GM Service Manual Online
For 1990-2009 cars only

    Object Number: 15506  Size: SH
  1. Install the sun gear (121) with the bushing side facing the differential (110).
  2. Install the final drive carrier (100) with the thrust bearing (102) secured on the sun gear side. Turn the unit until the unit meshes with the sun gear and the internal gear teeth.
  3. Install the left thrust washer (117). Install the left differential side gear (118).
  4. Caution: Refer to Fastener Caution in the Preface section.

  5. Place the transmission in Park using the manual shaft. Align the differential housing (110) locating dowels into holes in the differential carrier (100) for proper assembly. Attach the differential housing (110) with four bolts (119) and tighten using a star pattern to 70-76 N·m (52-56 lb ft).