Catalytic Converter: Service and Repair
Catalytic Converter
Removing
- Remove the muffler. Refer to => [ Muffler/Resonator Assembly ] Muffler/Resonator Assembly.
- Remove the bank 1 sensor 2 oxygen sensor (3). Refer to => [ Oxygen Sensor, Bank 1 Sensor 2 ] Oxygen Sensor, Bank 1 Sensor 2.
- Remove the catalytic converter to exhaust manifold bolts (3) and nuts (4).
- Remove the catalytic converter to exhaust manifold gasket (2).
- Remove the catalytic converter (4) from the vehicle.
Installing
- Install the catalytic converter (4) to the vehicle.
- Position a new gasket (2) between the catalytic converter (4) and the exhaust manifold.
- Install the catalytic converter to exhaust manifold bolts (3) and nuts (1). Tighten the bolts to 37 Nm (27 ft lbs).
• Be careful not to twist or kink the oxygen sensor wires.
- Install the bank 1 sensor 2 oxygen sensor (3). Refer to => [ Oxygen Sensor, Bank 1 Sensor 2 ] Oxygen Sensor, Bank 1 Sensor 2.
- Install the muffler. Refer to => [ Muffler/Resonator Assembly ] Muffler/Resonator Assembly.
- Start the engine and inspect for exhaust leaks. Repair the exhaust leaks as necessary.
- Check the exhaust system for contact with the body panels. Make the necessary adjustments, as needed.