Removal Procedure

Note:Do not remove the left bank idler sprocket.
Remove the primary timing chain. Refer toPrimary Camshaft Drive Chain and Sprockets Replacement.Remove the crankshaft sprocket. Refer toCrankshaft Sprocket Removal.Remove the oil pump bolts and the oil pump.Installation Procedure
Install the oil pump and bolts. Refer toOil Pump InstallationInstall the crankshaft sprocket. Refer toCrankshaft Sprocket Installation.Install the primary timing chain. Refer toPrimary Camshaft Drive Chain and Sprockets Replacement.
Engine Coolant Thermostat Housing Replacement (LEA) Engine Cooling Thermostat
Evaporative Emission Canister Replacement Emissions Evap Evap CanisterCamshaft Cleaning and Inspection (LAF, LEA, or LUK) Valvetrain Camshaft
Inspect the camshaft journals and lobes for wear orscoring.Inspect the camshaft sprocket alignment notch fordamage.Inspect the camshaft cover-(1) for damage or looseoil control baffles.Clean the camshaft cover.Wash the camshafts-(2, 3) in solvent.Oil the camshafts.Inspect the camshaft cover for crac ...