Rear Bushing

Put an alignment mark on the front arm based on the center of rear bushing recess portion.
CAUTION: Always put an alignment mark for aligning the position on bushing installation.

Fig 1: Identifying Alignment Mark For Aligning Position On Bushing
Courtesy of SUBARU OF AMERICA, INC.
Using the ST and a press, remove the rear bushing.
ST1 20299AG000 REMOVER ST2 20299AG010 BASE

Fig 2: Identifying Rear Bushing
Courtesy of SUBARU OF AMERICA, INC.