Chevrolet 15217083 3Way Catalytic Convertor Assembly (W/ Exhaust Manifold P

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The catalytic converter is an emission control device added to the exhaust system to reduce pollutants from the exhaust gas stream. A three-way (reduction) catalyst design is used. The catalytic coating on the three-way catalyst contains platinum and rhodium, which lowers the levels of oxides of nitrogen (NOx) as well as hydrocarbons (HC) and carbon monoxide (CO). The test equipment for a catalytic converter is expensive and highly sophisticated. If you suspect that the converter on your vehicle is malfunctioning, take it to a dealer or authorized emissions inspection facility for diagnosis and repair. To replace the converter, raise the vehicle and support it securely on jackstands. Remove the bolts and detach the catalytic converter header pipe from the exhaust manifold. Remove the catalytic converter-to-muffler flange nuts and push the muffler back far enough for the studs to clear the converter flange. Remove the catalytic converter and pipe assembly. Clean the carbon deposits from the mounting flanges. Installation is the reverse of removal. Note: Because of a Federally mandated warranty which covers emissions-related components such as the catalytic converter, check with a dealer service department before replacing the converter at your own expense.

The catalytic converter helps to lower the levels of oxides of nitrogen (NOx), hydrocarbons (HC), and carbon monoxide (CO).

The exhaust system consists of various components, including the exhaust manifolds, catalytic converters, muffler, resonators, tailpipe, and all connecting pipes, brackets, hangers, and clamps.

When repairing the exhaust system, wear safety goggles to protect your eyes from metal chips and work gloves to protect your hands.