GMC T Series 1994 Repair Manual page 713

7 CASE ASSEMBLY, COMPLETE
8 CONNECTOR, INVERTED FLARED TUBE
9 PIPE, VENT
SCREW, NAMEPLATE
10
11 NAMEPLATE
12 CUP, ORIFICE W/SEAL/PLUG-REAR LUBE (4WD)
13 SEAL ASSEMBLY, REAR LUBE
14
RING, SNAP SEAL RETAINER
15 SEAL, EXTENSION TO CASE
6. Two cooler connectors (8) for:
• Damage.
• Proper torque 35 N*m (26 lb. ft.).
7. Intermediate clutch plate lugs for:
• Damage.
8. Snap ring grooves for:
• Damage.
9. Case center support bolt hole for:
• Damage.
10. Speed sensors and brackets.
11. Pipe vent (9).
12. PWM solenoid screen (75).
13. Rear lube seal (13) and snap ring (14).
• Replace rear lube seal (13) with J 38693 if
necessary.
14. Manual shaft seal (707).
|ffi| Clean
• All components
m Important
• Use only clean solvent or cleaner. Do not
use dirty cleaner because additional sediment
could damage transmission.
707
Figure 28 Transmission Case and Extension Assembly
19 EXTENSION ASSEMBLY, CASE
20 HELIX SEAL ASSEMBLY, CASE EXTENSION
21 BOLT, HEX HD - M10 X 1.5 X 30.0
75 SCREEN, PWM SOLENOID
77 BUSHING, CASE EXTENSION
78 BUSHING, TRANSMISSION CASE
79 PLUG, DIRECT OIL GAL - .25 DIA. CUP
SEAL ASSEMBLY, MANUAL SHIFT SHAFT
REAR BAND AND SELECTIVE THRUST WASHER
Figure 29
|jy | Inspect
• Rear band (657) and selective thrust washer (674)
for:
- Wear.
- Damage.
GEAR UNIT AND OUTPUT ASSEMBLIES
Figures 30 and 31
Disassemble
m
i. Center support (640) and thrust washer (642).
2. Sun gear shaft (649).
3. Reaction drum and carrier assembly (651).
4. Thrust bearing (647), races (646 and 648) and
sun gear (650).
5. Front internal reaction carrier washer (659) and
front internal gear ring (658).
6. Snap ring (670), output shaft (671).
7. Thrust bearing (647) and races (648 and 669).
8. Rear internal gear (666) and main shaft (662).
9. Snap ring (670) from main shaft (662).
10. Main shaft (662).
11. Thrust bearing (664) and races (663 and 665).
RH0126-4L80-E