Mariner 2WD L4-2.5L (2009)
Remove the Camshaft Alignment Plate.
Remove the 6 mm x 18 mm bolt.
Remove the Crankshaft TDC Timing Peg.
Install the engine plug bolt.
Mercury Workshop Service and Repair Manuals
Timing Chain Tensioner >
< Timing Chain|Diagrams|Page 1949
Page 5