Subaru LEGACY 2006 Manual page 3257

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AUTOMATIC TRANSMISSION
33) Piston stroke calculation
Calculate with A and B dimensions recorded be-
fore. If the calculated value exceeds the service
limit, replace the drive plate with a new part and ad-
just it within the initial specification.
T = A + B
T: Piston stroke
A: Amount of drive plate compression
B: Clearance between retaining plate and snap ring
Initial standard:
1.7 — 2.1 mm (0.067 — 0.083 in)
Limit thickness:
2.3 mm (0.091 in)
Retaining plate
Part number
31567AA991
31567AB001
31567AB011
31567AB021
31567AB031
31567AB041
34) Be careful not to mistake the location of the leaf
spring to be installed.
(A)
(B)
(A) Leaf spring
(B) Retaining plate
AT Main Case
35) Install the thrust needle bearing in the correct
direction.
Thickness mm (in)
5.6 (0.220)
5.8 (0.228)
6.0 (0.236)
36) Install the front sun gear and the thrust needle
6.2 (0.244)
bearing.
6.4 (0.252)
6.6 (0.260)
AT-00252
37) Install the high clutch hub.
Attach the thrust needle bearing to hub using vase-
line, and then install the hub by correctly engaging
the splines of the front planetary carrier.
4AT-108
(A)
(A) Snap ring
(B) Thrust needle bearing
(C) Upside
(D) Downside
(E) Outside
(A)
(B)
(A) Front sun gear
(B) Thrust needle bearing
(C) Upside
(D) Downside
(E) Outside
(C)
(E)
(D)
(B)
AT-02217
(C)
(E)
(D)
AT-02218