C 3500 Truck 2WD V8-6.0L VIN U (2001)
28. If equipped with a 6.0L engine, with RPO Y91, remove the insulators from the frame hangers.
29. With the aid of an assistant, slide the muffler rearward in order to remove the muffler from the catalytic converter.
30. Remove the insulators from the muffler hangers.
31. Remove the exhaust manifold pipe gasket, if necessary.
32. If equipped with a 6.6L engine, remove the insulators from the frame hangers.
33. With the aid of an assistant, slide the muffler rearward in order to remove the muffler from the exhaust muffler pipe.
34. Remove the exhaust muffler gasket, if necessary.
35. Remove the insulators from the muffler hangers.
36. If equipped with a 6.0L or 8.1L engine, remove the oxygen sensor if the muffler is being replaced.
Installation Procedure
Notice: Refer to Exhaust System Clearance Notice in Service Precautions.
