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21 - 74
AUTOMATIC TRANSMISSION
LINE PRESSURE
ADJUSTMENT
Measure distance from the valve body t o the i n n e r
edge of the adjusting screw w i t h a n accurate steel
scale (Fig. 5).
Distance should be 33.4 m m (1-5/16 inch).
I f adjustment is required, t u r n t h e adjusting screw
i n , or out, to obtain required distance setting.
T h e 33.4 m m (1-5/16 i n c h ) s e t t i n g i s a n a p p r o x -
i m a t e s e t t i n g . B e c a u s e o f m a n u f a c t u r i n g t o l e r -
ances, i t m a y b e n e c e s s a r y
t o v a r y
from
t h i s
d i m e n s i o n t o o b t a i n d e s i r e d p r e s s u r e . O n e c o m -
p l e t e t u r n o f t h e a d j u s t i n g s c r e w c h a n g e s l i n e
p r e s s u r e a p p r o x i m a t e l y 9 k P a (1-2/3 p s i ) . T u r n -
i n g
t h e a d j u s t i n g s c r e w
c o u n t e r c l o c k w i s e i n -
creases
p r e s s u r e
w h i l e
t u r n i n g
t h e
s c r e w
c l o c k w i s e decreases p r e s s u r e .
+
THROTTLE
PRESSURE
ADJUSTMENT
I n s e r t gauge tool C-3763 between the t h r o t t l e lever
cam a n d k i c k d o w n valve (Fig. 6).
Push the gauge tool i n w a r d t o compress the k i c k -
down valve against the s p r i n g and bottom the t h r o t -
tle valve.
M a i n t a i n pressure against k i c k d o w n valve spring.
T u r n t h r o t t l e lever stop screw u n t i l the screw head
touches t h r o t t l e lever t a n g and the t h r o t t l e lever cam
touches gauge tool.
T h e k i c k d o w n v a l v e s p r i n g m u s t be fully c o m -
p r e s s e d a n d the k i c k d o w n v a l v e completely bot-
tomed to obtain c o r r e c t adjustment.
Fig. 6 Throttle Pressure Adjustment
Fig. 5 Line Pressure Adjustment
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