Subaru S209 2019 Service Manual page 151

CAUTION:
Do not disassemble or further tighten the section (c) shown in the figure.
10) Remove the nuts, and then remove the flexible draw stiffener - rear.
11) Remove the nut plate (a) and the flexible draw stiffener - rear bracket (b).
Rear Flexible Draw Stiffener
(c) (b)
(A)
AA-13012
(b)
(a)
AA-13026
RS-23
REAR SUSPENSION
AA-13025