Savana 3/4 Ton Van V8-5.3L VIN T (2003)
Catalytic Converter: Service and Repair
Converter Replacement Dual Exhaust - Left
Catalytic Converter Replacement (Dual Exhaust - Left)
Removal Procedure
1. Raise the vehicle. Refer to Vehicle Lifting.
2. Disconnect the oxygen sensors.
3. Remove the exhaust hanger bolts and hanger from the vehicle.
Caution: Refer to Exhaust Service Caution in Service Precautions.
Caution: Refer to Protective Goggles and Gloves Caution in Service Precautions.
4. Remove the nuts retaining the exhaust pipe flange to the catalytic converter pipe.
5. Remove the nuts retaining the exhaust pipe flange to the muffler.
6. Remove the exhaust pipe.
7. Remove the flange gasket.
Installation Procedure
Notice: Refer to Fastener Notice in Service Precautions.
1. Remove the oxygen sensors and install into the new exhaust pipe.
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Tighten the sensors to 42 Nm (31 ft. lbs.).
2. Install new gaskets to the muffler flange and the catalytic converter pipe flange.
3. Install the exhaust pipe.
4. Install the nuts for the catalytic converse pipe to the exhaust pipe.
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Tighten the flange nuts to 48 Nm (35 ft. lbs.).
5. Install the nuts for the muffler to the exhaust pipe.
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Tighten the nuts to 48 Nm (35 ft. lbs.).
