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AXLE
SHAFT TUBE
THREADED
ADJUSTER TOOL C-4164
J9003-58
Fig. 36 Threaded Adjuster Tool C-4164
RING
GEAR
INDICATOR
TOOL
C-3339
J9003-72
Fig. 37 Ring Gear "Backlash" Measurement
(5) T i g h t e n t h e differential bearing cap bolts w i t h
95 N-m (70 ft-lbs) torque for 8 3/8-inch diameter r i n g
gear axles a n d w i t h 136 N«m (100 ft-lbs) torque for 9
1/4-inch diameter r i n g gear axles.
(6)
Use Tool
C-4164
t o t i g h t e n t h e right-side
threaded adjuster w i t h 102 N»m (75 ft-lbs) torque.
"Seat" t h e bearing rollers as described above. Con-
tinue t o t i g h t e n t h e right-side adjuster a n d "seat"
bearing rollers u n t i l t h e torque remains constant a t
102 N*m. (75 ft-lbs).
(7) Measure t h e r i n g gear "backlash". I f the "back-
l a s h " is n o t 0.006 to 0.008 inch (0.15 to 0.20 m m ) ,
continue increasing t h e torque at t h e right-side
threaded adjuster (and "seat" t h e bearing rollers as
described above) u n t i l t h e specified "backlash" is ob-
tained.
I f a l l t h e p r e v i o u s i n s t r u c t i o n s h a v e b e e n c o r -
r e c t l y c o m p l e t e d , t h e i n i t i a l t o r q u e i n d i c a t i o n f o r
t h e l e f t - s i d e t h r e a d e d a d j u s t e r s h o u l d b e a p p r o x -
i m a t e l y 102 N * m (75 f t - l b s ) . I f t h e t o r q u e i s s u b -
s t a n t i a l l y less, t h e c o m p l e t e p r o c e d u r e m u s t b e
r e p e a t e d .
(8) T i g h t e n t h e left-side threaded adjuster w i t h 102
N«m (75 ft-lbs) torque (and "seat" t h e b e a r i n g rollers
as described above) u n t i l torque remains constant.
(9) A f t e r t h e adjustments are completed, i n s t a l l t h e
threaded adjuster "locks". Ensure t h a t t h e "lock
t e e t h " f o r 9 1/4-inch diameter r i n g gear axles are en-
gaged w i t h t h e adjuster threads a n d t h a t t h e "lock
finger" i s engaged w i t h adjuster hole for 8 3/8-inch
diameter r i n g gear axles. T i g h t e n t h e " l o c k " screws
w i t h 10 N * m (90 in-lbs) torque.
DIFFERENTIAL
SIDE GEAR
CLEARANCE
MEASUREMENT/ADJUSTMENT
The correct differential side gear clearance is ob-
tained b y selection o f a side gear t h r u s t washer t h a t
has t h e correct thickness. Refer to t h e replacement
parts catalog
for t h e required side
gear
t h r u s t
washer package.
W h e n
m e a s u r i n g side gear clearance,
evaluate
each gear independently. I t is possible for one side
gear t o have a n acceptable clearance a n d for t h e
other side gear t o have a n unacceptable clearance. I f
i t necessary t o replace a side gear, replace b o t h gears
as a " m a t c h e d set".
(1) I n s t a l l t h e axle shafts and the C-clip "locks". I n
necessary,
refer t o t h e i n s t a l l a t i o n located w i t h i n
t h i s group.
(2) W i t h t h e axle shafts a n d t h e C-clip " l o c k s " i n
place, measure each side gear clearance b y selec-
t i v e l y i n s e r t i n g a "matched p a i r " o f feeler gauge
blades between t h e gear and the d i f f e r e n t i a l housing
on opposite sides of the hub (Fig. 38).
(3) I f e i t h e r o f the side gear clearances is no more
J9003-73
Fig. 38 Side Gear Clearance Measurement
t h a n 0.005 i n c h , inspect the end o f the axle shaft o n
the same side o f t h e differential housing t o deter-
m i n e i f i t i s contacting the p i n i o n gear mate shaft.
D o n o t r e m o v e
t h e feeler g a u g e s , i n s p e c t t h e
a x l e s h a f t w i t h t h e feeler g a u g e b l a d e s i n s e r t e d
b e h i n d t h e s i d e g e a r . I f the end o f the axle shaft is
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