GMC 1976 ZEO 6083 Maintenance Manual page 170

Figure 14-Installing L.H . Output Shaft Seal
final drive assembly, indexing splines of output shaft
with splines in side gear .
3. Install L.H. output shaft retaining bolt and
torque to 45 ft. lbs. (figure 12)
4. Install L.H. drive axle . Refer to Section 313,
DRIVE AXLE ASSEMBLY (LEFT HAND), Steps
1 through 10 under INSTALLATION .
TRANSMISSION FILLER TUBE
REMOVAL AND INSTALLATION
The automatic transmission filler tube is located
on the final drive. The filler tube can be removed by
removing bolt "A", Figure 12 and then pulling the
filler tube out of the housing. To install, position a
new "O" ring seal on the filler tube. Coat seal with
Special Seal Lubricant No. 1050169 or equivalent
and install filler tube into housing. Install bolt "A"
and torque to 25 ft. lbs.
REMOVAL
FINAL DRIVE
1 . Disconnect battery.
2. Hoist vehicle.
3. Remove bolts "A", "B", and "C" . (Figure 12)
FINAL DRIVE
3C- 7
Figure 15-Disconnecting Final Drive From Engine
4. Disconnect right and left drive axles from the
output shafts .
5. Move R.H. Drive axle rearward until R.H .
output shaft is clear to be removed from final drive .
6. Disconnect R.H. output shaft support from
engine (figure 4) and remove from final drive.
7 . Remove bolt "X" and "Y" and loosen "Z".
(figure 15)
8. Remove final drive cover and allow lubricant
to drain.
9. Position transmission jack with adapter for
final drive as shown in Figure 16. Install an anchor
bolt through final drive housing and lift pad.
NOTE:
Adapters for removing final drive assem-
blies are available from most transmission jack
manufacturers.
10. Remove bolts "E", "F" and "G" and nut
"H" (figure 12).
11 . Move transmission lift toward front of vehicle
to disengage final drive splines from transmission .
NOTE :
As the final drive is disengaged from
transmission, some transmission fluid will be
lost . Provide a container to prevent oil from run-
ning on floor.