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Look at it like this.. part of knowing how to replace the rear carrier bearings is knowing what parts are needed. You're gonna have to get it dialed back in after removing the carrier.
But. to get you started you will need to know what diff you have and if it is a limited slip. From there just make sure you're getting timken or maybe Fed Mogul bearings.. There is only one type. If you have a LSD you should also have a look at the clutch packs. Getting it back together is the reverse, but you will have to make sure you set the backlash correctly or you will be humming loudly either accelerating or decelerating. Look for a youtube vid of someone setting up a rear diff. Also, you can go to Ford with your VIN and ask them to look up those parts for your specific truck. Make sure to get the info they look up and head to Napa or your favorite parts store and ask for those same parts made by Timken, they'll be cheaper. The outer hub bearings are much easier and also readily available and do not require any "dialing" in, but you shoudl get brand new wheel Hub bolts.. You will notice they are not regular bolts but are a 2-piece locking style hub nut. You will need a special tool to remove the rear hub nuts. If you don't get new ones make sure to clean all the dirt and old grease out of the nut/locking ring.
I apologize in advance if I am telling you something you already know, but your question leads me to believe you have not done this.
Last edited by NorCalDiesel; 10-15-2012 at 09:11 PM.