GMC 1976 ZEO 6083 Maintenance Manual page 156

CONSTANT VELOCITY JOINT
(C.V. JOINT OUT OF VEHICLE)
The C. V. joints are to be replaced as a unit and
are only disassembled for repacking and replacement
of damaged seals.
DISASSEMBLY (OUTER C.V . JOINT)
1 . Refer to "DRIVE AXLE ASSEMBLY (LEFT
HAND) OR (RIGHT HAND) ."
2. Insert axle assembly in vise . Clamp on mid-
portion of axle shaft.
NOTE : Protect against jaw marks, do not over-
clamp.
3. Remove inner and outer seal clamps . (figure 7)
4. Slide seal down axle shaft to gain access to
C .V . joint.
NOTE : Seal may need to be rolled back or cut
away on R.H . drive axle .
5 . Using Tool J-5586, spread retaining ring until
C.V . joint can be removed from axle spline . (figure
8)
6. Remove retaining ring (figure 20).
7. Slide seal from axle shaft and discard.
8. Remove excess grease from C.V . joint.
9. Insert C.V. joint in vise, clamping on shank.
Figure 7-Cutting Seal Clamp
DRIVE AXLES
3B- 5
Figure 8-Spreading Retaining Ring
Figure 9-Tapping on Inner Race
NOTE : Use jaw blocks to prevent damage to the
joint shank.
10 . Carefully place a brass drift against one of the
lobes of the inner race and tap gently as shown in
Figure 9. Tip the race far enough to remove the first
ball . The rest of the balls should be removed one at
a time, with the cage tipped as shown in Figure 10 .
It may be necessary to carefully pry the last ball out
of the cage with a screwdriver.
11 . Turn cage 90° and with slot in cage aligned
with land in outer race lift out inner race and cage .
(figure 11).
12 . While holding cage and inner race, turn inner
race 90°. Line up short land of inner race with slot
in cage . Move short land through cage and turn inner
race up and out of cage . (figure 12)