Hotchkis 1811 1994-1996 Impala SS X-Tend Rear Suspension - Manual (Page 10)

Important Note: On 12-bolt differentials, you cannot use the homemade press method. This
is because the thrust bushing (see step 13) needs to be installed onto the can just before the
can is fully pressed in. The thrust washer also needs to be shaved down in order to clear the
differential housing. In this instance, use a dead blow hammer to smack the can into the
mount hole.
12. Once both cans are pressed in, lube the polyurethane bushings and push them into the can
in the same manner. You may need to use a dead blow hammer or large channel locks to
get the bushing in all the way.