Sierra 2500 Denali 2WD V8-6.0L (2011)
6. If equipped with a 5.3L, or a 6.0L engine, lubricate the 3 insulators where the muffler assembly hangers are inserted in order to ease installation.
7. With the aid of an assistant, position and install the muffler assembly.
8. Install the insulators (1, 2) to the front and rear muffler assembly hangers.
9. Install the insulator (1) to the intermediate muffler assembly hanger.
