Dakota R/T 2WD V8-5.9L VIN Z LDC (1999)
Catalytic Converter: Service and Repair
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.
REMOVAL
1. Raise and support the vehicle.
2. Saturate the bolts and nuts with heat valve lubricant. Allow 5 minutes for penetration.
Exhaust Pipe-to-Catalytic Converter Flange Alignment-Typical
3. Remove the clamp nuts holding the catalytic converter flange to the exhaust pipe(s).
Extension Pipe To Catalytic Converter Flange
4. Remove the clamp nuts holding the catalytic converter flange to the muffler or extension pipe.
5. Remove the catalytic converter. You may have to loosen up other sections of the exhaust system.
INSTALLATION
1. Align and connect the catalytic converter flange to the exhaust pipe.
2. Install the catalytic converter flange into the muffler or extension pipe.
3. If other sections of the exhaust system where loosened in removal, refer to that component for the tightening procedures.
4. At the catalytic converter flange connections, install the clamp and nuts. Tighten the clamp nuts to 47 Nm (35 ft. lbs.) torque.
5. Lower the vehicle.
6. Start the engine and inspect for exhaust leaks and exhaust system contact with the body panels. Adjust the alignment, if needed.
