Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

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.