WARNING: This page is about a different car, the 2004 Pontiac Sunfire, 2004 Chevrolet Classic, and 2004 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: View Of Reverse Input and Second Roller Clutch
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).