3.7L/4.7L Engine

3.7L/4.7L ENGINE





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.

1. Raise and support the vehicle.
2. Saturate all exhaust bolts and nuts with Mopar(R) Rust Penetrant. Allow 5 minutes for penetration.
3. DIsconnect the oxygen senor electrical connectors.
4. Remove the catalytic converter-to-manifold bolts (5).
5. Remove the clamp (1) holding the catalytic converter (3) to the exhaust pipe(s) (2).
6. If present, grind tack weld.
7. Remove the clamp holding the catalytic converter flange to the muffler or extension pipe.
8. Remove the catalytic converter. You may have to loosen up other sections of the exhaust system.