Collapsible Spacer - Jeep cherokee 2000 Service Manual

3 - 74 194 RBI AXLE
REMOVAL AND INSTALLATION (Continued)
Fig. 11 Tightening Pinion Shaft Nut–Typical
1 – SPECIAL TOOL 6958
2 – 1 in. PIPE
3 – 3/4 DRIVE TORQUE WRENCH
(11) Lower the vehicle.

COLLAPSIBLE SPACER

REMOVAL W/PINION INSTALLED
(1) Raise and support the vehicle.
(2) Remove wheel and tire assemblies.
(3) Remove rear brake drums. Refer to Group 5,
Brakes, for proper procedures.
(4) Mark the propeller shaft and pinion yoke for
installation reference.
(5) Remove the propeller shaft from the yoke.
(6) Rotate the pinion gear three or four times.
(7) Measure the amount of torque necessary to
rotate the pinion gear with a (in. lbs.) dial-type
torque wrench. Record the torque reading for instal-
lation reference.
(8) Using Holder 6958 to hold the pinion yoke,
remove the pinion nut and washer.
(9) Use Remover C-452 and Wrench C-3281 to
remove the pinion yoke (Fig. 12).
(10) Use a suitable pry tool or a slide hammer
mounted screw to remove the pinion shaft seal.
(11) Remove the front pinion bearing using a pair of
suitable pick tools to pull the bearing straight off the
pinion gear shaft. It may be necessary to lightly tap the
end of the pinion gear with a rawhide or rubber mallet
if the bearing becomes bound on the pinion shaft.
(12) Remove the collapsible spacer.
REMOVAL W/PINION REMOVED
(1) Raise and support the vehicle.
(2) Remove wheel and tire assemblies.
(3) Remove rear brake drums. Refer to Group 5,
Brakes, for proper procedures.
Fig. 12 Pinion Yoke Removal
1 – SPECIAL TOOL C-3281
2 – YOKE
3 – SPECIAL TOOL C-452
(4) Mark the propeller shaft and pinion yoke for
installation reference.
(5) Remove the propeller shaft from the yoke.
(6) Rotate the pinion gear three or four times.
(7) Measure the amount of torque necessary to
rotate the pinion gear with a (in. lbs.) dial-type
torque wrench. Record the torque reading for instal-
lation reference.
(8) Remove differential assembly from axle hous-
ing.
(9) Using Holder 6958 to hold yoke, remove the
pinion yoke nut and washer.
(10) Using Remover C–452 and Wrench C–3281,
remove the pinion yoke from pinion shaft (Fig. 12).
(11) Remove the pinion gear from housing (Fig.
13). Catch the pinion with your hand to prevent it
from falling and being damaged.
(12) Remove collapsible spacer from pinion shaft.
INSTALLATION
(1) Install a new collapsible preload spacer on pin-
ion shaft (Fig. 14).
(2) If pinion gear was removed, install pinion gear
in housing.
(3) Install pinion front bearing, if necessary.
(4) Apply a light coating of gear lubricant on the
lip of pinion seal. Install seal with Installer C-3972-A
and Handle C–4171 (Fig. 15).
(5) Install yoke with Screw 8112, Cup 8109, and
Holder 6958 (Fig. 16).
(6) If the original pinion bearings are being used,
install differential assembly and axle shafts, if neces-
sary.
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