Subaru Legacy IV (2008 year). Service manual - part 682

4AT-76

Reduction Driven Gear

AUTOMATIC TRANSMISSION

C: DISASSEMBLY

1) Remove the snap ring from reduction driven
gear.

2) Remove the ball bearing from reduction driven
gear using ST.
ST

498077600

REMOVER

3) Remove the snap ring from reduction driven
gear.

D: ASSEMBLY

1) Install the snap ring to reduction driven gear.
2) Install the new ball bearing to reduction driven
gear using press.

3) Install the snap ring to reduction driven gear.

E: INSPECTION

Make sure the ball bearing and gear is not de-
formed or damaged.

(A) Snap ring

(A) Ball bearing

AT-00156

(A)

AT-00157

(A)

ST

(A) Ball bearing

(A) Snap ring

AT-00158

(A)

AT-00156

(A)

4AT-77

Reduction Drive Gear

AUTOMATIC TRANSMISSION

28.Reduction Drive Gear

A: REMOVAL

1) Remove the transmission assembly from vehicle
body. <Ref. to 4AT-35, REMOVAL, Automatic
Transmission Assembly.>
2) Remove the rear vehicle speed sensor, and sep-
arate the extension case from transmission case.
<Ref. to 4AT-68, REMOVAL, Extension Case.>
3) Remove the reduction driven gear. <Ref. to 4AT-
75, REMOVAL, Reduction Driven Gear.>
4) Using the ST, extract the reduction drive gear
assembly.
ST1

499737100

PULLER SET

ST2

899524100

PULLER SET

B: INSTALLATION

1) Install the reduction drive gear assembly.

NOTE:
Press-fit it to the bottom of bearing shoulder com-
pletely.

2) Install the reduction driven gear. <Ref. to 4AT-
75, INSTALLATION, Reduction Driven Gear.>
3) Join the transmission case and the extension
case, and then install the rear vehicle speed sen-
sor. <Ref. to 4AT-68, INSTALLATION, Extension
Case.>
4) Install the transmission assembly to the vehicle.
<Ref. to 4AT-38, INSTALLATION, Automatic
Transmission Assembly.>

C: DISASSEMBLY

1) Take out the seal ring.

2) Remove the ball bearing using ST.
ST

498077600

REMOVER

3) Apply vaseline to the outer surface of seal ring
and shaft groove.

(A) Reduction drive gear ASSY

(A) Reduction drive gear ASSY

AT-00159

(A)

ST2

ST1

AT-02213

(A)

(A) Seal ring

(B) Reduction drive shaft

(A) Ball bearing

(B) Reduction drive gear

(A) Reduction drive gear

AT-00161

(A)

(B)

AT-00162

(A)

(B)

ST

AT-00163

(A)

4AT-78

Reduction Drive Gear

AUTOMATIC TRANSMISSION

D: ASSEMBLY

1) Press-fit the reduction drive gear to shaft.
2) Press-fit the new ball bearing into reduction drive
gear.
3) Apply vaseline onto the seal ring outer surface
and shaft grooves.
4) Apply ATF to new seal rings and install them.

E: INSPECTION

• Rotate the bearing by hand, and check that it ro-
tates smoothly.
• Check parts for holes, damage or adhesion of
dust and other foreign particles.
• Inspect the extension end play, and adjust it to
the standard value. <Ref. to 4AT-74, ADJUST-
MENT, Transfer Clutch.>

(A) Seal ring

(B) Reduction drive shaft

AT-00161

(A)

(B)

4AT-79

Parking Pawl

AUTOMATIC TRANSMISSION

29.Parking Pawl

A: REMOVAL

1) Remove the transmission assembly from vehicle
body. <Ref. to 4AT-35, REMOVAL, Automatic
Transmission Assembly.>
2) Remove the rear vehicle speed sensor, and sep-
arate the extension case from transmission case.
<Ref. to 4AT-68, REMOVAL, Extension Case.>
3) Remove the reduction drive gear. <Ref. to 4AT-
77, REMOVAL, Reduction Drive Gear.>
4) Remove the parking pawl, return spring and
shaft.

B: INSTALLATION

1) Install the parking pawl, return spring and shaft.

2) Install the reduction drive gear. <Ref. to 4AT-77,
INSTALLATION, Reduction Drive Gear.>
3) Install the rear vehicle speed sensor and exten-
sion case. <Ref. to 4AT-68, INSTALLATION, Ex-
tension Case.>
4) Install the transmission assembly to the vehicle.
<Ref. to 4AT-38, INSTALLATION, Automatic
Transmission Assembly.>

C: INSPECTION

Check the tab of the parking pole on the reduction
gear for wear or other damage.

(A) Return spring

(B) Parking pawl

(A) Return spring

(B) Parking pawl

AT-02214

(B)

(A)

AT-02214

(B)

(A)