Input Clutch Assembly - GMC T Series 1994 Repair Manual

8 CASE, TRANSMISSION
658 GEAR, INPUT SUN
661 RET., OUTPUT SHAFT TO INPUT CARRIER
662 CARRIER ASSEMBLY, INPUT (COMPLETE)
Figure 50 Input Carrier and Sun Gear - Installation

Input Clutch Assembly

Figures 51 through 55
Tools Required:
J 23456 Clutch Spring Compressor Press
J 23327-1 Clutch Spring Compressor
J 2 5 0 1 8-A C lutch Spring C om pressor
Adaptor
□ Remove or Disconnect
Figures 51 and 53
• Reverse input clutch assembly (605) from the
input clutch assembly (621).
• Oil pump to selective washer thrust bearing
(615).
• Selective washer (616).
|<$»| Disassemble
Figures 52 and 53
1. Place the input clutch assembly (621) on the
bench with the turbine shaft through the bench
hole.
2. The 3-4 clutch plate retainer ring (656) and the
backing plate (655).
3. The 3-4 clutch plates (654).
4. Five 3-4 clutch boost spring assemblies (600).
5. The 3-4 clutch apply plate (653).
6. The 3-4 clutch ring retainer plate (652).
7. Forward clutch backing plate retainer ring (651)
and backing plate (650).
8. Forward clutch sprag assembly (638-648).
RH0146-4L60-E
Disassemble
Figure 53
1. Input sun gear bearing assembly (637).
2. Input housing to output shaft lip seal (636).
3. Forward clutch plates (649).
4. Forward wave plate (648).
5. Forward clutch apply plate (646).
6. Overrun clutch plates (645).
Disassemble
Figure 53
1. Install J 23456 and J 23327-1 with J 25018-A.
• Compress overrun clutch spring assembly
2. Overrun clutch retainer ring (635).
(634).