Front Gear Parts; Rem Oval - Chevrolet 1980 Light Duty Truck Repair Manual

Figure 7A 1-30 Installing Tools on Rear End of Case
c. R em ove pump to case bolt and washer and install
278mm (11") long bolt and locking nut as shown. (Figure
7A1-32).
d. Push turbine shaft downward.
e. Install J-25022 on J-24773 tool and secure on end o f
turbine shaft. (Figure 7A1-32).
f. M ount dial indicator and clamp assembly on bolt,
positioning indicator point against cap nut o f J-24773.
(Figure 7A 1-32).
g. M ove output shaft upward by turning the adjusting
screw on J-25013-5 until the white or scribed line on sleeve
J-25013-1 begins to disappear (Figure 7A 1-30), then set dial
indicator to zero.
h. Pull J-24773 on turbine shaft upward and read end
play. Front unit end play should be 0.56m m -1.30m m
(.022"-.051").
NOTICE:
Selective washer controlling this end play is
located between the output shaft and turbine shaft. If
more or less washer thickness is required to bring end
play within specifications, select proper washer from
the follow ing chart.
F R O N T U N I T E N D P L A Y
W A S H E R T H IC K N E S S C H A R T
T H IC K N E S S
1 .6 6 -1 .7 7 m m ( 0 .0 6 5 ' - 0 .0 7 0 " )
1 .7 9 -1 .9 0 m m ( 0 .0 7 0 ' - 0 .0 7 5 " )
1 .9 2 - 2 .0 3 m m ( 0 .0 7 6 ' - 0 .0 8 0 " )
2 .0 5 - 2 .1 6 m m ( 0 .0 8 1 ' - 0 .0 8 5 " )
2 .1 8 2 .2 9 m m (0 .0 8 6 " 0 .0 9 0 " )
2 .3 1 - 2 .4 2 m m ( 0 .0 9 1 ' - 0 .0 9 5 " )
2 .4 4 - 2 .5 5 m m ( 0 .0 9 6 ' - 0 .1 0 0 " )
2 .5 7 - 2 .6 8 m m ( 0 .1 0 1 ' - 0 .1 0 6 " )
2 .7 0 -2 .8 1 m m ( 0 .1 0 6 ' - 0 .1 1 1 " )
2 .8 3 - 2 .9 4 m m ( 0 .1 1 1 ' - 0 .1 1 6 " )
2 .9 6 - 3 .0 7 m m ( 0 .1 1 7 ' - 0 .1 2 1 " )
3 .0 9 - 3 .2 0 m m
( 0 .1 2 2 ' - 0 .1 2 6 " )
3 .2 2 - 3 .3 3 m m (0 .1 2 7 ' - 0 .1 3 1 " )
3 .3 5 - 3 .4 6 m m ( 0 .1 3 2 ' - 0 .1 3 6 " )
3 .4 8 -3 .5 9 m m ( 0 .1 3 7 ' - 0 .1 4 1 " )
Figure 7A1-31 Front Unit End Play Washer Thickness Chart
1. R em ove dial indicator, clamp assembly, J-24773 and
J-25022. (Figure 7A 1-32).
j. D o not remove J-25013-5 or J-25013-1.
2. Pump:
a. If necessary rem ove pump oil seal and discard.
(Figure 7A1-33).
b. R em ove remaining pump to case bolts and washers;
discard washers.
J -2 5 0 1 3 -5
607C 28
to case gasket and discard gasket. (Figure 7A 1-34).
I D E N T I F I C A T I O N
N u m b e r a n d /o r C o lo r
_
1
-
2
clutch assemblies. (Figure 7A 1-35).
—
3 B lack
4 L ig h t G reen
5 - S c a rlet assembly.
6
Purple
7 - C ocoa B ro w n
8
O range
9 Y e llo w
10
- L ig h t B lue
11
-
—
12
- —
1 3 - P in k
1 4 - G reen
1 5 - G ra y 9 0 7 A 4
36).

FRONT GEAR PARTS

Rem oval

washer. (Figure 7A 1-39).
AUTOMATIC TRANSMISSION (200) 7A1-7
OIAL INDICATOR
J 8001 OR
J 26900 12
Figure 7A 1-32 Checking Front Unit End Play
Figure 7A 1-33 - Removing Pump Seal
c. U sing J-24773 tool, rem ove pump assembly, pump
3. Forward and D irect Clutch:
a. Grasp turbine shaft and rem ove direct and forward
b. Lift direct clutch assembly o ff forward clutch
NOTICE:
The direct-to-forward clutch thrust washer
may stick to the end o f the direct clutch housing when
it is removed from the forward clutch housing.
4. R em ove interm ediate band assembly. (Figure 7A 1-
5. R em ove band anchor pin. (Figure 7A 1-37).
1. R em ove output shaft to turbine shaft front selective
NOTICE:
This washer may be stuck to the end o f the
turbine shaft.