Catalytic Converter - Removal
5.7L/6.4L
CAUTION: When separating the catalytic converters from the manifolds, disconnect the oxygen sensor connectors. Allowing the catalytic converters hanging from the oxygen sensor wires damages the harness and/or sensors.
NOTE: Left side shown, right side similar.
1. Disconnect the negative battery cable.
2. Raise and support the vehicle.
3. Saturate all exhaust bolts and nuts with Mopar(R) Rust Penetrant. Allow five minutes for penetration.
4. Disconnect the O2S sensor electrical connectors (2).
5. Remove the catalytic converter to manifold flange nuts (3) and separate the catalytic converters (4) from the exhaust manifolds.
6. Remove the front exhaust pipe band clamps (2) on the exhaust pipe/muffler and resonator assembly (1).
7. Separate the exhaust pipe/muffler and resonator assembly from the catalytic converters (3 and 4).
8. Remove the catalytic converters.