Locking Differential Disassemble (8.6/9.5LD Inch Axles)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Special Tools

J 26252 Positraction Bushing Remover

Remove the ring gear, if necessary. Refer to Drive Pinion and Ring Gear Replacement (10.5 Inch Axle) , Drive Pinion and Ring Gear Replacement (8.6, 9.5LD Inch Axles) .

Fig 1: Locating Governor Bushing

Courtesy of GENERAL MOTORS CORP.

NOTE:

To aid in the removal of the governor assembly, turn the side gear as necessary to position the governor assembly between two of the side gear teeth.

Using the J 26252 remover, remove the governor bushing.

Fig 2: Latching Bracket Assembly

Courtesy of GENERAL MOTORS CORP.

NOTE:

To aid in the removal of the governor assembly, turn the side gear as necessary to position the governor assembly between two of the side gear teeth.

Using the J 26252 remover, remove the latching bracket assembly bushing.
Remove the pinion shaft lock bolt.
Remove the pinion shaft.

NOTE:

Mark the pinion gears and thrust washers accordingly for re-assembly.

Remove the differential pinion gears and the thrust washers by rotate the pinion gears and roll the pinion gears and the thrust washers out of the case through the differential opening.
Remove the thrust block, right side gear and clutch discs assembly and the right side shim.

Fig 3: Left Side Gear Cam Unit And Clutch Disc Assembly

Courtesy of GENERAL MOTORS CORP.

Remove the left side gear cam unit and clutch disc assembly.

Fig 4: Left Side Gear Thrust Washer

Courtesy of GENERAL MOTORS CORP.

Remove the left side gear thrust washer.