Differential Carrier Assembly Replacement 4.2L In-Line Six Cylinder
Removal Procedure
- Remove the front tires and wheels. Refer to
Tire and Wheel Removal and Installation
in Front Suspension.
- Remove
the engine protection shield. Refer to
Engine Protection Shield Replacement
in Body and Accessories.
- Drain the engine of oil.
- Drain the front drive axle. Refer to
Front Axle Lubricant Replacement
.
- Remove the front propeller shaft from the front axle.
- Wrap the bearing caps with tape in oreder to prevent the loss of the roller
bearings.
- Remove the ABS wiring harness from the retainers.
- Remove the brake hose retaining bolts.
- Remove the front drive axle vent hose.
- Remove the left and right upper ball pinch
bolt and nut.
- Remove the left and right upper shock module
retaining nuts.
- Remove the front stabilizer bar links from
the frame. Refer to
Stabilizer Shaft Link Replacement
in Front Suspension.
- Remove the shock module from the frame.
- Remove the steering knuckle from the upper control arm.
- Remove the left and right front wheel drive shafts from the front drive
axle.
- Relocate and secure the left and right front
wheel drive shafts to the frame.
- Using mechanics wire or hook, support the
front shock modules and steering knuckle.
- Remove the power steering gear assembly.
Refer to
Steering Gear Replacement
in
Power Steering Systems
- Remove the inner shaft from the front drive
axle. Refer to
Front Drive Axle Inner Shaft Replacement
.
- Remove the front drive axle from the oil
pan.
- Secure the front drive axle to the frame.
- Remove the oil pan. Refer to
Oil Pan Replacement
in 4.2L Engine Mechanical.
- Remove the front drive axle from the vehcile.
Installation Procedure
- Install the front drive axle to the frame.
- Secure the front drive axle to the frame.
- Install the oil pan. Refer to
Oil Pan Replacement
in 4.2L Engine Mechanical.
- Remove the front drive axle from the frame.
- Install the front drive axle to the oil pan.
Notice: Refer to Fastener Notice in the Preface section.
- Install the front drive axle mounting bolts
Tighten
Tighten the front drive axle mounting bolts to 85 N·m (63 lb ft).
- Install the inner axle to the front drive
axle. Refer to
Front Drive Axle Inner Shaft Replacement
.
- Install the power steering gear. Refer to
Steering Gear Replacement
in Power Steering Systems
- Remove the left and right front wheel drive shafts from the frame.
- Remove the left, right shock module and steering knuckles from their supports.
- Install the right and left front wheel drive shafts to the front drive
axle.
- Install the vent hose to the front drive axle.
- Install the left and right shock modules to the frame.
- Install the upper shock module retaining nuts.
Tighten
Tighten the upper shock module mounting bolts to 100 N·m (74 lb ft).
- Install the steering knuckle to the upper control arm.
- Install the upper ball joint pinch bolt and nut.
Tighten
Tighten the upper shock module mounting bolts to 40 N·m (30 lb ft).
- Install the front stabilizer bar links to
the frame. Refer to
Stabilizer Shaft Link Replacement
in Front Suspension.
- Install the brake hose retaining bolts.
Tighten
Tighten the brake hose retaining bolt to 25 N·m (18 lb ft).
- Inistall the right and left ABS wiring harness
in the retainers.
- Fill the front drive axle with the proper fluid. Refer to
Front Axle Lubricant Replacement
.
- Fill the engine with the proper amount motor oil. Refer to
Approximate Fluid Capacities
in Maintance and Lubrication.
- Install
the engine protection shield. Refer to
Engine Protection Shield Replacement
in Body and Accessories.
- Install the tires and wheels. Refer to
Tire and Wheel Removal and Installation
in Front Suspension.
Differential Carrier Assembly Replacement 4.8L, 5.3L,6.0L V-8
Removal Procedure
- Remove the tire and wheel assembly. Refer to
Tire and Wheel Removal and Installation
in Tires and Wheels.
- Remove the engine protection shield. Refer
to
Engine Protection Shield Replacement
in
Frame and Underbody.
