Chevrolet Silverado / GMC Sierra. Service manual — part 1337

Fig. 62: Axle Shaft Inner Flange - Front Drive Axle
Courtesy of GENERAL MOTORS CORP.

1. If only the left side inner axle shaft was removed, install the shaft by performing the

following steps:

1. Install the inner axle shaft into the differential case side gear using a soft-faced mallet

until the retaining ring on the inner axle shaft is fully seated within the groove in the
differential case side gear. Pull back on the inner axle shaft to ensure that the inner
axle shaft is properly retained in the differential case side gear.

NOTE:

Refer to Fastener Notice .

2008 Chevrolet Silverado 1500

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

2. Connect the wheel drive shaft to the inner axle shaft.

3. Install the wheel drive shaft inboard flange to inner axle shaft bolts.

Tighten: Tighten the wheel drive shaft inboard flange to inner axle shaft bolts to 79
N.m (58 lb ft).

2. If the right side inner axle shaft and/or housing was removed, install the shaft and/or housing

following the steps below.

3. Install the new inner axle shaft bearing and the seal to the axle housing. Refer to Front

Drive Axle Inner Shaft Seal and Inner Shaft Bearing Replacement.

2008 Chevrolet Silverado 1500

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

Fig. 63: Axle Shaft & Inner Axle Shaft Housing - Front Drive Axle (8.25 S4WD and
9.25 Axles)
Courtesy of GENERAL MOTORS CORP.

4. Install the inner axle shaft (2) into the inner axle shaft housing (1).

Carefully tap the inner axle shaft into place with a soft-faced mallet.

5. Place the inner axle shaft housing on end so that the splines of the inner axle shaft is facing

up.

Fig. 64: View Of Inner Axle Shaft & Components
Courtesy of GENERAL MOTORS CORP.

2008 Chevrolet Silverado 1500

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

6. For the 8.25 inch axle, install the following components into the inner axle housing:

1. Clamp the inner axle shaft housing (4) in a vise. Clamp only on the mounting flange.

2. Axle shaft tabbed thrust washer (6)

3. Axle shaft thrust washer (7)

4. The axle shaft snap ring (8)

5. The shifter connector gear (9)

6. The shifter fork (11)

7. The shifter fork rod (10)

8. The shifter fork spring (12)

9. Inner axle shaft housing gasket (5)

IMPORTANT: Use chassis grease in order to hold the thrust washer in

place.

2008 Chevrolet Silverado 1500

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