Reaction S Haft - GMC T Series 1994 Repair Manual

Reaction Sun Gear and Shell
Figure 45
[jy|
Inspect
• Reaction sun gear (673) for:
- Nicked, scored, or worn bushing (See
Bushing Replacement).
- Damaged spline or teeth.
- Loose or w eak retaining ring (do not
remove this ring, except to replace it.).
• Reaction sun shell (670) for:
- Stripped or worn splines.
- Broken hub.
- Bent tangs.
• Lo and reverse inner race to reaction sun gear
shell thrust washer (674) for wear or damage.
• Reaction shaft to reaction sun gear shell bronze
thrust washer (669) for wear or damage.
E3
Install or Connect
Figure 45
1. Reaction sun gear retainer ring (671) onto the
reaction sun gear, if previously removed.
2. Reaction sun gear (673) into the reaction carrier.
• Index the teeth with the pinion gears.
3. Thrust washer (674) onto the lo and reverse
support inner race.
• Index the four locating ears into the inner
race.
4. Reaction sun gear shell (670) onto the reaction
sun gear.
5. Bronze thrust washer (669) onto the reaction
sun gear shell.
• Index tangs into the shell.
Input Internal Gear and Reaction Shaft
Figures 46 and 47
E Remove or Disconnect
Figure 46
1. Retainer ring (668) from input internal gear
(664).
2. Reaction carrier shaft (666) from the input
internal gear.
8 CAST, TR A NSM ISSIO N
669 WASHER, THRUST (REACTION SHAFT/SHELL)
670 SHELL, REACTION SUN
671 RING, REACTION SUN GEAR RETAINER
673 GEAR, REACTION SUN
674 WASHER, THRUST (RACE/REACTION SHELL)
675 RACE, LO A ND REVERSE ROLLER CLUTCH
676 RING, LO A N D REVERSE SUPPORT TO CASE RETAINER
Figure 45 Reaction Sun Gear and Shell Installation
| y | Inspect
F ig u res 4 6 a n d 4 7
• Reaction carrier shaft (666) for:
- Scored, damaged, or worn bushings (see
Bushing Replacement).
- Cracked shaft.
- Damaged spline or gear teeth.
- U nder cut aro u n d the
interference with the sun gear.
RH0142-4L60-E
sh aft from