Removal Procedure
WARNING: This page is about a different car, the 2010 GMC Sierra and 2010 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Courtesy of GENERAL MOTORS CORP.
Using J 34196-5 which is part of kit J 34196-B:
bushing service set with J 8092:
driver handle, remove the input sun gear front bushing (657) and rear bushing (659).