Catalytic Converter - 3.9L/5.9L: Installation

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.

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.

Align and connect the catalytic converter flange to the exhaust pipe.
Install the catalytic converter flange into the muffler or extension pipe (Fig 1 ).

Fig 1: Connecting Catalytic Converter Flange To Exhaust Pipe
Courtesy of DAIMLERCHRYSLER CORP.
If other sections of the exhaust system where loosened in removal, refer to that information for the tightening procedures.
At the catalytic converter flange connections, install the clamp and nuts. Tighten the clamp nuts to 41 N.m (30 ft. lbs.) torque.
Install the crossmember.
Install the rear engine mount (Refer to REAR MOUNT - 3.9L or REAR MOUNT - 5.9L ).
Lower the vehicle.
Start the engine and inspect for exhaust leaks and exhaust system contact with the body panels. Adjust the alignment, if needed.