Front Internal Gear And Thrust W Asher; Rear Selective Thrust W Asher - Chevrolet 1980 Light Duty Truck Repair Manual

4. Thoroughly plean, air dry and inspect closely, front
carrier to front internal gear roller thrust bearing assembly
for pitted or rough conditions.
Reassembly
1. Install front carrier to front internal gear roller thrust
bearing assem bly by placing the sm aller diameter race
against carrier. Retain with petrolatum. (Figure 7A 1-105).
2. Install front carrier and thrust bearing assembly.
(Figure 7A 1-107).

Front Internal Gear and Thrust W asher

(Figure 7A 1-106)
1. Inspect forward clutch hub for worn splines and for
lubrication holes.
2. Inspect internal gear for cracks or damage.
3. Inspect gear teeth for excessive wear or damage.
4. Inspect bushing for damage or scoring.
5. Inspect thrust washer, front internal gear to selective
washer for scoring or damage.
6. Install thrust washer on front internal gear and retain
with petrolatum. (Figure 7 A 1-106).
7. Install front internal gear and thrust washer. (Figure
7 A 1-106).

Rear Selective Thrust W asher

1. Inspect selective washer for scoring or damage.
(Figure 7A 1-106).
The rear selective thrust washer must be installed with
the identification number
transmission.
2. Install rear selective washer. (Figure 7A 1-106).
3. Inspect output shaft to selective thrust washer snap
ring for damage or distortion.
NOTICE:
The rear selective thrust washer m ust be
installed with the identification number toward the
front o f the transmission.
ID E N T IF IC A T IO N
Figure 7A 1 -101 Front Sun Gear Identification
M ove output shaft upward by turning the adjusting
screw on J-25013-5 to install output shaft to selective washer
snap ring.
4. Install snap ring on output shaft. (Figure 7A 1-106).
toward the front o f the
AUTOMATIC TRANSMISSION (200) 7A1-23
Figure 7A 1-102 Installing Front Sun Gear
Figure 7A 1-103 Installing Thrust Bearing Assembly Against
Front Sun Gear
F R O N T C A R R I E R
Figure 7A1-104 Checking Front Carrier Pinion End Play
FRONT SUN
RING &
RACE ASSEMBLY
(NEEDLE BEARING S
AG AINST GEAR)
6 0 7 C 9 3
FEELER
GAGE
6 07 C 94