GMC T Series 1994 Repair Manual page 657

600 SPRING A S M ., 3-4 CLUTCH BOOST (5)
619 RING, OIL SEAL (SOLID)
620
RETAINER AND CHECKBALL ASSEMBLY
621
HO USING A ND SHAFT ASSEMBLY, INPUT
622 SEAL, O-RING INPUT TO FORWARD HSG.
623
PISTON, 3RD A N D 4TH CLUTCH
624 SEAL, 3RD A N D 4TH CL. (INNER A N D OUTER)
625 RING, 3RD AND 4TH CLUTCH (APPLY)
626 SPRING ASSEMBLY, 3RD A ND 4TH CLUTCH
628 H O U SING , FORWARD CLUTCH
629 SEAL, FORWARD CLUTCH (INNER A ND OUTER)
630 PISTON, FORWARD CLUTCH
631 SEAL, OVERRUN CLUTCH (INNER AN D OUTER)
632 PISTON, OVERRUN CLUTCH
634 SPRING ASSEMBLY, OVERRUN CLUTCH
635 SNAP RING, OVERRUN CLUTCH SPRING RETAINER
636 SEAL, INPUT HOUSING TO O UTPUT SHAFT
637 BEARING ASSEMBLY, INPUT SUN GEAR
638 SNAP RING, OVERRUN CL. HUB RETAINING
639 HUB, OVERRUN CLUTCH
Reverse Input Clutch Assembly
Figures 78 through 83
Tools Required:
J 23327-1 Clutch Spring Compressor
J 25018-A C lutch Spring Com pressor
Adaptor
|<$»| Disassemble
Figures 78 and 79
1. Retaining ring (614)
housing.
Figure 77 Input Clutch Assembly
from reverse input
641 RETAINER AND RACE ASSEMBLY, SPRAG
642
FORWARD SPRAG ASSEMBLY
643
RETAINER RINGS, SPRAG ASSEMBLY
644 RACE, FORWARD CLUTCH (OUTER)
645A PLATE ASSEMBLY, OVERRUN CLUTCH (STEEL)
645B PLATE, OVERRUN CLUTCH (FIBER)
646 PLATE, FORWARD CLUTCH (APPLY)
648 PLATE, FORWARD CLUTCH (WAVED)
649A PLATE ASSEMBLY, FORWARD CLUTCH (STEEL)
649B PLATE, FORWARD CLUTCH (FIBER)
650 PLATE, FORWARD CLUTCH BACKING (SEL.)
651 RING, FORWARD CLUTCH BACKING PLATE RETAINER
653 PLATE, 3RD A ND 4TH CLUTCH APPLY (STEPPED)
654A PLATE ASSEMBLY, 3RD A N D 4TH CLUTCH (FIBER)
654B PLATE, 3RD A ND 4TH CLUTCH (STEEL)
655 PLATE, 3RD A ND 4TH CLUTCH BACKING (SEL)
656 RING, 3RD AND 4TH CLUTCH BACKING PLATE
RETAINER
2. Backing plate (613).
3. Clutch plates (612) and Belleville steel plate
(611).
4. Install J 23327-1 and J 25018-A.
• Compress the spring assembly.
5. Spring assembly retainer ring (610) and spring
assembly (609).
6. Reverse input clutch piston (607).
• Inner and outer lip seals (608).
RH0172-4L60-E-R1