Both cylinder heads

WARNING: This page is about a different car, the 2007 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.

With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to JACKING AND LIFTING article.
Remove the lower intake manifold. For additional information, refer to Lower Intake Manifold in this article.
Rotate the accessory drive belt tensioner counterclockwise and remove the accessory drive belt.

Fig 1: Rotating The Tensioner Counterclockwise
Courtesy of FORD MOTOR CO.

NOTE: LH shown, RH similar.

Remove the 2 cylinder block drain plugs.

Fig 1: Identifying Cylinder Block Drain Plugs

Courtesy of FORD MOTOR CO.

Remove and discard the 4 short and 4 long cylinder head bolts.
Remove the cylinder head and the gasket. Discard the gasket.