Sierra 1500 2WD V8-4.8L (2007)
7. Using a cutter type tool, cut the 8 retaining straps.
8. Remove the outer gasket (1) from the valve lifter oil manifold.
Installation Procedure
Important: All gasket surfaces should be free of oil or other foreign material during assembly.
1. Place the service gasket (1) onto the valve lifter oil manifold.