GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2009
🢒
Impala
🢒
Preface
🢒
Dangers, Warnings, and Cautions
🢒 Exhaust Muffler Replacement
Exhaust Muffler Replacement Dual Outlet
Removal Procedure
Important:
The muffler is serviced as a complete assembly and cannot be serviced separately.
Remove the catalytic converter. Refer to
Catalytic Converter Replacement
.
Support the exhaust system.
With the aid of an assistant, remove the exhaust system from the exhaust hangers.
Clean the catalytic converter and the muffler mating surfaces.
Installation Procedure
With the aid of an assistant, install the muffler to the exhaust hangers.
Remove the support from the exhaust system.
Install the catalytic converter. Refer to
Catalytic Converter Replacement
.
Exhaust Muffler Replacement Single Outlet
Removal Procedure
Important:
The muffler is serviced as a complete assembly and cannot be serviced separately.
Remove the catalytic converter. Refer to
Catalytic Converter Replacement
.
Have an assistant support the muffler assembly.
Remove the muffler assembly from the exhaust insulators.
Clean the catalytic converter to muffler mating surfaces.
Installation Procedure
Lubricate the insulators with spray lubricant.
With the aid of an assistant, install the muffler assembly to the exhaust insulators.
Install the catalytic converter. Refer to
Catalytic Converter Replacement
.