Sierra 1500 4WD V8-5.3L VIN T (2004)
Muffler: Service and Repair
Muffler Replacement (4.3L, 4.8L, and 5.3L Engines)
Removal Procedure
1. Raise and suitably support the vehicle.
2. Remove the exhaust muffler nuts.
3. Apply lubricant to the exhaust insulators in order to aid in removal.
4. Remove the muffler brackets from the insulators.
5. Remove the exhaust muffler.
Installation Procedure
1. Apply lubricant to the exhaust insulators in order to aid in installation.
2. Install the muffler to the insulators.
