Ford AL8Z-5G232-A Exhaust Manifold And Catalyst Assembly

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Disconnect the cable from the negative battery terminal.

A catalytic converter (or catalyst) is an emission control device in the exhaust system that reduces certain pollutants in the exhaust gas stream. There are two types of converters: an oxidation catalyst, which reduces hydrocarbons (HC) and carbon monoxide (CO), and a reduction catalyst, which reduces oxides of nitrogen (NOx). Catalysts that can reduce all three pollutants are known as "three-way catalysts." The models covered by this manual are equipped with three-way catalysts.

The remainder of installation is the reverse of removal, and ensure to tighten the catalytic converter mounting nuts to the proper torque before installing the converter bracket bolts.

A catalytic converter (or catalyst) is an emission control device in the exhaust system that reduces certain pollutants in the exhaust gas stream. There are two types of converters: an oxidation catalyst, which reduces hydrocarbons (HC) and carbon monoxide (CO), and a reduction catalyst, which reduces oxides of nitrogen (NOx). Catalysts that can reduce all three pollutants are known as "three-way catalysts." The models covered by this manual are equipped with three-way catalysts.

Install a new manifold gasket over the cylinder head studs, lightly oil the stud threads with clean engine oil, and then install the manifold and the nuts.

Clean up the threads of the exhaust manifold bolts with a wire brush and inspect for damage. Replace any damaged bolts.