Converter, Catalytic: Installation: 5.7L

WARNING: This page is about a different car, the 2020 Chrysler 300 and 2019 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.

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NOTE:

If a new catalytic converter is installed in the vehicle, the Powertrain Control Module (PCM) mileage needs to be reset for proper operation of emission monitors and the health of the catalytic converter.

Position the catalytic converter onto the exhaust manifold flange and install the flange nuts (1) finger tight.
Connect the oxygen sensor wire harness connectors.

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Position the muffler and resonator assembly (1) onto the catalytic converters.
Tighten the exhaust manifold flange nuts to the proper specification. Refer to TECHNICAL SPECIFICATIONS .
Tighten the band clamps (2) to the proper specification. Refer to TECHNICAL SPECIFICATIONS .

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Install the heat shield retaining nuts (1) and tighten to the proper specification. Refer to TECHNICAL SPECIFICATIONS .
Remove the support and lower the vehicle.
Connect the negative battery cable. If equipped with an Intelligent Battery Sensor (IBS), connect the IBS connector. Connect the negative battery cable.
Start the engine and check for exhaust leaks.