CX-9 AWD V6-3.7L (2008)
4. Remove the timing chain in the following order.
1) Chain tensioner
2) Timing chain
3) Tensioner arm
4) Chain guide
5) Crankshaft sprocket
5. Rotate the crankshaft counterclockwise until the keyway is in the 9 o'clock position.
6. Slowly compress the camshaft timing chain tensioner (LH) piston by hand.