Mariner 2WD L4-2.5L (2009)
14. Using the flats on the camshaft to prevent camshaft rotation, remove the bolt and the exhaust camshaft drive gear.
15. Remove the Camshaft Alignment Plate.
16. Remove the timing chain from the intake camshaft drive gear.
17. Mark the position of the camshaft lobes on the No. 1 cylinder for installation reference.