GMC 1976 ZEO 6083 Maintenance Manual page 195

Figure 21-Lowering Control Arm Assembly from
Vehicle
11 . Lower rear suspension unit to floor as shown
in Figure 21 .
12 . Referring to Figure 22, remove two nuts on
mounting bracket . Remove Allen head retainer
screws on back of mounting bracket as shown in
Figure 23 .
13 . Press out control arm mounting pins, then
remove control arms .
Figure 22-Removing Mounting Bracket Nuts
REAR SUSPENSION
4- 1 1
Figure 23-Location of Retainer
14. Apply penetrating oil to wheel spindle and
suspension arm mating surfaces . Position screw pad
J-25265-6 as shown in Figure 24 .
15 . Install spindle removing tool as shown in
Figure 25 .
16 . Tighten tool through bolts and then reaction
set screw as shown in Figures 25 and 26 .
17 . Press out spindle by turning forcing screw, (it
may be necessary to tap spindle end lightly after
preloading screw) .
Figure 24-Special Tool J-25265-6