Chevrolet 1977 light duty truck Service Manual page 296

Fig. 3C-24~Lowering C ontrol Arm for Bushing
Replacement
ball stud in steering knuckle. W hen stud is loosened,
remove tool and nut from lower stud.
N O T E : It is necessary to remove the brake caliper
assembly and wire it to the fram e to gain clearance
for tool J-23742.
procedure.
4. Remove the lower control arm.
Low er C ontrol Arm Inner Pivot Shaft a n d /
or Bushing R eplacem ent-O n Vehicle
CIO, G10-20 (Rubber Bushings)
Removal (Figs. 3C -24 , 3 C -25)
N O TE : If just bushings or pivot shaft are to be
replaced the lower control arm does not have to be
removed from the vehicle.
See section 5 for proper
1. Raise vehicle on hoist and support the fram e so
that the control arm s hang free.
2. Position an adjustable floor jack u nd e r the lower
control arm inbo ard of spring and into depression of
control arm.
3. Install a chain over the upper arm inboard of
the stabilizer and outboard o f shock absorber as a safety
measure.
4. Disconnect shock and stabilizer bar attachments
at lower control arm.
5. Loosen shaft end nuts.
6. Remove " U " bolts that retain the inboard end
o f the lower control arm.
7. Lower jack SLOW LY to release spring com pres­
sion (Fig. 3C-24) and gain clearance to remove bushings.
WARNING: Be sure
released from coil springs.
8. Remove the stakes on the front bushing using
tool J-22717 or equivalent tool.
9. Bushings m ay now be replaced. Install "C "
clamps J-24435-7 and receiver J-24435-3 with remover
J-2.4435-2 and spacer J-24435-6 as shown in Figure 3C-
25.
10. Tighten the "C " clamp to remove the bushing.
11. Remove tools and discard old bushing.
12. Pivot shaft may now be removed if necessary.
13. Remove second bushing (leave pivot shaft in to
pilot tool) by the same method as in steps 8-12.
Bushing Installation (Fig. 3C -26)
CAUTION: See C A U TIO N on page 1 o f this
section regarding the fasteners referred to in
step 5.
1. Install new bushings as shown in Figure 3C-26
using spacer J-24435-6, installer J-24435-4 and "C "
clamp J-24435-7.
2. Turn clamp in until bushing seats firmly.
all compression is