Silverado 3500 4WD V8-6.0L (2007)
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.
2. Install the valve lifter oil manifold (1) to the engine.