1) Jack up vehicle and place sturdy jack stands under axle.
2) If removing third member, Remove and secure driveshaft
3) Remove wheels and brake drums.
(click for larger image)
4) Remove 4 retainer nuts located on vacuum plate. (Big bearing socket size is 3/4")
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5) Install brake drum backwards and install lug nuts a couple turns.
(click for larger image)
6) Use brake drum as a slide hammer until axle bearing clears housing. Notice progress in second pic.