TrailBlazer 2WD L6-4.2L VIN S (2003)
Muffler: Service and Repair
Muffler Replacement
Removal Procedure
1. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
2. Remove the frame brace (required on extended versions).
3. Remove the nuts that secure the muffler to the catalytic converter pipe.
Important: If there is damage to any part of the exhaust muffler assembly replace as an assembly.
4. Inspect the exhaust muffler and the front pipe of the exhaust muffler for any damage if it is to be reused.
5. Separate the muffler from the hanger insulators.
6. Remove the muffler.
7. If there is any damage aft of the exhaust muffler:
7.1.
Suitably support the exhaust system.