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Chevrolet Silverado / GMC Sierra. Manual - part 1343
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.
9. If both the left side bearing and seal was removed, perform the following step. Install the
front differential carrier assembly. Refer to Differential Carrier Assembly Replacement
(1500 FWD) or Differential Carrier Assembly Replacement (2500 4WD).
Fig. 84: Installing Seal Using J 45225 - Front Drive Axle
Courtesy of GENERAL MOTORS CORP.
2008 Chevrolet Silverado 1500
2008 Driveline/Axle Front Drive Axle - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
10. If only the left side seal was removed, perform the following step. Install the seal using the J
45225 and a soft-faced mallet. See Special Tools.
Tap only on the center portion of the J 45225 in order to drive the seal in evenly. See
Special Tools.
Fig. 85: Axle Shaft Inner Flange - Front Drive Axle
Courtesy of GENERAL MOTORS CORP.
11. If only the left side seal was removed, perform the following step. 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.
2008 Chevrolet Silverado 1500
2008 Driveline/Axle Front Drive Axle - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Pull back on the inner axle shaft to ensure that the inner axle shaft is properly retained in the
differential case side gear.
12. If servicing the 8.25 inch axle, install the shock module. Refer to Shock Absorber and
Spring Assembly Replacement .
13. If only the left side seal was removed, perform the following step. Install the wheel drive
shaft to the inner axle shaft.
14. If only the left side seal was removed, perform the following step. Install the wheel drive
shaft to the inner axle shaft bolts.
Tighten: Tighten the wheel drive shaft to inner axle shaft bolts to 79 N.m (58 lb ft).
15. Fill the differential carrier assembly. Use the correct fluid. Refer to Front Axle Lubricant
Replacement.
16. Lower the vehicle.
FRONT DRIVE AXLE ACTUATOR REPLACEMENT
Removal Procedure
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
2. Remove the engine shield, if equipped. Refer to Engine Shield Replacement .
3. Disconnect the electrical connector from the actuator.
NOTE:
Refer to Fastener Notice .
2008 Chevrolet Silverado 1500
2008 Driveline/Axle Front Drive Axle - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Fig. 86: View Of Actuator & Components
Courtesy of GENERAL MOTORS CORP.
4. Remove the actuator (1) for the 8.25 inch axle (2) or (3) for the 9.5 inch axle (4) by turning
the actuator counterclockwise.
Installation Procedure
2008 Chevrolet Silverado 1500
2008 Driveline/Axle Front Drive Axle - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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