Funny you should ask. I just finished doing mine earlier today. You don't say whether you have the 4 cyl or V-6 engine. I've got a '99 contour V-6, and all the horror stories scared me as well. With the age of your car, and probable miles, I would recommend replacing the entire unit. About the same amount of work, effort & time as replacing the impeller only. The complete units available now have been improved over the originals, and if you buy the motorcraft one, I've been told it comes with the hoses. The hoses are short, and look to be difficult, but not impossible to deal with. Take out the battery & tray (two bolts, then slide to right, and lift up) for better access. Seperating the thermostat housing will give additional clearance. Shouldn't have to get under car except to drain radiator. Thermostat is easy, two bolts. Just make sure to match activating temperature of old one. Replace belt, and if you want to be safe, replace belt tensioner at same time. List of required tools is quite small. 10 mm socket, 7 & 8 mm sockets, ratchet, extension, swivel, pliers. Having an extra set of eyes & hands helps!
