Timing Component Alignment Marks: Locations

2010 Mercury Mountaineer 2WD V8-4.6LSECTION Locations



Timing Chain Alignment

NOTICE: Damage to the camshaft phaser sprocket assembly will occur if mishandled or used as a lifting or leveraging device.

NOTICE: Only use hand tools to remove the camshaft phaser sprocket assembly or damage may occur to the camshaft or camshaft phaser unit.

Install the crankshaft sprocket, making sure the flange faces forward.





Rotate the crankshaft to position the crankshaft sprocket timing mark in the 6 o'clock position.





NOTICE: Timing chain procedures must be followed exactly or damage to valves and pistons will result.

If the colored links are not visible, mark one link on one end and one link on the other end and use as timing marks.





Position the lower end of the LH (inner) timing chain on the crankshaft sprocket, aligning the timing mark on the outer flange of the crankshaft sprocket with the single colored (marked) link on the chain.





NOTE: Make sure the upper half of the timing chain is below the tensioner arm dowel.

Position the LH timing chain on the camshaft sprocket. Make sure the camshaft sprocket timing mark is aligned with the colored (marked) chain link.





Position the lower end of the RH (outer) timing chain on the crankshaft sprocket, aligning the timing mark on the sprocket with the single colored (marked) chain link.





NOTE: The camshaft phaser and sprocket will be stamped with one of the illustrated timing marks for the RH camshaft.

NOTE: The lower half of the timing chain must be positioned above the tensioner arm dowel.

Position the RH timing chain on the camshaft sprocket. Make sure the camshaft sprocket timing mark is aligned with the colored (marked) chain link.





NOTE: The RH and LH camshaft phaser sprockets are similar. Refer to the single timing mark to identify the RH camshaft phaser sprocket and the L timing mark to identify the LH camshaft phaser sprocket.

As a post-check, verify correct alignment of all timing marks. Make sure the timing marks on the sprockets correspond to the above note.




RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.