Flex FWD V6-3.5L (2010)
Catalytic Converter: Service and Repair
Catalytic Converter - LH
Catalytic Converter - LH, 3.5L
Removal and Installation
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. Disconnect the LH Catalyst Monitor Sensor (CMS) electrical connector.
3. 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.
4. Remove the 2 catalytic converter support bracket-to-transmission bolts.
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To install, tighten to 48 Nm (35 lb-ft).
5. Remove the 4 nuts and the LH 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. To install, reverse the removal procedure.
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Install a new gasket and nuts.