Locking Differential Disassemble (10.5 Inch Axle)

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Remove the differential assembly. Refer to Differential Replacement (8.6 Inch, 9.5 Inch Axles) or Differential Replacement (9.75 Inch Axle) or Differential Replacement (10.5 Inch, 11.5 Inch Axle) in Rear Drive Axle.
Remove the ring gear. Refer to Drive Pinion and Ring Gear Replacement (8.6 Inch, 9.5 Inch, 11.5 Inch Axles) or Drive Pinion and Ring Gear Replacement (9.75 Inch Axle) or Drive Pinion and Ring Gear Replacement (10.5 Inch Axle) in Rear Drive Axle.
Remove the differential side bearings. Refer to Differential Side Bearings Replacement (All Except 9.75 Inch Axle) or Differential Side Bearings Replacement (9.75 Inch Axle) in Rear Drive Axle.
Remove the differential case screws.

Fig 1: Removing Differential Case Screws

GM882811

Courtesy of GENERAL MOTORS CORP.

Separate the case halves by performing the following steps:
1. Pry the case halves apart at the yoke hole location.
2. Hold the locking differential cam, side gear and clutch plate assembly in the right side case half.

Fig 2: Separating Case Halves

GM882813

Courtesy of GENERAL MOTORS CORP.

Remove the governor assembly.

Fig 3: Removing Governor Assembly

GM882817

Courtesy of GENERAL MOTORS CORP.

Remove the latching bracket assembly.

Fig 4: Removing Latching Bracket Assembly

GM882818

Courtesy of GENERAL MOTORS CORP.

Remove the thrust block.

Fig 5: Removing Thrust Block

GM882823

Courtesy of GENERAL MOTORS CORP.

Remove the following components from the differential case:
- The locking differential spider
- The differential pinion gears
- The differential pinion gear thrust washers

Fig 6: Removing Differential Case Components

GM882827

Courtesy of GENERAL MOTORS CORP.

Mark the differential spider, the differential pinion gears and the differential pinion gears accordingly in order to re-assemble the components correctly into the differential case.
Remove the locking differential side gear.

Fig 7: Removing Locking Differential Side Gear

GM882828

Courtesy of GENERAL MOTORS CORP.

Remove the left side clutch plates and the guide clips.

Fig 8: Removing Left Side Clutch Plates & Guide Clips

GM882829

Courtesy of GENERAL MOTORS CORP.

Remove the left side gear thrust washer.

Fig 9: Removing Left Side Gear Thrust Washer

GM882831

Courtesy of GENERAL MOTORS CORP.

Remove the right side cam unit and clutch plate assembly.

Fig 10: Removing Right Side Cam Unit & Clutch Plate Assembly

GM882834

Courtesy of GENERAL MOTORS CORP.

Remove the right side locking differential clutch disc thrust washer.

Fig 11: Removing Right Side Locking Differential Clutch Disc Thrust Washer

GM882850

Courtesy of GENERAL MOTORS CORP.

Disassemble the left side differential side gear and clutch disc assembly. Refer to Locking Differential Clutch Disc Assembly - Disassemble (8.6 Inch Axle) or Locking Differential Clutch Disc Assembly - Disassemble (9.5 Inch Axle) or Locking Differential Clutch Disc Assembly - Disassemble (10.5 Inch Axle) or Locking Differential Clutch Disc Assembly - Disassemble (11.5 Inch Axle) .
Disassemble the right side locking differential side gear cam unit and clutch disc assembly. Refer to Locking Differential Cam Unit Disassemble (8.6 Inch Axle) or Locking Differential Cam Unit Disassemble (9.5 Inch Axle) or Locking Differential Cam Unit Disassemble (10.5 Inch Axle) or Locking Differential Cam Unit Disassemble (11.5 Inch Axle) .