You need to remove the engine front cover, and rotate the crankshaft until the timing marks in the following locations are aligned: the
Timing Chain dampener to the crankshaft sprocket and the timing chain dampener to the camshaft sprocket locator hole. Then you can remove the camshaft sprocket bolt, the camshaft sprocket with the timing chain, the crankshaft sprocket, the timing chain dampener bolts, the timing chain dampener, remove the camshaft thrust plate screws, and the camshaft thrust plate.