Axle Hub - Amc/Jeep Axle - Jeep 1979 CJ-5 Technical & Service Manual

AXLES 2 F - l |
NOTE: If the vehicle is driven through water deep
enough to cover the hubs, the wheels and drums should
be removed and the brake components and axle bearings
and seals inspected for water/dirt contamination or
damage. All components should be cleaned thoroughly,
examined carefully, and lubncated as necessary before
assembly. Damaged or contaminated parts should be
replaced.
AXLE HUB—AMC/JEEP AXLE
Removal
(1) Remove axle shaft dust cap.
(2) Remove axle shaft nut and washer.
(3) Raise and support vehicle.
(4) Remove wheel and tire.
(5) Remove screws attaching brake drum to rear
hub and remove drum.
(6) Install Puller Tool J-25109-01 on axle hub and
remove hub (fig. 2F-18).
CAUTION: Do not use a knockout or slide hammer-
type puller to remove the hub. This type of puller may
damage axle bearings, axle shaft, or differential thrust
block.
7 0 5 4 4
Fig. 2F-18
Axle Hub Removal—AMC/Jeep Axle
Inspoction
Inspect the hub for loose or distorted wheel lug studs.
Inspect the keyway and tapered center bore for wear,
damaged serrations, or cracks. Replace the hub if worn
or damaged.
Installation
NOTE: The procedures for installing an original hub
and for installing a replacement hub are different. The
installation procedures for both hub-types are as
follows:
Original Hub Installation
(1) Align keyway in hub with axle shaft key.
(2) Slide hub onto axle shaft as far as possible.
(3) Install axle shaft nut and washer.
(4) Install drum, drum retaining screws, and road
wheel.
(5) Lower vehicle 6h$6 wheels.
(6) Tighten axle shaft nut to 250 foot-pounds (339
N*m) torque. If cotter pin hole is not aligned, tighten nut
to the next castellation and install cotter pin. Do not
loosen nut to align cotter pin hole.
NOTE: When a replacement axle shaft is installed, a
replacement hub must also be installed. However, a
replacement hub may be installed on an original axle
shaft if the serrations on the shaft are not worn or
damaged.
1
Replacment Hub Installation
(1) Align keyway in hub with axle shaft key.
(2) Lubricate two thrust washers with liberal
amount of chassis grease and install washers on axle
shaft.
(3) Install axle shaft nut.
(4) Install drum, drum retaining screws, and road
wheel.
(5) Lower vehicle onto wheels. Tighten axle shaft
nut until distance from hub outer face to axle shaft
outer end is 1-5/16 inches (33.3 mm) (fig. 2F-19).
NOTE: The hub must be pressed onto the axle shaft to
the specified dimension in order to form the hub serra-
tions properly.
(6) Remove axle shaft nut and one thrust washer.
(7) Install axle shaft nut and tighten to 250 foot-
pounds (339 N«m) torque. If cotter pin hole is not
aligned, tighten nut to next castellation and install cot-
ter pin. Do not loosen nut to align cotter pin hole.
S E R R A T I O N S
1-5/16 INCHES (AMC-JEEP A X L E )
4 1 4 2 0
2F-19
Replacement Hub Installation Measurement—
AMC/Jeep Axle