Jeep XJ. Manual — part 659
TORQUE SPECIFICATIONS
DESCRIPTION
N·m
Ft. Lbs.
In. Lbs.
Fill Hole Plug
34
25
Differential Cover Bolts
41
30
Bearing Cap Bolts
61
45
Ring Gear Bolts
108
80
Axle Nut
237
175
Hub Bearing Bolts
102
75
SPECIAL TOOLS
181FBI AXLE
Puller C-293-PA
Plug SP-3289
Adapter C-293-39
Puller C-452
Wrench C-3281
Dial Indicator C-3339
Installer C-3716-A
Handle C-4171
3s - 2
FRONT AXLE - 181FBI - 186FBI
XJ
FRONT AXLE - 181FBI - 186FBI (Continued)
2001 JEEP CHEROKEE
Installer D-146
Remover D-149
Installer W-162-D
Cup 8109
Installer 6761
Installer Discs 8110
Turnbuckle 6797
Pinion Depth Set 6774
Pinion Block 6733
Spanner Wrench 6958
XJ
FRONT AXLE - 181FBI - 186FBI
3s - 3
FRONT AXLE - 181FBI - 186FBI (Continued)
2001 JEEP CHEROKEE
Installer C-3972-A
Spreader W-129-B
Adapter Kit 6987
Pilot Stud C-3288-B
Remover C-4345
Installer D-130
Installer W-262
3s - 4
FRONT AXLE - 181FBI - 186FBI
XJ
FRONT AXLE - 181FBI - 186FBI (Continued)
2001 JEEP CHEROKEE
PINION SEAL
REMOVAL
(1) Raise and support the vehicle.
(2) Remove wheel and tire assemblies.
(3) Remove brake rotors (Refer to 5 - BRAKES/HY-
DRAULIC/MECHANICAL/ROTORS
-
REMOVAL)
and calipers (Refer to 5 - BRAKES/HYDRAULIC/ME-
CHANICAL/DISC BRAKE CALIPERS - REMOVAL) .
(4) Mark propeller shaft and pinion yoke for
installation reference.
(5) Remove propeller shaft from the yoke.
(6) Rotate pinion gear three or four times.
(7) Record rotating torque of the pinion gear with
an inch pound torque wrench for installation refer-
ence.
(8) Using Spanner Wrench 6958 to hold the pinion
yoke, remove the pinion nut and washer.
(9) Remove pinion yoke with Remover C-452 and
Flange Wrench C-3281 (Fig. 1).
(10) Remove pinion seal with a pry tool or a slide
hammer mounted screw.
INSTALLATION
(1) 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. 2).
(2) Install yoke on the pinion gear with Installer
W-162-D, Cup 8109 and Wrench 6958 (Fig. 3).
CAUTION: Do not exceed the minimum tightening
torque 271 N·m (200 ft. lbs.) when installing the pin-
ion yoke retaining nut at this point. Damage to col-
lapsible spacer or bearings may result.
(3) Install yoke washer and new nut on the pinion
gear and tighten nut until there is zero bearing end-
play.
(4) Tighten the nut to 216 N·m (160 ft. lbs.).
CAUTION: Never loosen pinion gear nut to decrease
pinion gear bearing rotating torque and never
exceed specified preload torque. If preload torque
or rotating torque is exceeded a new collapsible
spacer must be installed.
(5) Rotate the pinion shaft using an inch pound
torque wrench. Rotating torque should be equal to
the reading recorded during removal plus an addi-
tional 0.56 N·m (5 in. lbs.) (Fig. 4).
(6) If the rotating torque is low, use Spanner
Wrench 6958 to hold the pinion yoke (Fig. 5) and
tighten pinion shaft nut in 6.8 N·m (5 ft. lbs.) incre-
ments until proper rotating torque is achieved.
Fig. 1 Pinion Yoke
1 - WRENCH
2 - YOKE
3 - REMOVER
Fig. 2 Pinion Seal
1 - HANDLE - C-4171
2 - INSTALLER - C-3972-A
Fig. 3 Pinion Yoke Installation
1 - PINION YOKE
2 - AXLE HOUSING
XJ
FRONT AXLE - 181FBI - 186FBI
3s - 5
2001 JEEP CHEROKEE
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