Catalytic Converter Replacement - Left

Catalytic Converter Replacement (6.0L - Left)

Removal Procedure




1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle (Service and Repair).
2. Disconnect the oxygen sensors.
3. Remove the exhaust hanger bolts and hanger from the vehicle.
Warning: Refer to Exhaust Service Warning (Service Precautions).
Warning: Refer to Protective Goggles and Glove Warning (Protective Goggles and Glove Warning).
4. Remove the nuts retaining the exhaust pipe flange to the catalytic converter pipe.
5. Remove the nuts retaining the exhaust pipe flange to the muffler.
6. Remove the exhaust pipe.
7. Remove the flange gasket.

Installation Procedure

Caution: Refer to Fastener Caution (Fastener Caution).

1. Remove the oxygen sensors and install into the new exhaust pipe and tighten to 42 Nm (31 lb ft).




2. Install new gaskets to the muffler flange and the catalytic converter pipe flange.
3. Install the exhaust pipe.
4. Install the nuts for the catalytic converter pipe to the exhaust pipe. Tighten the flange nuts to 48 Nm (35 lb ft).
5. Install the nuts for the muffler to the exhaust pipe and tighten to 48 Nm (35 lb ft).
6. Connect the oxygen sensor connectors.
7. Install the exhaust hanger and bolts and tighten to 17 Nm (13 lb ft).

Caution: Refer to Exhaust System Inspection Caution (Service Precautions).

8. Verify the exhaust system for proper clearance and the alignment of all components.
9. Lower the vehicle.