Drive Plate: Removal

WARNING: This page is about a different car, the 2011 Subaru Tribeca. However, it is still accessible from the selected car via links, so may be relevant.

Remove the transmission assembly from the vehicle. Refer to REMOVAL , Automatic Transmission Assembly.
Use the ST to lock the crankshaft, and remove the drive plate.
ST 498497100 CRANKSHAFT STOPPER

Fig 1: Identifying Crankshaft Stopper ST498497100
Courtesy of SUBARU OF AMERICA, INC.