Pinion Gear - Jeep cherokee 2000 Service Manual

XJ
REMOVAL AND INSTALLATION (Continued)
Fig. 23 Ring Gear Bolt Installation
1 – TORQUE WRENCH
2 – RING GEAR BOLT
3 – RING GEAR
4 – CASE

PINION GEAR

The ring gear and pinion are serviced in a matched
set. Do not replace the pinion without replacing the
ring gear.
REMOVAL
(1) Remove differential from the axle housing.
(2) Mark pinion yoke and propeller shaft for
installation alignment.
(3) Disconnect propeller shaft from pinion yoke.
Using suitable wire, tie propeller shaft to underbody.
(4) Using Yoke Holder 6719 to hold yoke and
remove the pinion yoke nut and washer.
(5) Using Remover C–452, remove the pinion yoke
from pinion shaft (Fig. 24).
(6) Partially install pinion nut onto pinion to pro-
tect the threads.
(7) Remove the pinion from housing (Fig. 25).
Catch the pinion with your hand to prevent it from
falling and being damaged.
(8) Remove the pinion shaft seal with suitable pry
tool or slide-hammer mounted screw.
(9) Remove oil slinger, if equipped, and front pin-
ion bearing.
(10) Remove the front pinion bearing cup with
Remover C-4345 and Handle C–4171 (Fig. 26).
(11) Remove the rear bearing cup from housing
(Fig. 27). Use Remover C-4307 and Handle C–4171.
Fig. 24 Pinion Yoke Removal
1 – PINION YOKE
2 – TOOL C452
Fig. 25 Remove Pinion Gear
1 – RAWHIDE HAMMER
(12) Remove the collapsible preload spacer (Fig. 28).
(13) Remove the rear bearing from the pinion (Fig.
29) with Puller/Press C-293-PA and Adapters C-293-47.
Place 4 adapter blocks so they do not damage
the bearing cage.
(14) Remove the depth shims from the pinion
shaft. Record the thickness of the depth shims.
INSTALLATION
(1) Apply Mopar Door Ease, or equivalent, stick
lubricant to outside surface of bearing cup.
(2) Install the pinion rear bearing cup (Fig. 30)
with Installer C-4308 and Driver Handle C–4171.
8 1/4 REAR AXLE 3 - 117