Removal ("L", "M", S" & "T" Series)

Raise and support vehicle. Remove wheels and brake drums, if equipped. Loosen differential cover plate and drain lubricant from axle. Remove cover plate.
Remove pinion shaft lock bolt. See Fig 1 and Figure . Remove pinion shaft. Push axle shaft toward center of vehicle and remove "C" lock from end of axle shaft. Remove axle shaft.
Pry seal from axle housing. Using slide hammer and axle bearing puller, remove bearing from axle housing.

Fig 1: Locating "C" Lock & Pinion Shaft Lock Bolt (Astro, Safari, & "S" & "T" Series Shown; Others Similar)

Courtesy of GENERAL MOTORS CORP.