Grand Cherokee 4WD V8-318 5.2L VIN Y MFI (1994)
Axle Shaft: Service and Repair
Axle Assembly Removal and Installation
Front Axle
DRIVE AXLE ASSEMBLY REPLACEMENT
REMOVAL
(1)
Raise vehicle and position support stands under the frame rails behind the lower suspension arm brackets.
(2)
Remove the front wheels.
(3)
Remove the brake components and ABS brake sensor (if equipped).
(4)
On 4WD vehicles, disconnect the axle vent hose.
(5)
On 4WD vehicles, mark the drive shaft yoke and axle pinion yoke for alignment reference. Disconnect the drive shaft from the axle.
(6)
Disconnect the stabilizer bar link at the axle bracket.
(7)
Disconnect the shock absorbers from axle bracket.
(8)
Disconnect the track bar from the axle bracket.
(9)
Disconnect the tie rod and drag link from the steering knuckle. Disconnect the steering dampener from the axle bracket.
(10)
Support the axle with a hydraulic jack under the differential.
(11)
Disconnect the upper and lower suspension arms from the axle bracket.
(12)
Lower the jack enough to remove the axle. The coil springs will drop with the axle.
(13)
Remove the coil springs from the axle bracket.
INSTALLATION
CAUTION: Suspension components with rubber bushings should be tightened with the vehicle at normal height. It is important to have
the springs supporting the weight of the vehicle when the fasteners are torqued. If springs are not at their normal ride position, vehicle
ride comfort could be affected and premature bushing wear may occur. Rubber bushings must never be lubricated.
(1)
Install the springs, retainer clip and bolts.
(2)
Support the axle on a hydraulic jack under the differential. Position the axle under the vehicle.
(3)
Raise the axle with a floor jack and align it with the spring pads.
(4)
Position the upper and lower suspension arm at the axle bracket. Install bolts and nuts finger tighten.
(5)
Connect the track bar to the axle bracket and install the bolt.
Do not tighten at this time.
It is important that the springs support the weight of the vehicle when the track bar is connected. If the springs are not at their usual
position, the vehicle ride comfort could be affected.
(6)
Install the shock absorber and tighten nuts to 27 Nm (20 ft. lbs.) torque.
(7)
Install the stabilizer bar link to the axle bracket. Tighten the nut to 95 Nm (70 ft. lbs.) torque.
(8)
Install the drag link and tie rod to the steering knuckles and tighten the nuts to 47 Nm (35 ft. lbs.) torque. Install the steering dampener to
the axle bracket and tighten the nut to 75 Nm (55 ft. lbs.) torque.
(9)
Install the brake components and ABS brake sensor (if equipped).
(10)
On 4WD vehicles, connect the vent hose to the tube fitting.
(11)
On 4WD vehicles, align the reference marks and connect the drive shaft to the axle yoke. Tighten the U-joint clamp bolts to 19 Nm (14 ft.
lbs.) torque.
(12)
Check differential lubricant and add if necessary
(13)
Install the wheel and tire.
(14)
Remove the supports and lower the vehicle.
(15)
Tighten the upper suspension arm nuts to 75 Nm (55 ft. lbs.) torque. Tighten the lower suspension arm nuts to 115 Nm (85 ft. lbs.)
torque.
(16)
Tighten the track bar bolt at the axle bracket to 75 Nm (55 ft. lbs.) torque.
(17)
Check the front wheel alignment.
Rear Axle
1. Raise and support vehicle, then remove wheels.
2. Remove brake components from axle, then disconnect vent hose from axle shaft tube.
3. Mark front propeller shaft and pinion yokes for installation alignment reference. Disconnect propeller shaft from axle.
4. Disconnect the following components from axle:
a. Stabilizer bar link.
b. Rear propeller shaft.
c. Shock absorbers.
d. ABS brake sensors.
e. Track bar at axle bracket.