GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • 87 92 210 Differential Bearing Support
    • SA9120T Differential Bearing Installer
    • SA9172G Ball Detent Handle

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1594160  Size: SH
  1. Assemble the differential gear assembly by installing the differential case (320) to ring gear (307) using 12 ring gear to case bolts (306).
  2. Tighten
    Tighten the ring gear to case bolts to 20 N·m (15 lb ft) plus 90 degrees.

    An option for limited slip differential or open differential exists for some models. See inset. Both differential assemblies are serviced only as a complete assembly. The bolts, ring gear and tapered roller bearings are serviceable components.


    Object Number: 895084  Size: SH
  3. Press the differential bearings onto the differential assembly using the SA9120T and the SA9172G . Use the 87 92 210 under the differential as shown.
  4. To change the differential bearing races, refer to Clutch Housing Assemble and Transmission Case Disassemble or Transmission Case Assemble .