WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Torque Converter Fluid Seal Component View
Courtesy of GENERAL MOTORS CORP.
Callout
Component Name
1
Torque Converter Fluid Seal Retaining Ring
2
Torque Converter Fluid Seal Assembly Special Tool: J 45000
Seal Remover