GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 6116-A Gear Holding Fixture
    • J 21364-A Adapter
    • J 38868 Gear Assembly Remover/Installer
    • J 6129 Handle

    Object Number: 28408  Size: SH

    Important: Discard the center support bolt after you have removed the bolt. Damage could result to the center support housing if you reuse the bolt.

  1. Remove the center support bolt (25) using a 3/8" Torx® socket.

  2. Object Number: 28409  Size: SH
  3. Remove the center support retainer ring (633).

  4. Object Number: 28410  Size: SH
  5. Attach the J 38868 to the transmission main shaft.
  6. Tighten the thumb screw.
  7. InstallJ 6129 to J 38868 .
  8. Turn J 6129 so that the shaft contacts the main shaft.
  9. Remove the center support assembly and the gear unit (640-672) by lifting J 38868 with J 6129 .
  10. Remove J 6129 and J 38868 .

  11. Object Number: 28411  Size: SH
  12. Place the center support assembly and the gear unit assembly (640-672) into J 21364-A (not visible in the illustration) and J 6116-A .