Let's get this out of the way right now. This isn't a step-by-step instructional on how to replace a rear axle bearing, because so many different models use so many different means to hold the axles ...
First, how are semi-float and full-float axles different? In a semi-floating axle, there is an axle shaft on each side that is splined on the inner end where it mates to the differential. Each end ...