Dodge D150 1990 Service Manual page 143

Rear wheel drive ram truck
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2 - 74
FRONT SUSPENSION
PINION GEAR
Fig. 46 Shaft Inner (Rear) Bearing Installation
cording t h e torque. The Correct bearing
"preload"
torque i s 1 to 3 N»m (10 to 20 in-lbs) torque.
Fig. 47 Rotating Drive Pinion Gear Shaft
I f t h e d r i v e p i n i o n g e a r s h a f t b e a r i n g
" p r e -
l o a d " t o r q u e i s n o t w i t h i n t h e s p e c i f i e d
t o l e r -
ance, c o r r e c t t h e s h i m t h i c k n e s s a c c o r d i n g l y . T o
i n c r e a s e t h e " p r e l o a d " t o r q u e , decrease t h e s h i m
t h i c k n e s s ; t o d e c r e a s e t h e " p r e l o a d " t o r q u e , i n -
crease t h e s h i m t h i c k n e s s . S h i m s a r e a v a i l a b l e
i n t h e f o l l o w i n g t h i c k n e s s e s : 0.003, 0.005, 0.010,
a n d 0.030 i n c h (0.076, 0.127, 0.254, a n d 0.762 m m ) .
(22) A f t e r the correct drive p i n i o n gear shaft bear-
i n g " p r e l o a d " torque has been established, remove
the yoke, n u t and washer.
(23) I n s t a l l the o i l slinger and the seal on the drive
pinion gear shaft w i t h Seal I n s t a l l a t i o n Tool C-3719-
A and D r i v e r Handle C-4171.
(24) I n s t a l l the drive p i n i o n gear shaft (axle) yoke,
washer a n d n u t . T i g h t e n t h e n u t w i t h 339 t o 366
N-m (250 t o 270 ft-lbs) torque.
RING GEAR "BACKLASH"
ADJUSTMENT
(1) Position Spreader Tool W-129-A on the differen-
t i a l h o u s i n g w i t h the tool dowel pins "seated" i n the
locating holes (Fig. 48). I n s t a l l the holddown clamps
and t i g h t e n the tool t u r n b u c k l e " f i n g e r - t i g h t " .
(2) I n s t a l l a p i l o t stud a t the left side o f the differ-
e n t i a l housing. A t t a c h D i a l Indicator Tool C-3339 t o
the d i f f e r e n t i a l housing (via the p i l o t stud) w i t h the
indicator plunger s l i g h t l y "loaded" against the oppo-
site side o f the differential housing (Fig. 48). "Zero"
the d i a l indicator pointer.
Fig. 48 Differential Housing Separation
CAUTION: Do not exceed the specified separation
distance when separating the differential housing. If
the housing is over-separated, it could be distorted
or damaged, which would necessitate replacement.
(3) T i g h t e n the spreader tool t u r n b u c k l e (Fig. 48)
and separate the differential housing only enough to
i n s t a l l t h e differential case i n the housing. S e p a r a t e
t h e d i f f e r e n t i a l h o u s i n g a m a x i m u m d i s t a n c e o f
0.38 m m (0.015 i n ) w i t h t h e s p r e a d e r t o o l . Mea-
sure the separation distance w i t h the d i a l indicator
(Fig. 48) as the housing is being separated.
(4) Remove t h e d i a l indicator tool and t h e pilot
stud (Fig. 48) when the differential housing has been
separated sufficiently t o i n s t a l l the differential case
i n the housing.
(5) I n s t a l l Master B e a r i n g Tools D-117 o n the dif-
ferential case hubs and position the case i n the dif-
ferential housing w i t h the r i n g gear teeth
"meshed"
w i t h t h e drive p i n i o n gear teeth. I f necessary, " r o c k "
the r i n g gear to " m e s h " the gear teeth.
(6) I n s t a l l a p i l o t stud a t the r i g h t side of the dif-
ferential housing. A t t a c h D i a l Indicator Tool C-3339
to the differential housing ( v i a the p i l o t stud) w i t h
the i n d i c a t o r plunger s l i g h t l y "loaded" against t h e

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