Rear Axle Shaft Replacement (8.6 Inch Axle W/RPO JL4)

Rear Axle Shaft Replacement (8.6 Inch Axle W/RPO JL4)


Special Tools
* J 2619-01 Slide Hammer
* J 45859 Axle Remover



Removal Procedure





1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation (Service and Repair) .
3. Remove the brake caliper. Refer to Rear Brake Caliper Replacement .
4. Remove the rear cover and the gasket. Refer to Rear Axle Housing Cover and Gasket Replacement (8.6 Inch Axle) (Rear Axle Housing Cover and Gasket Replacement (8.6 Inch Axle))Rear Axle Housing Cover and Gasket Replacement (9.75, 10.5 and 10.75 Inch Axles) (Rear Axle Housing Cover and Gasket Replacement (9.75, 10.5 and 10.75 Inch Axles)) .
5. Remove the pinion shaft locking bolt.




6. Remove the pinion shaft.




7. Push the flange of the axle shaft (1) toward the differential.
Important: It may be necessary to tap the axle shaft toward the differential with a soft faced mallet to obtain the clearance needed to remove the C-lock.



8. Remove the C-lock (4) from the button end of the axle shaft (1).

Important: When removing the axle shaft, do not rotate the shaft. Rotating the shaft will misalign the gears. Misaligned the gears will make the assembly difficult.


9. Remove the axle shaft (1) from the housing (5) by pulling the axle shaft away from the differential.




10. If the axle is difficult to remove, use the J 45859 (1) and the J 2619-01 (2) to remove the axle shaft from the housing.



Installation Procedure






Important: Carefully insert the axle shaft in order to not damage the seal.


1. Install the axle shaft (1) into the rear axle housing (5).
2. Slide the axle shaft (1) into place allowing the splines to engage the differential side gear.
It may be necessary to tap the end of the axle shaft with a soft faced mallet as it is being installed to seat the wheel speed sensor ring on the axle.
3. Place the lock (4) on the button end of the axle shaft (1).
4. Pull the shaft flange outward in order to seat the lock in the differential gear.




5. Align the hole in the pinion shaft with the bolt hole in the differential case.

Notice: Refer to Fastener Notice .

6. Install the new pinion shaft locking bolt.

Tighten the pinion shaft locking bolt to 36 N.m (27 lb ft).

7. Install the rear cover and the gasket. Refer to Rear Axle Housing Cover and Gasket Replacement (8.6 Inch Axle) (Rear Axle Housing Cover and Gasket Replacement (8.6 Inch Axle))Rear Axle Housing Cover and Gasket Replacement (9.75, 10.5 and 10.75 Inch Axles) (Rear Axle Housing Cover and Gasket Replacement (9.75, 10.5 and 10.75 Inch Axles)) .
8. Install the brake caliper. Refer to Rear Brake Caliper Replacement .
9. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation (Service and Repair) .
10. Fill the rear axle. Refer to Rear Axle Lubricant Replacement (8.6 Inch Axle) (Rear Axle Lubricant Replacement (8.6 Inch Axle))Rear Axle Lubricant Replacement (9.75, 10.5 and 10.75 Inch Axles) (Rear Axle Lubricant Replacement (9.75, 10.5 and 10.75 Inch Axles)) .
11. Lower the vehicle.