Catalytic Converter Replacement - Left Side

Catalytic Converter Replacement - Left Side

Removal Procedure
Warning: Refer to Exhaust Service Warning (Exhaust Service Warning).

Warning: Refer to Protective Goggles and Glove Warning (Protective Goggles and Glove Warning).


1. Remove the left bank exhaust manifold heat shield. Refer to Exhaust Manifold Heat Shield Replacement - Left Side (Exhaust Manifold Heat Shield Replacement - Left Side).




2. Remove the catalytic converter nuts.
3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (Service and Repair).
4. Disconnect the oxygen sensor electrical connector.




5. Disconnect the muffler pipe from the left and right side catalytic converters.
6. Remove the exhaust pipe to right bank catalytic converter fasteners.
7. Carefully remove the catalytic converter with the seal/heat shield and oxygen sensor from the exhaust manifold. Remove and discard the catalytic converter inlet seal/heat shield from the converter assembly. Do not reuse.
8. Remove the oxygen sensor from the catalytic converter. Refer to Heated Oxygen Sensor Replacement - Bank 2 Sensor 1 (Heated Oxygen Sensor Replacement - Bank 2 Sensor 1).

Installation Procedure

1. Install the oxygen sensor to the catalytic converter. Refer to Heated Oxygen Sensor Replacement - Bank 2 Sensor 1 (Heated Oxygen Sensor Replacement - Bank 2 Sensor 1).

Note: Do not reuse the catalytic converter inlet seal/heat shield. Always replace with new.

2. Install the NEW catalytic converter seal/heat shield to the catalytic converter.




3. Carefully install the catalytic converter to the exhaust manifold.
4. Install the catalytic converter nuts.
5. Connect the oxygen sensor electrical connector.





Caution: Refer to Fastener Caution (Fastener Caution).

Note: Inspect the catalytic converter seals. Replace the seals if they are worn or damaged.

6. Connect the muffler pipes to the left and right side catalytic converters and tighten to 17 Nm (13 lb ft).
7. Lower the vehicle.
8. Tighten the catalytic converter to exhaust manifold fasteners to 50 Nm (37 lb ft).
9. Install the right bank exhaust manifold heat shield. Refer to Exhaust Manifold Heat Shield Replacement - Left Side (Exhaust Manifold Heat Shield Replacement - Left Side).