sending unit) (A) from the fuel tank
unit (B).
Check these items before installing the fuel tank ...
Maintenance Items Under the Hood
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Flywheel Inspection
Remove the ring gear holder.
Inspect the ring gear teeth for wear and damage.
Inspect the clutch disc mating surface on the flywheel for wear, cracks,
and burning.
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