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21 - 124
AUTOMATIC TRANSMISSION
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Check condition o f t h e a n n u l u s gear, s l i d i n g h u b ,
clutch d r u m and clutch s p r i n g (Fig. 31). Replace t h e
spring i f collapsed, distorted, or cracked. Be sure the
splines a n d lugs on the gear, d r u m and h u b are i n
good condition. The clutch plates a n d discs should
slide freely i n and on these components.
Inspect the t h r u s t bearings and plate (Fig. 31). Re-
place t h e plate i f w o r n or scored, replace the bearings
i f r o u g h , noisy, brinneled, or w o r n .
Inspect t h e planetery gear assembly and t h e sun
gear a n d bushings (Fig. 31). I f either the sun gear or
the bushings are damaged, replace t h e gear a n d
bushings as a n assembly. The gear and bushings are
not serviced separately. The p l a n e t a r y carrier a n d
pinions m u s t be i n good condition. Also be sure t h e
p i n i o n pins are secure and i n good condition.
Inspect the o v e r r u n n i n g clutch and race (Fig. 31).
The race surface should be smooth and free o f scores.
Replace t h e o v e r r u n n i n g clutch assembly or the race
i f either assembly is w o r n or damaged i n any way.
Inspect the output shaft and governor components
(Fig. 32). Replace the shaft p i l o t b u s h i n g and i n n e r
b u s h i n g i f damaged. Replace either shaft b e a r i n g i f
rough or noisy. Replace the b e a r i n g snap rings i f dis-
torted o r cracked.
Check t h e machined surfaces o n the o u t p u t shaft.
These surfaces should be clean a n d smooth. V e r y m i -
nor nicks or scratches can be smoothed w i t h crocus
cloth. Replace t h e shaft i f w o r n , scored or damaged
i n any way.
Check condition o f the governor components. Re-
place the governor drive seal r i n g s i f damaged. Also
be sure the seal r i n g grooves are i n good condition.
Check operation o f t h e governor valve, weights and
shaft. The valves a n d weights should slide freely i n
t h e governor body (Fig. 32).
Inspect t h e governor o i l pressure tubes (Fig. 32).
The tubes m u s t not be pinched, k i n k e d , collapsed, or
distorted. Blow t h e m out w i t h compressed a i r to be
sure they are clear. T h e tubes are designed to be a
slip f i t . Do not modify the tube ends i n a n effort to
make t h e m f i t t i g h t e r .
Check condition o f the governor valve a n d weight
snap rings. Replace any snap r i n g t h a t appears bent
or distorted. Replace any snap r i n g i f i t s condition is
doubtful.
OVERDRIVE GEARTRAIN ASSEMBLY AND
ADJUSTMENT
(1) D u r i n g assembly operations, lubricate t h e over-
drive components w i t h Mopar A T F Plus, Type 7176
transmission f l u i d . T h e clutch discs can be immersed
GOVERNOR
PRESURE
SNAP RING
OUTPUT SHAFT
BUSHING
BUSHING
KEY
SHAFT
J9021-86
Fig. 32 Output Shaft And Governor
Components
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