Sierra Denali V8-6.0L VIN N (2005)
10. Remove the EVAP purge solenoid bolt (2), solenoid (3), and isolator (1) from the intake manifold.
11. Loosen the intake manifold bolts.
12. Remove the intake manifold.
13. Remove the intake manifold gaskets (1) from the intake manifold.
14. Discard the old intake manifold gaskets.
15. If required, clean and inspect the intake manifold. Refer to Intake Manifold Cleaning and Inspection.
Installation Procedure
