GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2002
🢒
Impala
🢒
Engine
🢒
Engine Exhaust
🢒 Exhaust Muffler Replacement
Exhaust Muffler Replacement Dual
Removal Procedure
Important:
The muffler is serviced as a complete assembly and cannot be serviced separately.
Raise and support the vehicle. Refer to
Lifting and Jacking the Vehicle
in General information.
Support the exhaust system.
Remove the catalytic converter from the muffler. Refer to
Catalytic Converter Replacement
.
Remove the muffler from the exhaust hangers.
Clean the catalytic converter and the muffler gasket mating surfaces.
Installation Procedure
Install the muffler to the exhaust hangers.
Support the exhaust system.
Install a new gasket to the catalytic converter and the muffler.
Install the catalytic converter to the muffler. Refer to
Catalytic Converter Replacement
.
Remove the exhaust system support.
Lower the vehicle.
Inspect for exhaust leaks.
Exhaust Muffler Replacement Single
Removal Procedure
Important:
The muffler is serviced as a complete assembly and cannot be serviced separately.
Raise and support the vehicle. Refer to
Lifting and Jacking the Vehicle
in General information.
Support the exhaust system.
Remove the catalytic converter from the muffler. Refer to
Catalytic Converter Replacement
.
Remove the exhaust system from the exhaust hangers.
Clean the catalytic converter and the muffler gasket mating surfaces.
Installation Procedure
Install the muffler to the exhaust hangers.
Support the exhaust system.
Install a new gasket to the catalytic converter and the muffler.
Install the catalytic converter to the muffler. Refer to
Catalytic Converter Replacement
.
Remove the exhaust system support.
Lower the vehicle.
Inspect for exhaust leaks.