Chrysler RAM TRUCK 2500 1994 Service Manual page 101

2 - 44 FRONT SUSPENSION AND AXLE •
shim thickness (Fig. 56). The shims must he
placed at the ring gear side between the case
and bearing.
For Example:
Indicator Reading LESS PINION 0.085 in. total
Indicator Reading WITH PINION 0.055 in. total—
SPECIAL TOOL
W-129-B
BALANCE O F SHIM PACK
0.030 in. total-
Place BALANCE of shims at opposite
side of ring gear
ADD an additional 0.015 in. shim to opposite side
of ring gear for bearing preload
Ring Gear Side (Flange Side)
Opposite Side
Opposite Side Preload
Total Opposite Side
0.055 i n . ^
0.030 in.
0.015
in.
0.045 in. J9302-65
Fig. 56 Shim Pack Calculations
(6) Remove indicator and pilot stud.
(7) Remove the differential case from housing.
(8) Remove the master bearing tools from the dif­
ferential case hubs.
(9) Position the backlash shims (with determined
thickness) on case hub (ring gear side). Install bear­
ing on the hub with Driver Handle C-4171 and Bear­
ing Installer C-3716A for 44 axle. Use Bearing
Installer C-4190 for 60 axle.
(10) Position the remaining zero end-play shims on
hub at opposite side of case. Include an additional
0.015 in. (0.38 mm) thick shim on this hub. This will
provide the required differential bearing preload.
(11) Install bearing on the hub with Driver Handle
C-4171 and Bearing Installer C-3716A for 44 axle.
Use Bearing Installer C-4190 for 60 axle.
(12) Match each bearing cup with bearing (origi­
nal). Install the cups on the bearings.
DIFFERENTIAL INSTALLATION
(1) Position Spreader W-129-B with the tool dowel
pins seated i n the locating holes (Fig. 57). Install the
holddown clamps and tighten the tool turnbuckle fin­
ger-tight.
(2) Install a pilot stud at the left side of the differ­
ential housing. Attach Dial Indicator to housing pilot
stud. Load the indicator plunger against the opposite
side of the housing (Fig. 57) and zero the indicator.
DIAL
INDICATOR
Fig. 57 Spread Differential Housing
CAUTION: Do not spread over 0.38 mm (0.015 in). If
the housing is over-separated, it could be distorted
or damaged.
(3) Separate the housing enough to install the case
in the housing. Measure the distance with the dial
indicator (Fig. 57).
(4) Remove the dial indicator.
(5) Install case i n the housing. Tap the differential
case to ensure the bearings are fully seated (Fig. 58).
Remove the spreader.
RAWHIDE
HAMMER
J9302-19
Fig. 58 Differential Installation
(6) Install the bearing caps at their original loca­
tions (Fig. 59). Tighten the bearing cap bolts to 108
N-m (80 ft. lbs.) torque.