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Catalytic Converter: Service and Repair

WARNING: THE NORMAL OPERATING TEMPERATURE OF THE EXHAUST SYSTEM IS VERY HIGH. THEREFORE, NEVER WORK AROUND OR ATTEMPT TO SERVICE ANY PART OF THE EXHAUST SYSTEM UNTIL IT IS COOLED. SPECIAL CARE SHOULD BE TAKEN WHEN WORKING NEAR THE CATALYTIC CONVERTER. THE TEMPERATURE OF THE CONVERTER RISES TO A HIGH LEVEL AFTER A SHORT PERIOD OF ENGINE OPERATION TIME.

REMOVAL
1. Remove muffler and tailpipe assembly.

Downstream Oxygen Sensor:





2. Disconnect downstream oxygen sensor from the catalytic converter pipe.
3. Remove catalytic converter to exhaust manifold attaching fasteners.
4. Remove catalytic converter and gasket.

INSTALLATION
1. Position new gasket onto manifold flange and install catalytic converter. Tighten fasteners to 28 Nm (250 inch lbs.).
2. Connect downstream oxygen sensor.
3. Install muffler and tailpipe assembly.