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AUTOMATIC TRANSMISSION
21 - 71
M A I N T E N A N C E A N D A D J U S T M E N T S
INDEX
Page
Fluid And Filter Change
71
Fluid And Filter Replacement
71
Fluid Level Check
71
Front (Kickdown) Band Adjustment
72
FLUID LEVEL CHECK
Transmission fluid level should be checked a t least
twice a year under n o r m a l operation. I f t h e vehicle is
used for t r a i l e r t o w i n g or heavy load h a u l i n g , check
f l u i d level a n d c o n d i t i o n four o r more times each
year.
FLUID CHECK
PROCEDURE
(1) Position the vehicle on a level surface. This is
necessary for a n accurate check.
(2) Start and r u n t h e engine a t curb idle speed.
(3) Shift t h e transmission i n t o N e u t r a l a n d apply
the p a r k i n g brakes.
(4) Clean the top o f the f i l l e r tube and dipstick to
keep d i r t f r o m e n t e r i n g the tube.
(5) F l u i d level should be:
(a)
Between
t h e " A D D " a n d " M A X I M U M
L E V E L H O T " m a r k s w h e n t h e f l u i d i s a t normal
operating temperature of approximately 180° F (82°
C).
(b) Between t h e two dimples on the dipstick i f
fluid is o n l y w a r m (85°-125°F).
FLUID AND FILTER CHANGE
NORMAL CHANGE
INTERVAL
The
fluid
a n d filter should be changed (and t h e
bands adjusted) a t recommended maintenance inter-
vals, or whenever t h e transmission has been disas-
sembled for any reason.
Refer t o t h e D r i v e l i n e section i n L u b r i c a t i o n and
Maintenance Group O a t the f r o n t o f t h i s m a n u a l for
recommended change i n t e r v a l s . Refer to t h e
fluid/fil-
ter replacement a n d band adjustment procedures i n
this section.
SEVERE
USAGE
CHANGE
INTERVAL
Under severe usage, the fluid and f i l t e r should be
changed a n d the bands adjusted a t 12,000 m i l e (19
000 K m ) i n t e r v a l s .
Severe usage is defined as:
(a) More t h a n h a l f o f vehicle operation occurs
i n heavy city traffic d u r i n g h o t weather (above 90°
F).
Page
Gearshift Linkage Adjustment
. . . . . . . . . . . . . . . .
71
Rear (Low-Reverse) Band Adjustment
72
Throttle Linkage Adjustment
. . . . . . . . . . . . . . . . .
72
Valve Body Control Pressure Adjustments
. . . . . .
73
(b) Vehicle is used for T a x i , Police, Limousine,
or s i m i l i a r commercial operations.
(c) Vehicle is used for t r a i l e r t o w i n g or heavy
load h a u l i n g .
W h e n t h e factory
fluid
is drained, r e f i l l t h e
transmission w i t h Mopar A T F Plus, type 7176, o r
Dexron II™ automatic transmission fluid.
FLUID AND FILTER REPLACEMENT
(1) Raise, the vehicle.
(2) Remove the o i l pan and d r a i n the
fluid.
(3) Remove the three filter screws and remove t h e
filter.
(4) Position the new filter o n the valve body a n d
i n s t a l l t h e f i l t e r screws finger t i g h t .
(5) T i g h t e n the filter screws to 35 in-lbs (4 N»m)
w i t h a torque wrench.
(6) Position a new gasket on the o i l pan and i n s t a l l
the p a n o n t h e transmission. T i g h t e n pan bolts t o
150 in-lbs (17 N n n ) torque.
(7) Lower t h e vehicle and r e f i l l t h e transmission
w i t h Mopar A T F Plus type 7176, or Dexron II™
fluid.
GEARSHIFT LINKAGE ADJUSTMENT
Check l i n k a g e adjustment b y s t a r t i n g t h e engine
i n P a r k a n d N e u t r a l . Adjustment is O K i f the engine
starts only i n p a r k and N e u t r a l . Adjustment is incor-
rect i f the engine starts i n one b u t not both positions.
I f the engine starts i n any position other t h a n P a r k
or N e u t r a l , or i f the engine w i l l not start a t a l l , t h e
n e u t r a l s w i t c h may be faulty.
LINKAGE
ADJUSTMENT
PROCEDURE
D o n o t a t t e m p t l i n k a g e a d j u s t m e n t i f a n y c o m -
p o n e n t s a r e w o r n o r d a m a g e d . I n a d d i t i o n , i f e i -
t h e r
l i n k a g e
r o d m u s t b e d i s c o n n e c t e d , t h e
p l a s t i c g r o m m e t s e c u r i n g t h e r o d i n t h e l e v e r
m u s t b e r e p l a c e d . D i s c o n n e c t t h e r o d w i t h a p r y
t o o l . P r y o n l y w h e r e t h e g r o m m e t a n d r o d a t -
t a c h a n d n o t o n t h e r o d itself. T h e n c u t a w a y t h e
o l d g r o m m e t . U s e p l i e r s t o s n a p t h e n e w g r o m -
m e t i n t o t h e l e v e r a n d t o s n a p t h e r o d i n t o t h e
g r o m m e t .
(1) Shift the transmission into Park.
(2) Raise t h e vehicle.
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