GMC 1976 ZEO 6083 Maintenance Manual page 491

Figure 45-Intermediate Clutch Snap Ring
7. Remove output flange to case metal thrust
washer from output flange or case .
8. Place gear unit assembly on bench with output
flange down, Figure 48 . Remove Tool J-21795.
9. Remove support to case spacer.
10 . Remove rear band assembly. To facilitate re-
moval , rotate band lugs away from pins and pull
band assembly out of transmission case .
11 . Remove rear unit selective washer from
transmission case .
INSPECTION OF TRANSMISSION
CASE
NOTE :
If the case assembly requires replace-
ment, make sure the center support to case
Figure 46-Center Support Snap Ring
TRANSMISSION
7- 4 3
Figure 47-Gear Unit Removal
spacer is removed from the old case and rein-
stalled in the new case . Also, remove the name-
plate from the old case and reinstall it onto the
new case, using the truss head nameplate attach-
ing screw that is serviced with the case .
1 . Inspect case assembly for cracks, porosity or
interconnected passages, Figure 5 .
2. Check for good retention of band anchor pins .
3. Inspect all threaded holes for thread damage .
(use insert to rebore threads if necessary) .
4. Inspect intermediate clutch driven plate lugs
for damage or brinelling .
5. Inspect snap ring grooves for damage .
DIRECT CLUTCH
PASSAGE
INTERMEDIATE CLUTCH
PASSAGE
REVERSE
PASSAGE
A-2172
Figure 48-Gear Unit on Bench