GMC 1976 ZEO 6083 Maintenance Manual page 155

3B- 4 DRIVE AXLES
Figure 5-Removing Upper
Ball
Joint
4. Remove tie rod end cotter pin and nut .
5. Using Tool J-24319 as shown in Figure 4,
remove tie rod end from spindle.
6. Remove bolts from drive axle assembly to left
output shaft.
7. Remove upper control arm ball joint cotter pin
and nut. Remove brake hose clip from ball joint stud .
8. Using hammer and brass drift, drive on
knuckle until ball joint stud is free. (figure 5) .
9. Using Tool J-24319 (figure 6) remove lower
ball joint from knuckle. Care must be exercised so
that ball joint doesn't damage drive axle seal .
10 . Remove knuckle. Support knuckle so that
brake hose is not damaged.
11 . Carefully guide drive axle assembly outboard .
CAUTION :
Care must be exercised so that
C. Y. joints do not turn to full extremes and
that seals are not damaged against shock
absorber or stabilizer bar .
INSTALLATION
See CAUTION on Page 1 of this section.
1 . Carefully guide L.H . Drive axle assembly onto
lower control arm .
2. Insert lower control ball joint stud into
knuckle and attach nut. Do not torque .
Figure 6-Removing Lower
Ball
Joint
3. Center L.H . drive axle assembly in opening of
knuckle and insert upper ball joint stud .
4. Place brake hose clip over upper ball joint stud
and install nut. Do not torque .
5. Insert tie rod end stud into knuckle and attach
nut. Torque to 40 ft . lbs. Install cotter pin and crimp .
Tighten nut to install cotter pin.
6. Align inner C.V . joint with output shaft and
install NEW attaching bolts. Torque to 75 ft . lbs.
7. Torque upper and lower ball joint stud nuts to
40 ft . lbs. (upper); 100 ft . lbs. (lower). Tighten nut to
install cotter pins .
CAUTION :
Upper balljoint cotter pin must
be crimped toward upper control arm to
prevent interference with outer C. V. joint
seal.
8. Install drive axle washer and nut. Torque to
200 ft . lbs. Install cotter pin and crimp. Tighten nut,
if necessary to install cotter pin.
9. Install wheel.
10 . Remove floor stands and lower hoist.