Dodge D150 1990 Service Manual page 865

Rear wheel drive ram truck
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21 - 14
MANUAL TRANSMISSION
(2) A l i g n p i n i o n and mainshaft and push or t a p
p i n i o n i n t o place. I f mainshaft is properly seated i n
p i n i o n r o l l e r bearings, p i n i o n bearing outer snap r i n g
w i l l seat f l u s h w i t h front face of transmission case. I f
components are misaligned, check t o see i f a s t r u t ,
p i n i o n r o l l e r , or stop r i n g is out o f position.
(3) H o l d countershaft gear i n place a n d t u r n t r a n s -
mission upside down.
(4) L o w e r countershaft gear u n t i l gear teeth mesh
w i t h d r i v e p i n i o n gear and mainshaft gears. M a k e
s u r e c o u n t e r s h a f t g e a r t h r u s t w a s h e r s a m i b e a r -
i n g s p a c e r s a r e s t i l l i n p o s i t i o n o n a r b o r t o o l .
(5) Rotate countershaft gear t h r u s t washers u n t i l
washer tangs are aligned w i t h slots i n case.
(6) S t a r t countershaft into bore a t rear o f case.
T h e n p u s h shaft f o r w a r d u n t i l shaft is approximately
h a l f way i n t o case and gear.
(7) I n s t a l l woodruff key. i n countershaft and push
shaft a l l w a y i n t o gear and case. B e sure shaft i s
flush w i t h rear of case face. Remove arbor tool after
shaft i n s t a l l a t i o n .
(8) Remove h o l d i n g bolt and rotate extension hous-
i n g i n t o proper a l i g n m e n t w i t h the case.
(9) I n s t a l l and t i g h t e n extension housing bolts t o
68 N n n (50 ft-lbs) torque.
(10) Rotate transmission assembly to n p r m a l . posi-
t i o n .
(11) I n s t a l l bearing retainer and new gasket. Coat
threads o f r e t a i n e r bolts w i t h sealing compound be-
fore i n s t a l l a t i o n . Then i n s t a l l and t i g h t e n bolts t o 4 1
N n n (30 ft-lbs) torque.
(12) I n s t a l l n e w expansion p l u g i n countershaft
bore a t f r o n t o f case.
GEARSHIFT
HOUSING ASSEMBLY
AND
INSTALLATION
(FIGS. 22 AND 23)
(1) I n s t a l l interlock levers on pivot p i n and secure
w i t h E-clip (Fig. 22).
(2) I n s t a l l interlock spring on levers w i t h pliers
(Fig. 23).
(3) L u b r i c a t e shift lever shafts, reverse lever and
new shaft o i l seals w i t h petroleum j e l l y .
(4) I n s t a l l shift lever shafts and reverse lever i n
housing bores (Fig. 22).
(5) I n s t a l l n e w o i l seals and seal retainers over
shafts and i n t o housing bores (Fig. 22).
(6) I n s t a l l operating levers o n shift levers a n d
t i g h t e n lever r e t a i n i n g n u t s t o 24 N n n (18 ft-lbs)
torque.
B e s u r e
t h i r d - o v e r d r i v e
l e v e r
p o i n t s
d o w n w a r d .
(7) Rotate shift levers t o N e u t r a l position ( s t r a i g h t
up).
(8) I n s t a l l third-overdrive shift fork i n shift lever
and under both interlock levers.
(9) Check installed position o f interlock levers a n d
spring (Fig. 23).
(10) Position 1-2 and third-overdrive synchronizer
sleeves a n d reverse idler gear i n N e u t r a l position.
Fig. 22 Gearshift Housing Components
Fig. 23 Gearshift Housing Component Position
(11) Place 1-2 shift fork i n groove o f 1-2 synchro-
nizer sleeve.
(12) Place transmission on r i g h t side.
(13) Coat new gearshift housing gasket w i t h petro-
l e u m j e l l y and position gasket o n transmission. Use
a d d i t i o n a l petroleum j e l l y t o h o l d gasket i n position
i f necessary.
(14) I n s t a l l reverse detent b a l l and detent s p r i n g i n
side o f case (Fig. 16).
(15)
I n s t a l l gearshift
housing
assembly.
Guide
t h i r d - o v e r d r i v e shift fork i n t o groove o f synchronizer
sleeve a n d guide shaft o f 1-2 shift fork i n t o bore o f
1-2 shift lever i n housing. H o l d reverse i n t e r l o c k l i n k
against 1-2 shift lever for clearance as housing is
lowered i n t o place.

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