Removal Procedure
Remove the applicable camshafts. Refer toCamshaft Replacement - Left Side.Remove the rocker arms. Refer toValve Rocker Arm Replacement - Left Side.Remove the lifters. Refer toValve Lifter Removal - Left SideClean and inspect the camshafts, rocker arms and lifters.Repair or replace as necessary. Refer toCamshaft Cleaning and InspectionandValve Lifter Cleaning and Inspection.Clean and inspect the rocker arm. Refer toValve Rocker Arm Cleaning and InspectionInstallation Procedure
Install the lifters.Install the rocker arms. Refer toValve Rocker Arm Replacement - Left Side.Install the camshafts. Refer toCamshaft Replacement - Left Side.
OnStar Overview
If equipped, this vehicle has a comprehensive, in-vehicle system that can connectto a live Advisor for Emergency, Security, Navigation, Connection, and DiagnosticServices.The OnStar system status light is next to the OnStar buttons. If the status lightis:Solid Green: System is ready.Flashing Green: ...