Subaru Legacy IV (2008 year). Manual - part 679

4AT-64

ATF Cooler Pipe and Hose

AUTOMATIC TRANSMISSION

C: INSPECTION

Repair or replace any faulty hoses, pipes, clamps,
and washers found in the inspection below.
1) Check for ATF leaks in joints between the trans-
mission, radiator, pipes, and hoses.
2) Check the clamp for deformation.
3) Lightly bend the hose and check for cracks in the
surface or other damages.
4) Pinch the hose with your fingers and check for
poor elasticity. Also check for poor elasticity in the
parts where the clamp was installed by pressing
with your fingernail.
5) Check for peeling, cracks, and deformation at
the tip of the hose.

4AT-65

Air Breather Hose

AUTOMATIC TRANSMISSION

22.Air Breather Hose

A: REMOVAL

1) Remove the air intake chamber. <Ref. to
IN(H4SO)-7, REMOVAL, Air Intake Chamber.>
2) Disconnect the air breather hose.

B: INSTALLATION

1) Install the air breather hose.

2) Install the air intake chamber. <Ref. to
IN(H4SO)-7, INSTALLATION, Air Intake Cham-
ber.>

C: INSPECTION

Make sure the hose is not cracked or clogged.

(A) Air breather hose (Transmission case)

(B) Air breather hose (Oil pump housing)

(A) Air breather hose (Transmission case)

(B) Air breather hose (Oil pump housing)

AT-00099

AT-00099

4AT-66

Oil Charge Pipe

AUTOMATIC TRANSMISSION

23.Oil Charge Pipe

A: REMOVAL

1) Remove the air intake chamber. <Ref. to
IN(H4SO)-7, REMOVAL, Air Intake Chamber.>
2) Remove the oil charge pipe, and then remove
the O-ring from the flange side.

B: INSTALLATION

1) Apply ATF on a new O-ring and install together
with the oil charge pipe.

NOTE:
Use new bolts.

Tightening torque:

38 N·m (3.9 kgf-m, 28.0 ft-lb)

2) Install the air intake chamber. <Ref. to
IN(H4SO)-7, INSTALLATION, Air Intake Cham-
ber.>

C: INSPECTION

Make sure the oil charge pipe is not deformed or
damaged.

(A) ATF level gauge

(B) Oil charge pipe

(A) ATF level gauge

(B) Oil charge pipe

AT-04677

(A)

(B)

AT-04677

(A)

(B)

4AT-67

Torque Converter Clutch Assembly

AUTOMATIC TRANSMISSION

24.Torque Converter Clutch 

Assembly

A: REMOVAL

1) Remove the transmission assembly from vehicle
body. <Ref. to 4AT-35, REMOVAL, Automatic
Transmission Assembly.>
2) Pull out the torque converter clutch assembly
and oil pump shaft horizontally.

NOTE:
Be sure not to scratch the inside of bushing in oil
pump shaft.

3) Remove the input shaft.

NOTE:
When the torque converter clutch assembly is re-
moved, the input shaft will also come off.

4) Remove the oil pump shaft from torque convert-
er clutch assembly as necessary.

B: INSTALLATION

1) When the oil pump shaft is removed, install the
shaft to converter case.
2) Install the oil pump shaft to the torque converter
clutch assembly, and make sure the clip is secured
on the groove.
3) Apply ATF to the O-ring and insert on the input
shaft while rotating the shaft slowly by hand.

Normal protrusion A:

50 — 55 mm (1.97 — 2.17 in)

4) While holding the torque converter clutch as-
sembly by hand, carefully install it to the converter
case. Take care not to damage the bushing. Do not
allow the oil pump shaft bushing to touch the stator
shaft section of the oil pump cover inappropriately.
5) Slowly rotate the shaft by hand to engage the
splines securely, then check that dimension A is
within the specified range.

Dimension A:

2.7 — 2.9 mm (0.106 — 0.114 in)

6) Install the transmission assembly to the vehicle.
<Ref. to 4AT-38, INSTALLATION, Automatic
Transmission Assembly.>

C: INSPECTION

Make sure the ring gear and protrusion of the
torque converter clutch assembly end are not de-
formed or damaged.

AT-00113

AT-00114

A Measured value

A Measured value

A

AT-02384

A

AT-04448