Basically you take the wheel off. Remove caliper/hang it, take rotor off, remove hub, remove snap ring, remove 3 washers, remove hub bearing assembly, pry axle out, remove bottom ball joint nut, loosen top ball joint nut but leave on w/ 2 threads, douse w/ PB Blaster, use huge pickle fork to seperate knuckle from axle, when it finally drops take the top ball joint nut off, put knuckle in a vise, remove snap ring(s), spray w/ PB blaster, use a peice of steel stock and a BFH to pound out the ball joints.
Use a ball joint tool to put the new ball joints in (use some PB Blaster and emory cloth to clean ball joint bore and a light coating of grease helps), then reverse order.
You should replace the yellow O ring on the back of the Hub Bearing assembly as well as the knuckle seal. It requires a special driver to put it on so just take that to your ford dealer unless you want to fab up an installation driver.
yeah that writeup will be good for an 04. Not that bad of a job. You can rent a ball joint press from most auto parts, the only thing you "need" at home but can still do with out is a bench vice. Makes pressing the ball joints in and out 10 X's easier.
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