Jeep 1997 Grand Cherokee Service Manual page 163

SPECIAL TOOL C-3972–A
INSTALLER SPECIAL TOOL C-4171
ZG
REMOVAL AND INSTALLATION (Continued)
Fig. 44 Pinion Front Bearing Cup Installation
(3) Install pinion front bearing and oil slinger, if
equipped. 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. 45).
Fig. 45 Pinion Seal Installation
NOTE: Pinion depth shims are placed between the
rear pinion bearing cone and pinion gear to achieve
proper ring and pinion gear mesh. If the factory
installed ring and pinion gears are reused, the pin-
ion depth shim should not require replacement or
adjustment. Refer to Pinion Gear Depth paragraph
in this section to select the proper thickness shim
before installing rear pinion bearing cone.
(4) Place the proper thickness pinion depth shim
on the pinion gear.
(5) Install the rear bearing (and slinger if used) on
the pinion gear with Installer 6448 (Fig. 46).
(6) Install a new collapsible preload spacer on pin-
ion shaft (Fig. 47).
(7) Install pinion gear in housing.
HANDLE DRIVE PINION GEAR SHAFT OIL SLINGER
(8) Install yoke with Installer C-3718 and holder
6958 (Fig. 48).
(9) Install the yoke washer and a new nut on the
pinion gear. Tighten the nut to 298 N·m (220 ft. lbs.)
minimum. Do not over-tighten. Maximum torque is
380 N·m (280 ft. lbs.).
REAR DRIVE PINION GEAR REAR BEARING BEAR- ING PRESS
DIFFERENTIAL AND DRIVELINE
Fig. 46 Shaft Rear Bearing Installation
Fig. 47 Collapsible Preload Spacer
INSTALLATION TOOL IBLE SPACER COLLAPS- SHOULDER PINION GEAR
3 - 105