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Home >> Chevy Truck >> 2009 >> Silverado 3500 4WD V8-6.0L >> Repair and Diagnosis >> Transmission and Drivetrain >> Drive Axles, Bearings and Joints >> Axle Shaft Assembly >> Axle Shaft >> Service and Repair

Axle Shaft: Service and Repair



Rear Axle Shaft Replacement

Special Tools

* J 2619-01 - Slide Hammer W/1/2 x 13 Adapter
* J 45859 - Axle Shaft Remover/Installer



Removal Procedure

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (Service and Repair) .
2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation (Service and Repair) .
3. Remove the wheel speed sensor.

* For Hybrid vehicles, refer toRear Wheel Speed Sensor Replacement () .
* For non Hybrid vehicles (1500 series), refer toRear Wheel Speed Sensor Replacement (Rear Wheel Speed Sensor Replacement) .
* For non Hybrid vehicles (2500 series), refer toRear Wheel Speed Sensor Replacement (Rear Wheel Speed Sensor Replacement) .

4. Remove the rear brake drum, if equipped. Refer to Brake Drum Replacement (Removal and Replacement) .
5. Remove the brake caliper mounting bracket, if equipped. Refer to Rear Brake Caliper Bracket Replacement (JD9) (Rear Brake Caliper Bracket Replacement (JD9))Rear Brake Caliper Bracket Replacement (JH6, JH7) (Rear Brake Caliper Bracket Replacement (JH6, JH7)) .
6. Remove the rear axle housing cover and gasket. Refer to Rear Axle Housing Cover and Gasket Replacement (8.6, 9.5 Inch Axles) (Rear Axle Housing Cover and Gasket Replacement (8.6, 9.5 Inch Axles))Rear Axle Housing Cover and Gasket Replacement (10.5/11.5 Inch Axle) (Rear Axle Housing Cover and Gasket Replacement (10.5/11.5 Inch Axle)) .




7. Remove the and discard differential pinion gear shaft bolt.


Note

For those vehicles NOT equipped with the locking differential proceed to step 8. If the vehicle is equipped WITH the locking differential, proceed to step 9 and 10.





8. Remove the differential pinion gear shaft.






Note

Rotate the differential case until the differential pinion shaft just touches the rear axle housing.

9. Remove the differential pinion gear shaft part way from the differential case.
10. Use a screw driver, or similar tool to rotate the lock (1) until the lock (1) aligns with the thrust block (2).




11. Push in on the rear axle shaft (2) and remove the lock (1).






Note

If the rear axle shaft is difficult to remove, proceed to step 14.

12. Remove the rear drum brake axle shaft (2) from the rear axle assembly (1), if equipped.






Note

If the rear axle shaft is difficult to remove, proceed to step 14.

13. Remove the rear disc brake axle shaft (1) from the rear axle assembly (2), if equipped




14. Using the J 2619-01 - hammer (2) and the J 45859 - remover/installer (1), remove the rear axle shaft from the rear axle assembly.
15. Replace the rear axle shaft seal and or bearing, if needed. Refer to Rear Axle Shaft Seal and/or Bearing Replacement (Rear Axle Shaft Seal and/or Bearing Replacement) .



Installation Procedure



Note

When installing the rear axle shaft, ensure that the seal is not damaged.





1. Install the disc brake axle shaft (1) in the rear axle assembly (2), if equipped.




2. Install the drum brake axle shaft (2) in the rear axle assembly (2), if equipped.






Note

In steps 3 and 4, pull out on the axle shaft after the lock has been installed to ensure that the lock is seated properly.

3. Install the lock (1) in the rear axle (2), without a locking differential.




4. Install the lock (1) on the rear axle shaft (3), with a locking differential.






Note

On axles with a locking differential, keep the differential pinion shaft slightly withdrawn.

5. Install the differential pinion gear shaft.




Caution: Refer to Fastener Caution (Fastener Caution) .
6. Install the NEW differential pinion gear shaft bolt and tighten to 34 Nm (25 lb ft) for the 8.6 inch axle and50 Nm (37 lb ft) for the 9.5 inch axle.
7. Install the rear axle housing cover and gasket. Refer to Rear Axle Housing Cover and Gasket Replacement (8.6, 9.5 Inch Axles) (Rear Axle Housing Cover and Gasket Replacement (8.6, 9.5 Inch Axles))Rear Axle Housing Cover and Gasket Replacement (10.5/11.5 Inch Axle) (Rear Axle Housing Cover and Gasket Replacement (10.5/11.5 Inch Axle)) .
8. Install the wheel speed sensor.

* For Hybrid vehicles, refer toRear Wheel Speed Sensor Replacement () .
* For non Hybrid vehicles (1500 series), refer toRear Wheel Speed Sensor Replacement (Rear Wheel Speed Sensor Replacement) .
* For non Hybrid vehicles (2500 series), refer toRear Wheel Speed Sensor Replacement (Rear Wheel Speed Sensor Replacement) .

9. Install the brake caliper mounting bracket, if equipped. Refer to Rear Brake Caliper Bracket Replacement (JD9) (Rear Brake Caliper Bracket Replacement (JD9))Rear Brake Caliper Bracket Replacement (JH6, JH7) (Rear Brake Caliper Bracket Replacement (JH6, JH7)) .
10. Install the rear brake drum, if equipped. Refer to Brake Drum Replacement (Removal and Replacement) .
11. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation (Service and Repair) .
12. Remove the support and lower the vehicle. Refer to Lifting and Jacking the Vehicle (Service and Repair) .


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