
Remove the right secondary camshaft drive chain tensionerbolts.Remove the right secondary camshaft drive chaintensioner.

Remove and discard the right secondary camshaft drive chaintensioner gasket.Inspect the right secondary camshaft drive chain tensionermounting surface on the right cylinder head for burrs or anydefects that would degrade the sealing of the NEW right secondarycamshaft drive chain tensioner gasket.
Secondary Camshaft Drive Chain Shoe Removal - Right Side Valvetrain Camshaft
Secondary Air Injection Check Valve Removal - Bank 1 Emissions Air InjectionCamshaft Cleaning and Inspection Valvetrain Camshaft
Special ToolsGE 7872Magnetic Base Dial IndicatorFor equivalent regional tools, refer toSpecial Tools.Cleaning ProcedureClean the camshaft in solvent.Warning:Refer toSafety Glasses Warning.Dry the camshaft with compressed air.Visual InspectionInspect the camshaft oil feed holes-(1) to thecamshaft pos ...