WARNING: This page is about a different car, the 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Reverse Input Clutch Housing
Courtesy of GENERAL MOTORS CORP.
Remove the driven sprocket support to reverse clutch housing thrust washer (101).
Remove the reverse input clutch housing and the 2nd roller clutch assembly (102).