GM Service Manual Online
For 1990-2009 cars only

Special Tools

    • J 23129 Universal Seal Remover
    • J 6125-1B Slide Hammer

For equivalent regional tools, refer to Special Tools.


    Object Number: 28377  Size: SH
  1. Using the J 23129 seal remover and the J 6125-1B slide hammer , remove the prop shaft front slip yoke seal assembly (20) (model dependent).

  2. Object Number: 28378  Size: SH
  3. Remove the case extension bolts (21).
  4. Remove the case extension assembly (19).
  5. Remove the case extension seal (15).
  6. Remove the following components and inspect for damage and wear:
  7. • The output shaft seal (675) (for some models)
    • The transmission output shaft yoke seal sleeve (682) and output shaft seal (683) (for some models)
    • The bearing retainer ring (16), case extension ball bearing assembly (17), and bearing spacer (18) (for some models)