Removal ProcedureRemove the primary camshaft drive chain tensioner. Refer toPrimary Camshaft Intermediate Drive Chain Tensioner Replacement.
Remove the primary camshaft drive chain lower guidebolts.Remove the primary camshaft drive chain lower guide.Installation Procedure
Position the primary camshaft drive chain lower guide to theoil pump.
Caution:Refer toFastener Caution.
Install the primary camshaft drive chain lower guide boltsand tighten to25-Y(18-lb-ft).Install the primary camshaft drive chain tensioner. Refer toPrimary Camshaft Intermediate Drive Chain Tensioner Replacement.Camshaft 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 ...