Ford 7T4Z-5E212-A Catalytic Converter

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For four-cylinder engines, raise the vehicle and place on jackstands. Disconnect the downstream oxygen sensor on the catalyst. Remove the sensor and loosen the catalyst's front clamp fasteners. Remove the nuts and bolts securing the catalyst to the exhaust pipe. Remove the catalytic converter and old gasket. Install in reverse order with a new gasket and fasteners. For V6 engines, raise the vehicle and remove the engine under-cover. Disconnect both oxygen sensors and remove. If a heat shield is present, remove it and its bracket. Remove the fasteners securing the catalyst to the exhaust manifold and pipe. Pull down the exhaust pipe to clear the catalyst. Remove the catalyst and old gaskets. Install in reverse order with new gaskets.

All 2006 through 2009 models have catalytic converters that are integral components of the exhaust manifolds and cannot be serviced separately.

To replace the catalytic converter in four-cylinder engines, start by raising the vehicle and placing it securely on jackstands. Locate and disconnect the downstream oxygen sensor on the upper central part of the catalyst. Unscrew and remove the downstream oxygen sensor/catalyst sensor from the catalyst. Loosen the fasteners on the clamp that secures the front end of the catalyst to the turbocharger. Remove the nuts and bolts that secure the flange at the rear end of the catalyst to the exhaust pipe. Remove the catalytic converter and discard the old gasket between the exhaust down pipe and the catalyst mounting flange. Installation is the reverse of removal, using a new gasket and new fasteners if necessary.