Rear Gear Parts; Output Shaft - Chevrolet 1980 Light Duty Truck Repair Manual

7A1-14 AUTOMATIC TRANSMISSION (200)
D IR E C T CLU TCH
R E V E R S E
LUTCH
E X H A U ST jgj
IIRIVE^K
L IN E BOOST
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:R E V E R S E
BO O ST
P A R T
T H R O T T L E
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.C L U T C H
f T V E X H A U S T
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3RD. ACCUM.
CH EC K V A L V E
A SSY.
LIN E REVERSE D R IV E
CASE
V ENT
Figure 7A 1-63 Oil Passages - Front of Case

REAR GEAR PARTS

Output Shaft (Figure 7A1-71)
NOTICE:
The service output shaft has one speedom eter
drive gear clip hole at the front speedom eter gear
location which is about 6.3mm (1 /4 " ) diameter and
opposite this hole is another clip hole which is about
4.0m m (5/32" ). The shaft also has the sam e size holes
at the rear speedom eter gear location.
EXHAUST
S E R V O E X H A U S T S H IF T TV
Figure 7A 1-62 Oil Passages - Bottom of Case
PUMP IN T A K E
E BOOST
D IR ECT
h
CLUTCH
FROM COOLER
TO COOLER
w -
9B7A18
IN T E R M E D IA T E
BOOST
IN T E R M E D IA T E
i - j a m
H P ^ £ 3 I E X H A U S T
j e x
LO & R E V
iCLU TCH
G O V E R M O R
G O V E R N O R P R E S S U R E
SW ITCH
/
1 2 A C C U M U L A T O R
/
IN T E R M E D IA T E -----
BOOST
D IR E C T
CLU TCH
Figure 7A 1-64 Installing Rear Oil Seal
1. Inspect journals and snap ring grooves for wear or
damage.
2. Inspect lubrication passages for being plugged or
damaged.
3. Inspect splines for damage.
4. Inspect governor drive gear for rough or damaged
teeth.
5. Inspect speedom eter drive gear for rough or damaged
teeth and also the clip for damage.
J -2 1 4 2 6
R E A R O IL
S E A L
607C 65