corrosion issue: expedition 2001

[mattgpearson]

have 100k on ford expediton 01...have been battling hood corrosion forever on this rig...also doors rusting out from bottom up (gap seal trapped mositure I beleive).......was going to keep it forever? what can be done to fix and preserve..........notice most others 2001 thru 05 are having same issue

[berry1234]

This is the 2007 and up forums, but google Por 15. Works.