Catalytic Converter - 4.7L: Removal
WARNING: This page is about a different car, the 2003 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.
The mini catalytic converters used on the 4.7L engine is an integral part of the exhaust pipe. To replace the mini catalytic converters, the entire exhaust pipe assembly must be replaced. (Refer to EXHAUST SYSTEM/EXHAUST PIPE-REMOVAL ).
CAUTION:
When servicing or replacing exhaust system components, disconnect the oxygen sensor connector(s). Allowing the exhaust to hang by the oxygen sensor wires will damage the harness and/or sensor.
- Raise and support the vehicle.
- Saturate the bolts and nuts with Mopar(R) Rust Penetrant. Allow 5 minutes for penetration.
- Remove the clamp holding the catalytic converter flange to the exhaust pipe(s).
- Remove the clamp holding the catalytic converter flange to the muffler or extension pipe.
- Remove the engine rear mount (Refer to REAR MOUNT - 4.7L ).
- Remove the crossmember.
- Remove the catalytic converter. You may have to loosen up other sections of the exhaust system.