Catalytic Converter: Service and Repair

REMOVE OR DISCONNECT
1. Raise and suitably support vehicle.
2. Electrical connector from heated oxygen sensor (HO2S2).
3. Two bolts, two springs securing front pipe to Three Way Catalytic Converter (TWC).
4. Two bolts and two nuts securing Three Way Catalytic Converter (TWC) to muffler/tail pipe assembly.
5. One bolt and hanger from front of TWC.
6. One bolt and hanger from rear of TWC and remove TWC from vehicle.

^ Clean gasket and seal mating surfaces.

INSTALL OR CONNECT
1. Three Way Catalytic Converter (TWC) to vehicle; secure with two bolts and two hangers at front and rear of TWC.
2. Two bolts and two nuts securing Three Way Catalytic Converter (TWC) to muffler/tail pipe assembly. Do not tighten fully.
3. Two bolts and two springs securing front pipe to Three Way Catalytic Converter. Do not tighten fully.

^ Adjust align all system components properly to prevent any noise or vibrations before tightening fasteners.

TIGHTEN

^ Front pipe-to-TWC bolts to 50 Nm (37 lb ft).
^ TWC-to-muffler/tall pipe assembly bolts and nuts to 50 Nm (37 lb ft).

4. Electrical connector to heated oxygen sensor (H02S2).
5. Lower vehicle.