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REAR AXLES
3 - 1 3
(10) I f any of these conditions exist, both the axle
shaft a n d the bearing m u s t be replaced.
T h e n o r m a l a p p e a r a n c e ( f r o m r o l l e r b e a r i n g
c o n t a c t ) o f t h e s h a f t w i l l b e a d u l l g r a y s u r f a c e
a r e a t h a t c o u l d a p p e a r s l i g h t l y d e n t e d .
AXLE SHAFT SEAL AND BEARING
REMOVAL
(1) W i t h the axle shaft removed f r o m the axle shaft
tube, remove the axle shaft seal f r o m the end of t h e
axle shaft tube w i t h a s m a l l p r y bar.
(2) Remove the b e a r i n g i f i t appears damaged or i f
the axle shaft exhibits a n y o f t h e conditions de-
scribed i n the axle shaft removal procedure (above).
(3) T o remove the axle shaft b e a r i n g f r o m a n 8 3/
8-inch diameter r i n g gear axle tube (Fig. 5), use Re-
moval Tool C-4167.
A t t a c h Slide H a m m e r Tool C-637 to the end of t h e
removal tool. Use a slide h a m m e r m o t i o n t o remove
the b e a r i n g .
(4) F o r a 9 1/4-inch diameter r i n g gear axle tube,
use Removal Tool C-4828 t o remove the b e a r i n g (Fig.
6).
Fig. 6 Axle Shaft Bearing Removal (9 1/4-Inch Ring
Gear)
AXLE SHAFT BEARING
AND
SEAL
INSTALLATION
D o n o t i n s t a l l t h e o r i g i n a l a x l e s h a f t s e a l o r
b e a r i n g . A l w a y s i n s t a l l a r e p l a c e m e n t s e a l a n d
b e a r i n g .
(1) Wipe the bearing bore i n the axle shaft tube
clean.
(2) I n s e r t a replacement axle shaft bearing onto the
pilot o f the appropriate bearing i n s t a l l a t i o n (Tool C-
4198 for a n 8 3/8-inch diameter r i n g gear axle tube
or Tool C-4826 w i t h Handle C-4171 for a 9 1/4-inch
diameter r i n g gear axle tube).
CAUTION: DO NOT use the replacement axle shaft
seal to position or "seat" the bearing in the axle
shaft bore because this will damage the seal and
c a u s e lubricant leakage from the axle shaft tube.
(3) I n s e r t the axle shaft bearing i n t o the axle shaft
tube bore. Ensure t h a t the bearing is not "cocked" i n
the bore and t h a t i t is "seated" f i r m l y against t h e
"shoulder" i n the axle tube.
(4) I n s t a l l the replacement axle shaft seal (Fig. 7)
i n a n 8 3/8-inch diameter r i n g gear axle shaft tube
w i t h I n s t a l l a t i o n Tool C-4203 and Handle Tool C-
4171. Use I n s t a l l a t i o n Tool C-4826 t o i n s t a l l the seal
i n a 9 1/4-inch diameter r i n g gear axle shaft tube.
T h e f l a t side o f t h e i n s t a l l a t i o n t o o l m u s t f a c e
t h e seal.
INSTALLATION
SHAFT
Fig. 7 Axle Shaft Seal Installation
(5) W h e n t h e i n s t a l l a t i o n tool contacts t h e axle
tube "face", the seal w i l l be positioned at the correct
depth i n the bore.
AXLE SHAFT
INSTALLATION
(1) L u b r i c a t e the bearing bore and the seal l i p , i n -
sert the axle shaft into the axle shaft tube a n d en-
gage i t s splines w i t h
t h e differential side
gear
splines. U s e c a r e t o p r e v e n t t h e s h a f t s p l i n e s
f r o m d a m a g i n g t h e a x l e s h a f t seal l i p .
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