* One on each camshaft. They're located on the front of each cylinder head, near the camshaft sprockets. You'll likely need to access them from the top, possibly after removing some covers or parts to get a clear view.
You'll need a repair manual specific to a 2001 Lincoln LS 4.6L V8 to get precise locations and removal instructions, as there are various components around the camshafts. Pictures in a repair manual will be invaluable.
