Removal Procedure
An accumulation of dirt and corrosion may make removing exhaust components difficult. Applying a penetrating oil on the threads of the bolts may assist in the removal of these components.
- Raise the vehicle.
- Support the muffler assembly.
- Remove the 3 nuts connecting the muffler assembly to the catalytic converter assembly.
- To aid in the removal of the muffler assembly, lubricate the rubber hangers with rubber lubricant GM P/N 12345884. Remove the muffler assembly from the front hanger.
- Remove muffler assembly from the rear hanger.
- Remove the muffler assembly from the tailpipe hanger.
- Remove the muffler assembly from the vehicle.