Dodge D150 1990 Service Manual page 930

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AUTOMATIC TRANSMISSION 21 - 79
(7) I n s t a l l t h e weight assembly i n t h e governor
body and i n s t a l l the r e t a i n i n g snap r i n g (Fig. 11).
(8) Place t h e governor valve on t h e valve shaft a n d
insert valve an<d shaft i n the body and t h r o u g h t h e
governor weights and o u t p u t shaft.
(9) Secure t h e valve shaft w i t h t h e s m a l l snap r i n g .
(10) I n s t a l l t h e o u t p u t shaft bearing a n d extension
housing as described i n t h i s section.
PARKING LOCK COMPONENTS
PARKING LOCK COMPONENT REMOVAL
(1) Remove t h e extension housing as described i n
t h i s section.
(2) Slide the sprag shaft out of t h e extension hous-
i n g and remove the p a r k i n g sprag and s p r i n g (Fig.
12).
(3) Remove t h e snap r i n g and slide t h e reaction
p l u g and p i n assembly out o f the housing.
(4) To replace the p a r k i n g lock control r o d , refer t o
V a l v e Body Removal and I n s t a l l a t i o n .
Fig. 12 Parking Lock Components
COMPONENT INSPECTION
Inspect t h e sprag shaft for scores and free move-
ment i n the housing and sprag. Inspect t h e sprag and
control rod springs for distortion and loss o f tension.
Inspect the square l u g on the sprag for b r o k e n edges.
Check the lugs on the p a r k gear for damage. Inspect
the b a l l on t h e end of the control rod for nicks a n d
burrs. Also be sure the b a l l rotates freely.
PARKING LOCK COMPONENT INSTALLATION
(1) I n s t a l l t h e reaction p l u g and p i n assembly i n
the housing a n d secure w i t h a new snap r i n g (Fig.
12).
(2) Position t h e sprag and spring i n t h e housing
and insert the sprag shaft. M a k e sure the square l u g
on t h e sprag i s t o w a r d the p a r k gear. Also be sure
the s p r i n g is positioned so i t moves the sprag away
from t h e gear.
(3) Replace t h e p a r k i n g lock control rod i f neces-
sary.,
(4) I n s t a l l t h e extension housing as described i n
t h i s section.
VALVE BODY REMOVAL
(1) Raise the vehicle.
(2) Remove the o i l pan and d r a i n t h e fluid.
(3) Loosen the clamp bolts and remove the t h r o t t l e
and m a n u a l valve levers f r o m t h e m a n u a l valve
shaft.
(4) Remove t h e n e u t r a l s t a r t a n d backup l a m p
switch (Fig. 4).
(5) Remove the filter from the valve body.
(6) Remove the valve body a t t a c h i n g screws.
(7) Lower a n d remove t h e valve body. P u l l t h e
valve body forward t o disengage t h e p a r k lock r o d
and remove valve body. I f necessary, rotate t h e pro-
peller shaft so the p a r k lock r o d w i l l clear the sprag.
(8) Remove the accumulator piston and spring from
the transmission case (Fig. 13).
FRONT/REAR SERVO
The front and rear servos are accessible and can be
Fig. 13 Accumulator Piston And Spring
serviced after valve body removal. Refer to the servo
overhaul procedures i n t h e Transmission O v e r h a u l
section
VALVE BODY DISASSEMBLY
CAUTION: Tag all valve body springs for reference
as they are removed. Do not clamp any part of the
valve body in a vise. This practice will distort the
valve body and transfer plate and result in valve
bind. When removing the valves and plugs, slide
them out carefully. Do not use force at any time.
The valves and valve body will both be damaged if
force is used.
TRANSFER PLATE/CHECK BALL REMOVAL
(1) M o u n t valve body on repair stand (Fig. 14).
(2) Remove lock r o d E-clip (Fig. 12) and remove
p a r k lock rod f r o m valve body.
(3) Remove top and bottom screws f r o m s p r i n g re-
t a i n e r a n d adjusting screw bracket ( F i g . 15).Hold
spring retainer firmly against spring force w h i l e re-
m o v i n g last screw.
(4) Remove spring retainer and bracket and l i n e
pressure adjusting screw assembly. D o n o t d i s t u r b
a d j u s t i n g s c r e w s e t t i n g s .