Catalytic Converter: Service and Repair
Removal ProcedureServicing of the catalytic converter requires the replacement of the muffler and tailpipe as a complete one-piece unit.
1. Raise the vehicle and support the vehicle. Refer to Vehicle Lifting.
2. Remove the post-oxygen sensor heat shield.
3. Remove the post-oxygen sensor. Refer to Heated Oxygen Sensor (H02S) Replacement Bank 1 Sensor 2.
4. Remove four nuts from the catalytic converter to the exhaust downpipe.
5. Remove the two nuts and bolts securing the center exhaust hanger to the body.
6. Remove the rear exhaust hanger attachment, to rail.
7. Remove the exhaust system.
Installation Procedure
1. Position the exhaust system to the vehicle.
Notice: Refer to Fastener Notice in Service Precautions.
2. Install the rear exhaust bracket to the underbody.
Tighten the rear exhaust nuts to 50 Nm (37 ft. lbs.).
3. Install the center exhaust hanger to the exhaust.
Tighten the exhaust hanger nuts to 30 Nm (22 ft. lbs.).
4. Install the four nuts to the exhaust downpipe to the catalytic converter.
Tighten the nuts to 24 Nm (18 ft. lbs.).
5. Install the post oxygen sensor. Refer to Heated Oxygen Sensor (H02S) Replacement Bank 1 Sensor 2.
6. Install the post oxygen sensor heat shield.
7. Lower the vehicle.