Subaru Legacy IV (2008 year). Manual - part 744

5AT-100

AT Main Case

AUTOMATIC TRANSMISSION

24) Remove the snap ring of the reverse brake
spring retainer.
ST1

18762AA000

COMPRESSOR SPECIAL 
TOOL

ST2

18765AA000

COMPRESSOR SUPPORT

ST3

18763AA000

COMPRESSOR SHAFT

25) Remove the spring retainer.

26) Remove the return spring.

27) Apply compressed air.

28) Remove the reverse brake piston.

29) Remove the thrust bearing and the seal ring.

AT-02000

ST3

ST2

ST1

AT-02001

AT-02002

(A) Thrust bearing

(B) Seal ring

AT-02004

AT-02005

(A)

(B)

(A)

(A)

(B)

(A)

AT-04307

5AT-101

AT Main Case

AUTOMATIC TRANSMISSION

B: INSTALLATION

1) Apply ATF to a new seal ring.
2) Install the thrust bearing and a new seal ring to
the drum support.

3) Install the reverse brake piston.

NOTE:
Apply ATF onto the piston sliding surface.
ST1

18762AA000

COMPRESSOR SPECIAL 
TOOL

ST2

18765AA000

COMPRESSOR SUPPORT

ST3

18763AA000

COMPRESSOR SHAFT

4) Install the return spring.

5) Install the spring retainer and snap ring.
ST1

18762AA000

COMPRESSOR SPECIAL 
TOOL

ST2

18765AA000

COMPRESSOR SUPPORT

ST3

18763AA000

COMPRESSOR SHAFT

6) Install the dish plate.

NOTE:
When installing, make sure that the identification
mark is facing the front side of transmission.
7) Install the drive plate and driven plate.

(A) Thrust bearing

(B) Seal ring

(A)

(B)

(A)

(A)

(B)

(A)

AT-04307

AT-02002

AT-02000

ST3

ST2

ST1

5AT-102

AT Main Case

AUTOMATIC TRANSMISSION

8) Install the leaf spring.

9) Install the retaining plate.
10) Install the snap ring of the reverse brake.

11) Perform the clearance check of reverse brake.

(1) Measure the clearance between retainer
plate and snap ring using thickness gauge.

Standard:

0.7 — 1.1 mm (0.028 — 0.043 in)

(2) If it is out of specification, select a suitable
retainer plate from the following table and as-
semble it.

12) Install the direct clutch assembly.

13) Install the high & low reverse clutch assembly.

(A) Leaf spring

B '

B

B '

B

(A)

(A)

AT-03364

AT-01998

Retainer plate

Part No.

Thickness mm (in)

31567AB100

4.2 (0.165)

31567AB170

4.4 (0.173)

31567AB180

4.6 (0.181)

31567AB190

4.8 (0.189)

31567AB200

5.0 (0.197)

AT-02372

AT-01997

AT-01996

5AT-103

AT Main Case

AUTOMATIC TRANSMISSION

14) Install the thrust needle bearing of the high &
low reverse clutch.

15) Install the middle & rear sun gear assembly.

16) Install the rear carrier assembly.

17) Install the middle carrier assembly.

AT-01995

AT-01994

AT-01993

AT-01992