GM Service Manual Online
For 1990-2009 cars only

    Important: Do not remove the retaining ring, except to replace it.


    Object Number: 5485  Size: SH
  1. Inspect the reaction sun gear for the following defects:
  2. • Nicks
    • Scores
    • Damaged spline or teeth
    • A worn bushing
    • A loose or weak retaining ring

    Object Number: 5486  Size: SH
  3. Remove the reaction sun bushing, if a bushing replacement is needed.

  4. Object Number: 5487  Size: SH
  5. Install a reaction sun bushing.

  6. Object Number: 5489  Size: SH
  7. Install the reaction sun gear into the reaction carrier.

  8. Object Number: 59275  Size: SH
  9. Install the thrust washer.

  10. Object Number: 5490  Size: SH
  11. Install the reaction sun shell into the reaction sun gear.
  12. Install the reaction sun gear shell thrust washer into the reaction sun shell.
  13. Index the tangs onto the thrust washer and into the reaction sun shell.