Lincoln 6E5Z-5G232-AA Exhaust Manifold Assembly

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Disconnect the crossover pipe.

It will be helpful to soak the manifold heat-shield retaining nuts with penetrating oil to loosen any rust. Remove the heat shield and apply penetrating oil to the exhaust manifold mounting bolts.

To remove the catalytic converter on V6 engines with the 3.0L engine's rear cylinder head and 3.5L engine's front or rear cylinder head, raise the front of the vehicle and place it securely on jackstands. Remove the engine under cover. Disconnect the upstream and downstream oxygen sensors, remove both oxygen sensors, and remove any heat shield if equipped. Remove the fasteners securing the catalyst's upper mounting flange to the exhaust manifold, as well as the lower mounting flange to the exhaust pipe. Pull the exhaust pipe down to clear the lower end of the catalyst. Remove the catalyst from the exhaust manifold and discard the old gaskets between the flanges. Installation is the reverse of removal, using new flange gaskets.