Rear Axle Replacement 8.6 Inch Axle
Removal Procedure
- Raise and support the vehicle. Refer to
Lifting and Jacking the Vehicle.
- Remove the rear tires and wheels. Refer to
Tire and Wheel Removal and Installation.
- Remove the vent hose from the rear drive axle.
- Remove the electronic suspension control sensor , if equipped.
- Remove the rear wheel speed sensors from the rear drive axle.
- Remove the rear brake calipers, and relocate to the side. Refer to
Rear Brake Caliper Replacement.
- Drain the rear axle. Refer to
Rear Axle Lubricant Replacement.
- Remove the propeller shaft. Refer to
Electronic Suspension Rear Position Sensor Replacement - Left Side.
- Remove the rear axle tie rod. Refer to
Electronic Suspension Rear Position Sensor Replacement - Right Side.
Important: The stabilizer shaft links do not have removed in the following procedure. Rotate the links upward toward the frame and of the way.
- Remove the rear stabilizer shaft, if equipped. Refer to
Stabilizer Shaft Replacement.
- Remove the rear brake pipe retaining bracket bolt (1).
- Remove the rear brake junction block retaining bolt (2) at the rear axle cover.
- Secure the rear brake pipes to the frame with mechanics wire or equivalent.
- Remove the rear brake pipe from the retaining strap (1).
- Remove the brake pipe retaining bracket bolt (2).
Important: Ensure that the rear drive axle is properly secured to the jack stand.
- Support the rear drive axle with a hydraulic jack stand.
Important: In steps 17 and 18, it is not necessary to remove the control arms. Secure the control arms to the frame with the use of mechanics wire or equivalent.
- Remove the lower control arm bolts from the rear the drive axle. Refer to
Rear Axle Lower Control Arm Replacement.
- Remove the upper control arm bolts from the rear drive axle. Refer to
Rear Axle Upper Control Arm Replacement.
- With the aid of an assistant, lower the drive axle.
- Remove the rear coil springs.
- Lower the rear drive axle assembly.
- Transfer parts , if needed.
Installation Procedure
- Position the rear drive axle assembly under the vehicle.
- With the aide of an assistant, raise the rear drive axle into place.
- Install the rear coil springs on the rear drive axle.
- Install the upper control arms to the rear drive axle. Refer to
Rear Axle Upper Control Arm Replacement.
- Install the lower control arms to the rear drive axle. Refer to
Rear Axle Lower Control Arm Replacement.
- Install the lower shock absorber bolts to the rear drive axle. Refer to
Shock Absorber Replacement.
- Remove the hydraulic jack stand from the rear drive axle assembly.
Notice: Refer to Fastener Notice in the Preface section.
- Install the rear brake pipe retaining bracket bolt (1).
Tighten
Tighten the retaining bracket bolt to 20 N·m (15 lb ft).
- Install the rear brake junction block retaining bolt (2) at the rear axle cover.
Tighten
Tighten the junction block bolt to 20 N·m (15 lb ft).
- Install the brake pipe retaining bracket bolt (2).
Tighten
Tighten the retaining bracket bolt to 20 N·m (15 lb ft).
- Install the rear brake pipe in the retaining strap (1).
- Install rear drive axle the vent hose.
Important: Rotate the stabilizer shaft links down into position to install them.
- Install the rear stabilizer shaft, if equipped. Refer to
Stabilizer Shaft Replacement.
- Install the rear wheel speed sensors.
- Install the rear axle tie rod. Refer to
Rear Axle Tie Rod Replacement.
- Install the rear brake calipers. Refer to
Rear Brake Caliper Replacement.
- Install the rear propeller shaft. Refer to
Rear Propeller Shaft Replacement.
- Install the air level sensors.
- Fill the rear drive axle with fluid. Refer to
Rear Axle Lubricant Replacement.
- Install the rear tires and wheels. Refer to
Tire and Wheel Removal and Installation.
- Remove the supports and lower the vehicle.
- Calibrate the air level control, if needed. Refer to
Suspension Position Calibration.
Rear Axle Replacement 10.5 Inch Axle
Removal Procedure
- Raise and support the vehicle. Refer to
Lifting and Jacking the Vehicle.
- Place jack stands in the front of the vehicle.
- Drain the rear axle of fluid. Refer to
Rear Axle Lubricant Replacement.
- Remove the tires and wheels. Refer to
Tire and Wheel Removal and Installation.
- Remove the rear propeller shaft. Refer to
Rear Propeller Shaft Replacement.
- Remove the vent hose from the rear axle.
- Remove the mounting bolt and the rear brake junction block from the rear axle housing.
- Remove the retaining bolt for the rear brake line from the rear axle housing.
- Remove the rear wheel speed sensors from the rear axle. Refer to
Rear Wheel Speed Sensor Replacement.
- Remove the rear brake calipers and relocate to the side. Refer to
Rear Brake Caliper Replacement.
- Remove the rear park brake cables from the rear brake calipers.
- Remove the rear shock absorber lower mounting bolts and nuts from the mounting brackets. Refer to
Shock Absorber Replacement.
- Remove the stabilizer shaft from the rear axle, if equipped. Refer to
Stabilizer Shaft Replacement.
- Support the rear axle assembly with a suitable hydraulic jack stand.
Important: In the following service procedure, it is not necessary to remove the rear drive axle U-bolts. Allow the U-bolts to remain on the rear leaf springs.
- Remove the U-bolt nuts, anchor plates and spacers from the rear leaf springs. Refer to
Leaf Spring Replacement.
- With the aide of an assistant, lower the rear axle assembly and remove from the vehicle.
- Transfer parts, if needed.
Installation Procedure
- With the aide of an assistant, lift the rear drive axle into place.
- Align the U-bolts, nuts, anchor plates and spacers from the rear leaf springs to the rear drive axle. Refer to
Leaf Spring Replacement.
- Install the rear shock absorber lower mounting bolts and nuts in the mounting brackets. Refer to
Shock Absorber Replacement.
- Remove the hydraulic jack from the rear drive axle.
Notice: Refer to Fastener Notice in the Preface section.
- Install the rear brake junction block and mounting bolt on the rear axle housing.
Tighten
Tighten the mounting bolt to 22 N·m (16 lb ft).
- Install the rear brake line retaining bolt on the rear axle housing.
Tighten
Tighten the mounting bolt to 22 N·m (16 lb ft).
- Install the rear drive axle vent hose.
- Install the rear stabilizer shaft on the rear drive axle. Refer to
Stabilizer Shaft Replacement.
- Install the rear wheel speed sensors. Refer to
Rear Wheel Speed Sensor Replacement.
- Install the rear brake calipers. Refer to
Rear Brake Caliper Replacement.
- Install the rear park brake cables on the rear brake calipers.
- Install the rear propeller shaft. Refer to
Rear Propeller Shaft Replacement.
- Fill the rear drive axle with fluid. Refer to
Rear Axle Lubricant Replacement.
- Install the tires and wheels. Refer to
Tire and Wheel Removal and Installation.
- Remove the jack stands from the from of the vehicle.
- Remove the supports and lower the vehicle.