Table of Contents
Advertisement
2 - 62
FRONT SUSPENSION
•
b l e c a u s e s c o u l d b e t h a t t h e ring g e a r i s n o t
tightly
a t t a c h e d t o t h e d i f f e r e n t i a l case f l a n g e o r
t h e d i f f e r e n t i a l case i s d a m a g e d .
(10) D e t e r m i n e i f the clearance between t h e differ-
e n t i a l b e a r i n g caps a n d bearing cups is excessive b y
a t t e m p t i n g t o insert a 0.003- i n c h (0.076-mm) t h i c k
feeler gauge blade between t h e m . N o r m a l l y , a 0.003-
i n c h (0.076-mm) t h i c k feeler gauge blade should be
too t h i c k t o be inserted between a bearing cap a n d
cup.
I f t h e c l e a r a n c e i s m o r e t h a n 0.003 i n c h (0.076
m m ) , t h e c a u s e c o u l d b e t h a t t h e a p p l i c a b l e
b e a r i n g c u p r o t a t e d i n t h e d i f f e r e n t i a l h o u s i n g
" s e a t " a n d c a u s e d e x c e s s i v e w e a r .
(11) N o t e t h e i n s t a l l a t i o n reference letters stamped
i n t o t h e differential bearing caps a n d i n t o t h e differ-
e n t i a l h o u s i n g machined sealing surface (Fig. 21).
The letters are stamped horizontally on t h e r i g h t
side a n d are stamped v e r t i c a l l y on t h e left side of the
differential housing. A l w a y s m a t c h t h e reference let-
ters w h e n i n s t a l l i n g t h e differential bearing caps.
Fig. 21 Bearing Cap Identification
(12) Remove t h e differential bearing caps.
(13) Position Spreader Tool W-129-A on t h e differ-
e n t i a l h o u s i n g w i t h t h e tool dowel pins "seated" i n
the l o c a t i n g holes ( F i g . 22). I n s t a l l t h e holddown
clamps
a n d t i g h t e n t h e tool t u r n b u c k l e
"finger-
t i g h t " .
(14) I n s t a l l a p i l o t stud a t t h e left side o f t h e dif-
ferential housing. A t t a c h D i a l Indicator Tool C-3339
to t h e differential housing (via t h e p i l o t stud) w i t h
the indicator plunger s l i g h t l y "loaded" against t h e
opposite side o f t h e differential housing ( F i g . 22).
"Zero" t h e d i a l indicator pointer.
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.
Fig. 22 Differential Housing Separation
(15) T i g h t e n t h e spreader tool t u r n b u c k l e (Fig. 22)
and separate t h e differential housing only enough t o
remove t h e differential case f r o m t h e 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 . Measure t h e separation distance w i t h t h e d i a l
i n d i c a t o r (Fig. 22) as t h e h o u s i n g is b e i n g separated.
(16) Remove t h e d i a l indicator (Fig. 22) w h e n t h e
d i f f e r e n t i a l housing has been separated
sufficiently
to remove t h e differential case f r o m t h e housing.
(17) P r y t h e differential case loose from t h e hous-
i n g . A l i g h t p r y i n g action w i t h a s m a l l p r y b a r o r
p i n c h b a r w i l l loosen t h e case sufficiently for easy r e -
m o v a l . To prevent damage, p r y t h e differential case
o u t w a r d toward t h e opening w i t h t h e p r y bar pivot-
i n g o n t h e differential housing a n d w i t h t h e e n d o f
the p r y b a r against t h e differential case.
(18) Remove t h e differential case f r o m t h e differen-
t i a l housing. I f they are reusable, r e t a i n t h e differen-
t i a l b e a r i n g cups a n d bearings together as "matched
sets".
(19) Clamp t h e differential case i n a vise equipped
w i t h soft jaws a n d remove ( a n d d i s c a r d ) t h e r i n g
gear bolts. " T a p " t h e r i n g gear w i t h a r a w h i d e m a l l e t
to loosen i t from t h e differential case flange. Remove
the r i n g gear.
(20) I f t h e r i n g gear " r u n o u t " exceeded 0.006 i n c h
(0.15 m m ) i n Step 9 (above), t h e differential case
flange " r u n o u t " should be measured a t t h i s t i m e .
(21) I n s t a l l t h e differential case ( w i t h t h e o r i g i n a l
b e a r i n g cups), i n t h e differential housing.
(22) Remove the holddown clamps a n d t h e spreader
tool f r o m t h e differential housing (Fig. 22).
(23)
I n s t a l l t h e differential
bearing
caps a n d
t i g h t e n t h e bolts " f i n g e r - t i g h t " u n t i l each bolt head
is l i g h t l y "seated" on t h e bearing cap.
(24) I n s t a l l a p i l o t stud a t t h e r i g h t side o f t h e dif-
f e r e n t i a l housing. A t t a c h D i a l Indicator Tool C-3339
to t h e differential housing ( v i a t h e p i l o t stud) w i t h
Advertisement
Table of Contents
