Sierra 1500 2WD V8-6.0L Hybrid (2010)
7. Remove the exhaust muffler to exhaust manifold pipe nuts (1).
8. Remove the exhaust manifold pipe to exhaust manifold nuts.
9. Using the transmission jack, lower the transmission slightly.
10. Separate any necessary exhaust muffler insulators so that the pipe may be separated from the muffler.
