Dodge D150 1990 Service Manual page 200

(13) Remove t h e arbor tool f r o m the differential
housing cavity a n d the tool set ( w i t h the front and
rear bearings) f r o m the housing bore.
(14) Use Removal Tool D-162 and D r i v e r Handle
Tool C-4171 to remove the d r i v e p i n i o n gear shaft
rear bearing cup f r o m the differential housing bore.
(15) Position t h e depth shims i n the differential
housing rear bearing cup bore and i n s t a l l the bear-
i n g cup according to the method previously described
i n steps (1) t h r o u g h (6) above. W h e n the bearing cup
is correctly "seated" i n the housing bore, remove the
tool set and the drive pinion gear shaft bearings.
(16) I f the drive p i n i o n gear depth of mesh w i t h the
r i n g gear has been correctly established according to
t h e instructions and i n f o r m a t i o n provided i n the pro-
cedure above, good gear teeth contact should exist.
(17) Lubricate the drive p i n i o n gear shaft rear
b e a r i n g w i t h M O P A R Hypoid Gear L u b r i c a n t (o»r an
equivalent product) and i n s t a l l the b e a r i n g on the
d r i v e p i n i o n gear shaft w i t h Tool C-3095-A. Use a n
arbor press w i t h the i n s t a l l a t i o n tool (Fig. 33).
PINION GEAR
Fig. 33 Shaft Rear Bearing Installation
(18) I n s t a l l the drive p i n i o n gear shaft w i t h the
b e a r i n g i n the differential housing bore.
(19) I n s t a l l the o r i g i n a l drive p i n i o n gear shaft
b e a r i n g "preload" torque shims followed by the f r o n t
bearing. D o n o t i n s t a l l t h e s h a f t o i l s l i n g e r o r seal
a t t h i s t i m e .
(20) I n s t a l l the drive p i n i o n gear shaft (axle) yoke,
washer and n u t . Tighten t h e n u t w i t h 339 to 366
N-m (250 to 270 ft-lbs) torque. W h i l e t i g h t e n i n g , ro-
t a t e drive p i n i o n gear shaft several complete revolu-
tions to "seat" the bearing rollers.
(21) Use a Newton-meter or a n inch-pound torque
wrench to rotate t h e d r i v e p i n i o n gear shaft and
measure the bearing " p r e l o a d " torque (Fig. 34). Ro-
tate t h e shaft several complete revolutions before re-
cording the torque. The Correct bearing "preload"
torque is 1 to 3 N-m (10 to 20 in-lbs) torque.
Fig. 34 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 , d e c r e a s e 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 -
c r e a s e 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) After the correct d r i v e p i n i o n gear shaft bear-
i n g "preload" torque has been established, remove
the yoke, n u t and washer.
(23) I n s t a l l t h e o i l slinger a n d the seal on t h e drive
p i n i o n gear shaft w i t h Seal I n s t a l l a t i o n Tool C-3719-
A (for Model 60 and 6 0 M axles) or Tool C-359 (for
Model 70 axles) 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 and n u t . T i g h t e n t h e n u t w i t h 339 to 366
N-m (250 to 270 ft-lbs) torque.
RING GEAR "BACKLASH" ADJUSTMENT
(1) Position Spreader Tool D-167 on the differential
housing w i t h t h e tool dowel pins "seated" i n the lo-
cating holes (Fig. 35). 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 s t u d at t h e left side of t h e differ-
e n t i a l housing. A t t a c h D i a l Indicator Tool C-3339 to
the differential housing (via the pilot stud) w i t h the
indicator plunger s l i g h t l y "loaded" against t h e oppo-
site side of the differential housing (Fig. 35). "Zero"
the d i a l indicator pointer.