Subaru Legacy 2005 Service Manual page 2164

AUTOMATIC TRANSMISSION
24) Press the center of retaining plate by applying a
force of N using push/pull gauge, and then mea-
sure and record the height A. Measure at three
places or more in even distance and take the aver-
age value.
NOTE:
If three places, measure in every 120°. If four plac-
es, measure in every 90°.
A
(A) Driven plate
(B) Drive plate
(C) Retaining plate
25) Install the driven plate, drive plate, retaining
plate and snap ring.
AT Main Case
26) Apply compressed air intermittently to check for
operation.
27) Measure the clearance B between retaining
plate and snap ring. (Reverse clutch)
At this time, do not press down the retaining plate.
(C)
(B)
(A)
28) Piston stroke calculation
AT-01727
Select the retaining plate within the specification by
calculating with A and B dimensions recorded be-
fore. If the calculated value exceeds the service
limit, replace the drive plate with a new one and ad-
just it within the specification.
T = A + B
T: Piston stroke
A: Collapse amount of drive plate
B: Clearance between retaining plate and snap ring
Initial specification:
1.1 — 1.4 mm (0.043 — 0.055 in)
Service limit:
1.6 mm (0.063 in)
AT-00247
4AT-136
(A)
B
(A) Thickness gauge
Reverse clutch retaining plate
Part No.
31567AA910
31567AA920
31567AA930
31567AA940
31567AA950
31567AA960
31567AA970
31567AA980
AT-00248
AT-01728
Thickness mm (in)
4.0 (0.157)
4.2 (0.165)
4.4 (0.173)
4.6 (0.181)
4.8 (0.189)
5.0 (0.197)
5.2 (0.205)
5.4 (0.213)