Oxidation Catalytic Converter Replacement 5.7 L Left

1. Remove the exhaust crossover pipe. Refer to Exhaust Crossover Pipe Replacement .
2. Remove the connector position assurance (CPA) retainer.
3. Disconnect the heated oxygen sensor electrical connector.
4. Remove the heated oxygen sensor from the left catalytic converter.



5. Remove the exhaust manifold pipe nuts (1).
6. Remove the catalytic converter gasket (2).
7. Remove the left catalytic converter.

1. Install the left catalytic converter gasket (2).
2. Install the left catalytic converter.
3. Install the exhaust manifold pipe nuts (1).

Tighten
Tighten the exhaust manifold pipe nuts (1) to 35 N·m (26 lb ft).




4. Install the heated oxygen sensor to the left catalytic converter.

Tighten
Tighten the heated oxygen sensor to 42 N·m (31 lb ft).

5. Connect the heated oxygen sensor electrical connector.
6. Install the CPA retainer.
7. Install the exhaust crossover pipe. Refer to Exhaust Crossover Pipe Replacement .

Oxidation Catalytic Converter Replacement 5.7 L Right

1. Remove the exhaust crossover pipe. Refer to Exhaust Crossover Pipe Replacement .
2. Remove the connector position assurance (CPA) retainers.
3. Disconnect the heated oxygen sensors electrical connectors.
4. Remove the heated oxygen sensors from the right catalytic converter.



5. Remove the exhaust manifold pipe nuts (1).
6. Remove the catalytic converter gasket (2).
7. Remove the right catalytic converter.

1. Install the catalytic converter gasket (2).
2. Install the right catalytic converter.
3. Tighten the exhaust manifold pipe nuts (1).

Tighten
Tighten the exhaust manifold pipe nuts (1) to 35 N·m (26 lb ft).




4. Install the heated oxygen sensors to the right catalytic converter.

Tighten
Tighten the heated oxygen sensor to 42 N·m (31 lb ft).

5. Connect the heated oxygen sensors electrical connectors.
6. Install the CPA retainers.
7. Install the exhaust crossover pipe. Refer to Exhaust Crossover Pipe Replacement .