Express 2500 V8-6.0L (2008)
Catalytic Converter: Service and Repair
Catalytic Converter Replacement (6.0L - Right)
Catalytic Converter Replacement (6.0L - Right)
Removal Procedure
1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
2. Disconnect the oxygen sensor connectors.
3. Remove the exhaust hanger bolts and hanger from the vehicle.
Caution: Refer to Exhaust Service Caution .
Caution: Refer to Protective Goggles and Gloves Caution .
4. Remove the nuts retaining the exhaust pipe flange to the catalytic converter pipe.
5. Loosen the nut retaining the exhaust pipe clamp to the muffler.
6. Remove the exhaust pipe and flange gasket.
Installation Procedure
Notice: Refer to Fastener Notice .
1. Remove the oxygen sensors and install into new exhaust pipe.
Tighten the sensors to 42 N.m (31 lb ft).