MKZ AWD V6-3.5L (2008)
16. NOTE: Cylinder head camshaft bearing caps are numbered to verify that they are assembled in their original positions.
Remove the bolts and the LH camshaft bearing caps.
^
Remove the LH camshafts.
RH camshafts
17. Compress the RH secondary timing chain tensioner and install a suitable lockpin to retain the tensioner in the collapsed position.
18. NOTE: The VCT bolt and the exhaust camshaft bolt must be discarded and new ones installed. However, the exhaust camshaft washer is reusable.