Subaru 2009 IMPREZA Service Manual page 1983

4. ONE-WAY CLUTCH INNER RACE
1) Install the needle bearing to inner race using ST
and a press.
ST 398497701 INSTALLER
2) Apply vaseline to the groove of inner race and to
the new seal ring.
3) Install two seal rings to the one-way clutch inner
race.
(B)
(A) One-way clutch inner race
(B) Seal ring
AT Main Case
ST
AT-00299
(A)
AT-00298
4AT-127
AUTOMATIC TRANSMISSION
5. ONE-WAY CLUTCH OUTER RACE
1) Install the needle bearing, and then secure with
the snap ring.
(A)
(A) Needle bearing
(B) Snap ring
2) Install the one-way clutch and one-way clutch in-
ner race, then secure with the snap ring.
3) Set the inner race. Make sure that the clutch
locks in the clockwise direction and rotates freely in
the counterclockwise direction.
(A)
(A) Locked
(B) Rotates freely
(B)
AT-00268
(B)
AT-00282