WARNING: This page is about a different car, the 2006 Mercury Milan, 2006 Lincoln Zephyr, and 2006 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
LH shown, RH similar.
Fig 1: Exploded View Of Valve Train Components
Courtesy of FORD MOTOR CO.
For additional information, refer to the appropriate procedure.