GM Service Manual Online
For 1990-2009 cars only
  1. Rotate the transmission to the upright position.

  2. Object Number: 153670  Size: SH
  3. Remove the center support bolts (1).

  4. Object Number: 153671  Size: SH
  5. Remove the following components as a unit from the transmission case:
  6. • The center support (1)
    • The planetary sun gear