Jeep 1997 Grand Cherokee Service Manual page 78

SEALING NESS 6.35MM BEAD THICK- SURFACE (1/4")
3 - 20 DIFFERENTIAL AND DRIVELINE
SERVICE PROCEDURES
LUBRICANT CHANGE
(1) Raise and support the vehicle.
(2) Remove the lubricant fill hole plug from the
differential housing cover.
(3) Remove the differential housing cover and
drain the lubricant from the housing.
(4) Clean the housing cavity with a flushing oil,
light engine oil or lint free cloth. Do not use water,
steam, kerosene or gasoline for cleaning.
(5) Remove the sealant from the housing and cover
surfaces. Use solvent to clean the mating surfaces.
(6) Apply a bead of Mopar Silicone Rubber Seal-
ant, or equivalent, to the housing cover (Fig. 3).
Fig. 3 Typical Housing Cover With Sealant
Install the housing cover within 5 minutes
after applying the sealant.
(7) Install the cover and any identification tag.
Tighten the cover bolts in a criss–cross pattern to 41
N·m (30 ft. lbs.) torque.
(8) Refill the differential with Mopar
Gear Lubricant, or equivalent, to bottom of the fill
plug hole. Refer to the Lubricant Specifications in
this group for the quantity necessary.
(9) Install the fill hole plug and lower the vehicle.
REMOVAL AND INSTALLATION
DRIVE AXLE ASSEMBLY
REMOVAL
(1) Raise and support the vehicle.
CONTOUR OF BEAD
axle.
axle. Refer to Group 5, Brakes, for proper procedures.
from the vehicle wiring harness, if necessary.
tube.
flange, for installation alignment reference.
ets.
steering knuckle. Refer to Group 2, Suspension, for
proper procedures.
bracket.
arms from the axle brackets.
axle. The coil springs will drop with the axle.
INSTALLATION
CAUTION: The weight of the vehicle must be sup-
ported by the springs before suspension arms and
track bar fasteners can be tightened. If the springs
are not at their normal ride position, ride height and
handling could be affected.
the retainer bolts to 21 N·m (16 ft. lbs.) torque.
and position axle under the vehicle.
pads.
in the axle brackets. Loosely install bolts and nuts to
hold suspension arms to the axle brackets.
Hypoid
Loosely install the bolt to hold the track bar to the
axle bracket.
bolts to 23 N·m (17 ft. lbs.) torque.
(2) Position a suitable lifting device under the
(3) Secure axle to device.
(4) Remove the wheels and tires.
(5) Remove the brake rotors and calipers from the
(6) Disconnect the wheel sensor wiring harness
(7) Disconnect the vent hose from the axle shaft
(8) Mark the propeller shaft and yoke, or pinion
(9) Remove propeller shaft.
(10) Disconnect stabilizer bar links at the axle.
(11) Disconnect shock absorbers from axle brack-
(12) Disconnect track bar.
(13) Disconnect the tie rod and drag link from the
(14) Disconnect the steering damper from the axle
(15) Disconnect the upper and lower suspension
(16) Lower the lifting device enough to remove the
(17) Remove the coil springs from the axle.
(1) Install the springs and retainer clips. Tighten
(2) Support the axle on a suitable lifting device
(3) Raise the axle and align it with the spring
(4) Position the upper and lower suspension arms
(5) Connect the vent hose to the axle shaft tube.
(6) Connect the track bar to the axle bracket.
(7) Install the shock absorbers and tighten the
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