Differential Carrier Assembly Assemble

Special Tools

• J 8092  Universal Driver Handle - 3/4 in - 10
• J 8614-01  Flange and Pulley Holding Tool
• J 23423-A  Case Bearing Race Installer
• J 33782  Pinion Oil Seal Installer
• J 33785  Pinion Bearing Installer
• J 45224  Side Bearing Adjuster
• J 45232  Differential Bearing Adjuster Needle Bearing Installer - LH

For equivalent regional tools, refer to Special Tools .

1. Install the selective shim between the inner pinion bearing and the shoulder of the pinion gear.
Fig 1: Installing Inner Pinion Bearing Onto Pinion Gear
Courtesy of GENERAL MOTORS COMPANY
2. Install the inner pinion bearing (2) onto the pinion gear using the J 33785  installer (1).
Fig 2: View Of Collapsible Spacer & Pinion
Courtesy of GENERAL MOTORS COMPANY
3. Install the new collapsible spacer onto the pinion gear.
4. Lubricate the inner and the outer pinion bearings with the proper axle lubricant. Refer to Fluid and Lubricant Recommendations .
Fig 3: Outer Pinion Bearing
Courtesy of GENERAL MOTORS COMPANY
5. Install the outer pinion bearing.
Fig 4: Pinion Oil Seal Installer
Courtesy of GENERAL MOTORS COMPANY
6. Install the oil seal by doing the following:
   1. Position the oil seal in the bore.
   2. Install the J 33782  installer over the oil seal.
   3. Strike the J 33782  installer with a hammer until the seal flange seats on the axle housing surface.
7. Install the pinion gear, the selectable shim with inner pinion bearing and the new collapsible spacer, into the left differential carrier case.
8. Apply sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent, to the splines of the pinion yoke.
CAUTION:

Refer to Pinion Flange/Yoke Installation Caution .

9. Install the pinion yoke.
10. Install the washer and a new pinion nut.

    If the new pinion nut cannot be installed, perform the following steps in order to seat the pinion yoke onto the pinion so that the washer and new pinion nut can be installed:

    1. Remove the pinion nut washer.
    2. Install the old pinion nut.
    3. Tighten the nut until a few of the shaft threads show through the nut so that the washer and new pinion nut can be installed.
    4. Remove the old pinon nut.
    5. Install the pinion nut washer
    6. Install the new pinion nut.
Fig 5: Pinion Flange Holder On Pinion Yoke
Courtesy of GENERAL MOTORS COMPANY
11. Install the J 8614-01  holding tool onto the pinion yoke as shown.
CAUTION:

Refer to Fastener Caution .