GMC 1976 ZEO 6083 Maintenance Manual page 141

3A- 1 2 FRONT SUSPENSION
Figure 13-Removing Upper Ball Joint
2 . Remove upper ball joint cotter pin and nut.
3. Remove brake line hose clip from ball joint
stud .
NOTE: Do not loosen ball joint stud .
4. Using a brass drift and hammer, Figure 13,
loosen upper ball joint stud .
5 . Remove cotter pin and nut from tie rod end.
6. Using Tool J-21319 remove tie rod end as
shown in Figure 14 .
Figure 14-Removing Tie Rod End
Figure 15-Removing Lower Ball Joint
7. Remove cotter pin and nut from lower ball
joint.
8. Using Tool J-24319, remove lower ball joint
from knuckle (figure 15).
9. Remove knuckle. Pry seal from knuckle.
INSTALLATION
See CAUTION on Page 3A-1 of this section.
1 . Using Tool J-23115 install seal into knuckle.
2 . Install lower ball joint stud into knuckle and
attach nut. Do not torque .
3. Install tie rod end stud into knuckle and attach
nut. Do not torque .
4. Install upper ball joint stud into knuckle and
attach brake line hose clip . Install nut.
5. Torque ball joint nut to a minimum or 40 ft .
lbs. (upper), 100 ft . lbs. (lower). 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 specifications for
torque value and procedure.