Inspect the camshaft follower roller-(1) for thefollowing:Flat spotsExcessive scoring and pittingEnsure the roller spins freelyInspect the camshaft follower valve tiparea-(2).Inspect the camshaft follower stationary hydraulic lashadjuster (SHLA) pivot area-(3).Replace the camshaft follower or followers asnecessary.
Secondary Camshaft Drive Chain Shoe Removal - Left Side Valvetrain Camshaft
Remove the left secondary camshaft drive chain shoebolt.Remove the left secondary camshaft drive chain shoe. ...