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GMC ZE06581 1976 Maintenance Manual Supplement page 33

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3A-1 4
FRONT SUSPENSION
cations at the end of this section for install-
ation procedure .
3. Install tie rod end stud into knuckle and
attach nut. Do not torque . See Specifications
at the end of this section for installation
procedure .
4. Install upper ball joint stud into knuckle .
Attach nut. See Specifications at the end of
the section for installation procedure . Attach
brake line hose clip .
5. Torque ball joint stud nut. See Specifi-
cations at the end of this section for torque
value and procedure .
Tighten to install NEW
cotter pins .
CAUTION: Cotter pin on upper ball
joint must be bent up only to prevent
interference with C. V. joint seal .
6. Torque tie rod end nut.
See Specifi-
cations at the end of this section for torque
value and procedure .
.
7 . Install disc hub assembly (refer to "Disc
and Hub -Installation").
UPPER CONTROL ARM
REMOVAL
1. Hoist vehicle and remove wheel.
Place
floor stand on each side, under and firmly
against the lower control arm.
2. Remove upper shock absorber attaching
bolt .
3. Remove cotter pin and nut from upper
ball joint .
4. Disconnect brake hose clip from ball
joint stud .
Figure 14-Upper Control Arm Attachment
5. Using hammer and a drift (figure 11),
drive on spindle until upper ball joint stud is
disengaged from knuckle .
6. Remove
upper
control
arm
cams,
washers and nuts. Remove control arm from
vehicle by guiding shock absorber through
access hole .
NOTE:
While cam is removed check cam
adjustment surface of bracket for weld
splatter .
Weld splatter in this area will
affect front end alignment.
Remove weld
splatter before reassembly .
INSTALLATION
See CAUTION on Page 3A-1
of
this section .
1 . Guide upper control arm over shock
absorber and install bushing end of control arm
into frame bracket .
2 . Install cams as shown in figure 1.
3. Install washers and nuts .
Torque nuts .
See Specifications at the end of this section
for torque values.
4. Install ball joint stud into knuckle . See
Specifications at the end of this section for
installation procedure .
5. Install brake hose clip on ball joint stud .
6 . Install ball joint stud nut .
Torque nut.
See Specifications at the end of this section
for torque value and procedure .
CAUTION: Cotter pin must be crimped
toward upper control arm to prevent
interference with outer C . V. joint seal .
7 . Install upper shock attaching bolt and
nut. Torque nut. See Specifications at the end
of this section for torque value .
8. Replace wheel and secure with eight nuts
on
studs .
Refer to Maintenance Manual X-
7525, Sec. 10, for torque values and tightening
sequence.
9 . Remove floor stands and lower hoist .
10 . Check camber, caster and toe-in and
adjust if necessary.
Refer to FRONT END
ALIGNMENT (Sec . 3A), Maintenance Manual
X-7525 .
UPPER CONTROL ARM BUSHING
Upper control arm bushings can be removed
and installed while control arm is installed on
vehicle .

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