WARNING: This page is about a different car, the 2005 Mercury Montego, 2005 Ford Freestyle, and 2005 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.
Measure each camshaft journal diameter in 2 directions.
If out of specification, install new components as necessary. Refer to the appropriate
engine article for the procedure.
Fig 1: Locating Areas For Measuring Camshaft Journal Diameter