Here are how-to's with pics for front and rear wheel bearings -
Jake Latham's 1997 Z51 Corvette - Misc Tidbits
Jake shows the seperation of the lower balljoint being done w/ a wooden block and hammer... sometimes this works sometimes it doesn't. So if it doesn't be prepared to run to the auto parts store and rent a balljoint seperator... not a picklefork!