Locking Differential Disassemble: Disassembly

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Locating Governor Bushing

Courtesy of GENERAL MOTORS CORP.

Remove the governor bushing using the J 26252 . See Special Tools and Equipment .
Remove the governor assembly.
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.

Fig 2: Latching Bracket Assembly

Courtesy of GENERAL MOTORS CORP.

Remove the latching bracket assembly bushing using the J 26252 . See Special Tools and Equipment .
To aid in the removal of the latching bracket assembly, turn the side gear as necessary to position the latching bracket assembly between two of the side gear teeth.
Remove the pinion shaft lock bolt.
Remove the pinion shaft.
Remove the differential pinion gears and the thrust washers.
Rotate the pinion gears and roll the pinion gears and the thrust washers out of the case through the differential window.

Mark the pinion gears and thrust washers accordingly for re-assembly.
Remove the thrust block.
Remove the right side gear and clutch discs assembly.
Remove the right side shim.

Fig 3: View Of Left Side Gear Cam Unit & Clutch Disc Assembly

Courtesy of GENERAL MOTORS CORP.

Remove the left side gear (cam unit) and clutch discs assembly.

Fig 4: View Of Left Side Gear Thrust Washer

Courtesy of GENERAL MOTORS CORP.

Remove the left side gear thrust washer.