Catalytic Converter: Service and Repair
Warm Up TWC Removal/InstallationFRONT
1. Remove the condenser fan shroud.
2. Disconnect the front air fuel 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 remaining 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.
3. Remove the rear WU-TWC bracket, then remove the rear WU-TWC.
4. Install the rear WU-TWC, and tighten the nuts in a crisscross pattern in two or three steps.
5. Install the remaining parts in the reverse order of removal.