How difficult is it to change the fuel filter on a 97 Caravan and do I need any special tools?

Nope yo0u don't need any tools infact. It's on the top front of the fuel tank. On some vans it's easier to remove just the front hanger strap for better access to the filter though.
Cheers,
Geoff

yes gforster is right no special tools needed if you look at the new filter good the ends more less clip on you might need a screwdriver to remove the old filter but you shouldnt have a problem