Grand Prix V6-3.8L VIN 2 (2004)
Muffler: Service and Repair
Dual
Removal Procedure
Important: The muffler is serviced as a complete assembly and cannot be serviced separately.
1. Raise and support the vehicle.
2. Support the exhaust system.
3. Remove the catalytic converter from the muffler.
4. Remove the muffler from the exhaust hangers.
5. Clean the catalytic converter and the muffler gasket mating surfaces.
Installation Procedure
1. Install the muffler to the exhaust hangers.
2. Support the exhaust system.
3. Install a new gasket to the catalytic converter and the muffler.
4. Install the catalytic converter to the muffler.
5. Remove the exhaust system support.
6. Lower the vehicle.
7. Inspect for exhaust leaks.