Chevrolet Silverado / GMC Sierra. Service manual — part 1420

Fig. 75: Removing Axle Shaft Using J 45859 & J 2619-01
Courtesy of GENERAL MOTORS CORP.

13. Using the J 45859 and the J 2619-01 , remove the Axle shaft from the differential housing.

Installation Procedure

IMPORTANT: If the rear axle shaft is difficult to remove, perform the

following service procedure.

2008 Chevrolet Silverado 1500

2008 Driveline/Axle Rear Drive Axle - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 76: Axle Shaft Housing & Components
Courtesy of GENERAL MOTORS CORP.

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.

3. On axles without a locking differential, place the lock (4) on the button end of the axle shaft

(1).

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 On axles with a locking differential, keep the pinion shaft partially withdrawn.

IMPORTANT: Carefully insert the axle shaft in order to not damage the

seal.

2008 Chevrolet Silverado 1500

2008 Driveline/Axle Rear Drive Axle - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 77: View Of Axle Shaft, Lock & Thrust Block
Courtesy of GENERAL MOTORS CORP.

5. On axles with a locking differential, place the C-lock (1) on the axle shaft (3) so that the

ends are flush with the thrust block (2).

6. Pull the shaft flange outward in order to seat the lock in the differential gear.

2008 Chevrolet Silverado 1500

2008 Driveline/Axle Rear Drive Axle - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 78: View Of Pinion Shaft Locking Bolt
Courtesy of GENERAL MOTORS CORP.

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

8. Install the new pinion shaft locking bolt.

Tighten:

For the 8.6 inch axle, tighten the pinion shaft locking bolt to 36 N.m (27 lb ft).

For the 9.5/9.6LD inch axle, tighten the pinion shaft locking bolt to 50 N.m (37 lb ft).

9. Install the rear cover and the gasket. Refer to Rear Axle Housing Cover and Gasket

NOTE:

Refer to Fastener Notice .

2008 Chevrolet Silverado 1500

2008 Driveline/Axle Rear Drive Axle - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado