Chevrolet Silverado / GMC Sierra. Service manual — part 1442

Axles) or Differential Replacement (10.5 Inch, 11.5 Inch Axle).

15. Fill the axle with lubricant. Use the proper fluid. Refer to Rear Axle Lubricant

Replacement (8.6 Inch Axle) or Rear Axle Lubricant Replacement (9.5 Inch LD
Axle) or Rear Axle Lubricant Replacement (10.5 Inch Axle).

16. Lower the vehicle.

DRIVE PINION AND RING GEAR REPLACEMENT (10.5 INCH AXLE)

Removal Procedure

1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .

2. Remove the differential assembly. Refer to Differential Replacement (8.6, 9.5/9.5LD

Inch Axles) or Differential Replacement (10.5 Inch, 11.5 Inch Axle).

3. Remove the pinion gear bearing retainer. Refer to Drive Pinion Housing and/or Seal

Replacement.

4. Remove the pinion and the pinion bearings. Refer to Drive Pinion Housing and/or Seal

Replacement.

2008 Chevrolet Silverado 1500

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

Fig. 153: Ring Gear Bolts (10.5 Inch Axle)
Courtesy of GENERAL MOTORS CORP.

5. Remove the ring gear bolts. Discard the bolts.

6. Remove the ring gear from the differential. Drive the gear off with a brass drift if necessary.

Installation Procedure

NOTE:

Refer to Ring Gear Removal Notice .

2008 Chevrolet Silverado 1500

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

Fig. 154: Aligning Differential Case Arrows
Courtesy of GENERAL MOTORS CORP.

1. If the differential case has become separated, assemble the differential case by aligning the

two arrows inside the differential case as shown.

2. Install the ring gear to the differential case.

IMPORTANT: The mating surface of the ring gear and the differential case

must be clean and free of burrs before installing the ring
gear.

2008 Chevrolet Silverado 1500

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

Fig. 155: Ring Gear Bolts (10.5 Inch Axle)
Courtesy of GENERAL MOTORS CORP.

3. Install the new ring gear bolts.

Hand start each bolt to ensure that the ring gear is properly installed to the differential case.

4. Tighten the new ring gear bolts. Tighten the ring gear bolts alternately and in stages,

gradually pulling the ring gear onto the differential case.

Tighten: Tighten the ring gear bolts in sequence to 165 N.m (122 lb ft).

NOTE:

Refer to Fastener Notice .

2008 Chevrolet Silverado 1500

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