TL V6-3.2L (2004)
Catalytic Converter: Service and Repair
Warm Up TWC Removal/Installation
FRONT
1. Remove the condenser fan shroud.
2. Disconnect the front fuel air ratio (A/F) sensor connector and front secondary heated oxygen sensor (secondary HO2S) connector.
3. Remove the front WU-TWC.
4. Install the front WU-TWC, and tighten the nuts in a crisscross pattern in two or three steps.
5. Install the other parts in the reverse order of removal.
REAR
1. Remove the intermediate shaft.
2. Disconnect the rear air fuel ratio (A/F) sensor connector and rear secondary heated oxygen sensor (secondary HO2S) connector.