WARNING: This page is about a different car, the 2009 Pontiac Torrent and 2009 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: View Of 4-5 Clutch Assembly
Courtesy of GENERAL MOTORS CORP.
Remove the 4-5 clutch assembly (15) from the transmission case assembly.