Flex FWD V6-3.5L (2010)
Catalytic Converter: Service and Repair
Catalytic Converter - RH
Catalytic Converter - RH, 3.5L
1. NOTE: Always install new fasteners and gaskets. Clean flange faces prior to new gasket installation to make sure of correct sealing.
With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Vehicle Jacking and Lifting. See: Maintenance/Vehicle
Lifting
2. Remove the exhaust Y-pipe. For additional information, refer to Exhaust Y-Pipe See: Engine, Cooling and Exhaust/Exhaust System/Exhaust
Pipe/Service and Repair/Exhaust Y-Pipe.
3. Remove the RH Catalyst Monitor Sensor (CMS). For additional information, refer to Computers and Control Systems.
4. Remove the 2 bracket-to-RH catalytic converter bolts.
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To install, tighten to 20 Nm (177 lb-in).
5. Remove the 4 nuts and the RH catalytic converter.
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Discard the nuts and gasket.
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To install, tighten to 40 Nm (30 lb-ft).
6. Inspect the exhaust manifold studs for damage.
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If damaged or if stud comes out when removing the nut, replace the stud.
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To install, tighten to 25 Nm (18 lb-ft).
7. NOTICE: Prior to Installation, Inspect the CMS wiring harness for damage.
To install, reverse the removal procedure.
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Install a new gasket and nuts.