Sierra 1500 4WD V8-6.0L (2007)
27. Loosen the intake manifold bolts (512).
Important: The aid of an assistant may be helpful in holding the engine harness up out of the way so the upper intake manifold cover does
not get caught against the engine harness.
28. Remove the intake manifold (500).
29. Cover the cylinder head passages in order to prevent dirt or debris from entering the passages.
30. Remove and discard the intake manifold gaskets (514).
