Silverado 3500 2WD V8-6.6L DSL Turbo (2006)
8. Remove the exhaust manifold heat shield bolts.
9. Remove the exhaust manifold heat shield.
10. Remove the exhaust manifold bolts and nuts in the proper sequence.
11. Remove the exhaust manifold.
12. Remove and discard the exhaust manifold gasket.
13. Clean and inspect the exhaust manifold.