- Drain the front differential. Refer to
Front Axle Lubricant Replacement
.
- Remove the left and right antilock brake
system (ABS) wiring harnesses from the retainers.
- Disconnect the left and right wheel speed
sensor electrical connectors.
- Remove the brake hose retaining bolt from
the frame. Left shown, right similar.
- Disconnect the sway bar link pins from the
lower control arms. Right shown, left similar.
- Remove the steering gear. Refer to
Steering Gear Replacement
in Power Steering System.
- Place an adjustable jack stand under the lower control arm. Left shown,
right similar.
- Remove the upper ball joint pinch bolt and
nut. Right shown, left similar.
- Remove the steering knuckle from the upper control arm. Left shown, right
similar.
- Remove the upper shock module bolts from
the frame.
- Lower the jack stand to allow removal of the steering knuckle from the
upper control arm.
- Remove the steering knuckle from the upper control arm.
Important: In the following service procedures, it is
not necessary to remove the wheel drive shaft from the steering knuckles.
- Using a brass drift or equivalent, remove the left wheel drive shaft from the
front differential.
- Using a brass drift or equivalent, remove the right wheel drive shaft from the
front differential.
- Position the wheel drive shafts to the side.
Important: DO NOT allow the shock modules and steering
knuckle to hang without supporting them.
- Using mechanics wire or metal hooks, secure the shock modules to the frame.
- Remove the jack stand.
Important: It is not necessary to completely remove
the front propeller shaft from the vehicle.
- Remove the front propeller shaft from the front pinion yoke. Refer to
Front Propeller Shaft Replacement
in Propeller Shaft.
- Relocate the propeller shaft to the side and secure.
- Remove the inner axle shaft. Refer to
Front Drive Axle Inner Shaft Replacement
.
- Remove the mounting bolts for the front differential assembly.
- Remove the front differential assembly from the oil pan.
- Secure the front differential to the frame.
- Remove the oil pan assembly. Refer to
Oil Pan Replacement
in Engine Mechanical - 5.3L.
- Remove the front differential from the vehicle.
Installation Procedure
- Position the front differential assembly
on the frame.
- Secure the front differential assembly.
- Install the oil pan assembly. Refer to
Oil Pan Replacement
in Engine Mechanical - 5.3L.
- Position the front differential on the oil pan.
Notice: Refer to Fastener Notice in the Preface section.
- Install the differential bolts.
Tighten
Tighten the bolts to 85 N·m (63 lb ft).
- Install the inner axle shaft. Refer to
Front Drive Axle Inner Shaft Replacement
in Front Drive Axle.
- Position the adjustable jack stand under the lower control arm.
- Remove the shock module from the secure position.
- Install the right wheel drive shaft in the inner drive shaft.
- Rinse the jack stand to allow the installation of the steering knuckle
in the upper control arm. Right side shown, left similar.
- Install the upper ball joint pinch nut and
bolt.
Tighten
Tighten the bolt and nut to 40 N·m
(30 lb ft).
- Remove the jack stand from under the lower control arm.
- Install the front shock upper retaining
nuts. Right shown, left similar.
Tighten
Tighten the nuts to 45 N·m (33 lb ft).
- Install the steering rack assembly. Refer to
Steering Gear Replacement
in Power Steering System.
- Install the brake hose retaining bolt.
Tighten
Tighten the brake hose retaining bolt to 25 N·m
(18 lb ft).
- Install the sway bar links to the lower
control arm. Refer to
Stabilizer Shaft Link Replacement
in Front Suspension.
- Connect the wheel speed sensors electrical
connectors.
- Install the left and right ABS wiring harnesses
in the retainers.
- Install the front propeller shaft. Refer to
Front Propeller Shaft Replacement
in Propeller Shaft.
- Fill the front differential with fluid. Refer to
Front Axle Lubricant Replacement
.
- Install the engine protection shield. Refer
to
Engine Protection Shield Replacement
in
Frame and Underbody.
- Install the tires and wheels. Refer to
Tire and Wheel Removal and Installation
in Tires and Wheels.