Subaru Legacy (2005 year). Manual - part 522

4AT-69

AUTOMATIC TRANSMISSION

ATF Cooler Pipe and Hose

9) Remove the oil cooler inlet and outlet pipes.

CAUTION:
When disconnecting the outlet pipe, be careful 
not to lose the ball and spring used with retain-
ing screw.

2. MODEL WITH ATF COOLER WITH ATF 
WARMER FUNCTION

1) Set the vehicle on a lift.
2) Remove the air intake chamber. <Ref. to
IN(H4SO 2.0)-7, REMOVAL, Air Intake Chamber.>
3) Disconnect the inhibitor switch connector and
transmission harness connector, and remove it
from stay.
4) Remove the harness bracket.

5) Disconnect the inlet and outlet hoses.

6) Remove the ATF cooler assembly from trans-
mission body, and put it aside.

7) Remove the oil charge pipe. <Ref. to 4AT-80,
REMOVAL, Oil Charge Pipe.>
8) Remove the air breather hose. <Ref. to 4AT-79,
REMOVAL, Air Breather Hose.>

(A) Inlet pipe

(B) Outlet pipe

(A) Inlet hose

(B) Outlet hose

AT-01348

(A)

(B)

AT-02179

AT-02180

(A)

(B)

AT-03199

4AT-70

AUTOMATIC TRANSMISSION

ATF Cooler Pipe and Hose

9) Remove the inlet and outlet pipes of oil cooler
pipe.

CAUTION:
When disconnecting the outlet pipe, be careful 
not to lose the ball and spring used with retain-
ing screw.

B: INSTALLATION

1. MODEL WITHOUT ATF COOLER WITH 
ATF WARMER FUNCTION

1) Install the oil cooler inlet pipe and outlet pipe with
new washer.

Tightening torque:

T1: 25 N

⋅

m (2.5 kgf-m, 18.4 ft-lb)

T2: 40 N

⋅

m (4.1 kgf-m, 29.5 ft-lb)

T3: 44 N

⋅

m (4.5 kgf-m, 32.5 ft-lb)

2) Install the ATF cooler pipe to frame.

3) Connect the ATF cooler hose to pipe on the
transmission side.

NOTE:
• Install so that the hose is not folded over, exces-
sively bent or twisted.
• Be careful to insert the hose to the specified po-
sition.

(A) ATF cooler outlet pipe

(B) ATF cooler inlet pipe

(A)

(B)

(A)

(B)

AT-01870

AT-03072

T2

T3

T1

AT-01347

AT-01333

4AT-71

AUTOMATIC TRANSMISSION

ATF Cooler Pipe and Hose

4) Connect the ATF cooler hose to pipe on the ra-
diator side.

NOTE:
• Install so that the hose is not folded over, exces-
sively bent or twisted.
• Be careful to insert the hose to the specified po-
sition.

5) Install the radiator under cover.

Tightening torque:

4.9 N

⋅

m (0.5 kgf-m, 3.6 ft-lb)

6) Install the under cover.
7) Install the battery.
8) Fill the ATF. <Ref. to 4AT-31, Automatic Trans-
mission Fluid.>

NOTE:
Make sure there are no ATF leaks in connections of
the transmission, radiator, pipes and hoses.

2. MODEL WITH ATF COOLER WITH ATF 
WARMER FUNCTION

1) Install the ATF cooler inlet and outlet pipes. 

NOTE:
Use a new washer.

Tightening torque:

T1: 21 N

⋅

m (2.1 kgf-m, 15.5 ft-lb)

T2: 40 N

⋅

m (4.1 kgf-m, 29.5 ft-lb)

T3: 41 N

⋅

m (4.2 kgf-m, 30.4 ft-lb)

T4: 45 N

⋅

m (4.6 kgf-m, 33.2 ft-lb)

AT-01345

AT-01344

T2

T3

T4

T1

T3

AT-03131

4AT-72

AUTOMATIC TRANSMISSION

ATF Cooler Pipe and Hose

2) Install the ATF cooler assembly to transmission.

Tightening torque:

23 N

⋅

m (2.3 kgf-m, 17 ft-lb)

3) Install the oil charge pipe. <Ref. to 4AT-80, IN-
STALLATION, Oil Charge Pipe.>
4) Install the inlet and outlet hoses.

5) Install the harness bracket.

Tightening torque:

T1: 16 N

⋅

m(1.6 kgf-m, 11.6 ft-lb)

T2: 36 N

⋅

m (3.6 kgf-m, 26.0 ft-lb)

6) Install the inhibitor switch connector and trans-
mission harness connector to stay, and then con-
nect the harness connector.
7) Install the air breather hose. <Ref. to 4AT-79, IN-
STALLATION, Air Breather Hose.>
8) Install the air intake chamber. <Ref. to IN(H4SO
2.0)-7, INSTALLATION, Air Intake Chamber.>
9) Check the ATF level. <Ref. to 4AT-31, INSPEC-
TION, Automatic Transmission Fluid.>

C: INSPECTION

Repair or replace any defective hoses, pipes,
clamps, and washers found in the inspection be-
low.
1) Check for ATF leaks in connections of 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.

(A) Inlet hose

(B) Outlet hose

AT-03199

AT-02180

(A)

(B)

AT-02208

T1

T2