Apr. 1, 2015. TDK Corporation has announced that its Hong Kong-based HDD head manufacturing wholly owned subsidiary, SAE Magnetics (H.K.) Ltd.
You use a wrench to screw, or unscrew a bolt. A screwdriver is for screws. Either way you turn it left. Some bolts have reverse threads and would turn the other way to unbolt.
Just stick your screwdriver down there and wack it with the hammer and it should pop right out. NOTE: I sprayed it first with some PB Blaster to loosen things up a bit. NOTE: I also hammered one side to loosen the clip on the other side. Then did the same to the other side to take the other clip out. used a socket and a steel rod to hammer the joints through. It was easy enough that if you don't want to buy a press you should be fine. A press would make it really easy though. Once you hammer one side through, flip it over and hammer the other side through and pull the old U Joint out.