Subaru Legacy IV (2008 year). Manual - part 676

4AT-52

Rear Vehicle Speed Sensor

AUTOMATIC TRANSMISSION

15.Rear Vehicle Speed Sensor

A: REMOVAL

1) Set the vehicle on a lift.
2) Disconnect the ground cable from battery.
3) Lift up the vehicle.
4) Disconnect the connector from the rear vehicle
speed sensor.

5) Remove the rear vehicle speed sensor.

B: INSTALLATION

Install in the reverse order of removal.

NOTE:
Replace the O-ring with a new part.

Tightening torque:

7 N·m (0.7 kgf-m, 5.2 ft-lb)

(A) Rear vehicle speed sensor

AT-02207

(A)

AT-01341

4AT-53

Torque Converter Turbine Speed Sensor

AUTOMATIC TRANSMISSION

16.Torque Converter Turbine 

Speed Sensor

A: REMOVAL

For removal procedure of the torque converter tur-
bine speed sensor, refer to “Front Vehicle Speed
Sensor”. <Ref. to 4AT-49, REMOVAL, Front Vehi-
cle Speed Sensor.>

B: INSTALLATION

For installation procedure of the torque converter
turbine speed sensor, refer to “Front Vehicle Speed
Sensor”. <Ref. to 4AT-50, INSTALLATION, Front
Vehicle Speed Sensor.>

4AT-54

Control Valve Strainer

AUTOMATIC TRANSMISSION

17.Control Valve Strainer

A: REMOVAL

1) Set the vehicle on a lift.
2) Disconnect the ground cable from battery.
3) Lift up the vehicle.
4) Clean the transmission exterior.
5) Remove the drain plug (ATF) to drain the ATF.

CAUTION:
Directly after the vehicle has been running or
the engine has been long idle running, the ATF
is hot. Be careful not to burn yourself.

6) Perform replacement with a new gasket, and
tighten the drain plug (ATF).

Tightening torque:

25 N·m (2.5 kgf-m, 18.4 ft-lb)

7) Remove the oil pan.

CAUTION:
Be careful not to allow foreign matter such as
dust or dirt to enter the oil pan.

8) Remove the magnet.
9) Clean the magnet.
10) Completely remove the remaining liquid gasket
on the transmission case and oil pan.

11) Remove the control valve strainer tightening
bolt, and remove control valve strainer from the
control valve body.

B: INSTALLATION

1) Check the control valve body for dust and other
foreign matter.
2) Attach a new control valve strainer to the control
valve body.

(1) Apply ATF to the entire perimeter of the O-
ring on the control valve strainer.

CAUTION:
When applying ATF, avoid adhesion of dust
and foreign matter on the O-ring.

(2) Install the control valve strainer to the con-
trol valve body from the O-ring side.

CAUTION:
If the control valve strainer is pushed in at an
angle, the O-ring may be damaged. Be sure to
push in the control valve strainer straight to in-
stall.

(3) Tighten the three bolts.

Tightening torque:

10 N·m (1.0 kgf-m, 7.4 ft-lb)

AT-03117

AT-03118

AT-04834

AT-04834

4AT-55

Control Valve Strainer

AUTOMATIC TRANSMISSION

3) Attach the magnet at the specified position of the
oil pan.

4) Apply proper amount of liquid gasket to the en-
tire oil pan mating surface.

Liquid gasket:

THREE BOND 1217B (Part No. K0877YA020) 
or equivalent

5) Fill the 3 holes aside from the bolt holes in the
transmission case, with liquid gasket.

Liquid gasket:

THREE BOND 1217B (Part No. K0877YA020) 
or equivalent

6) Install the oil pan by equally tightening the bolts.

Tightening torque:

5 N·m (0.5 kgf-m, 3.7 ft-lb)

7) Fill ATF from the oil charge pipe. <Ref. to 4AT-
26, Automatic Transmission Fluid.>
8) Bleed the air of control valve. <Ref. to 4AT-59,
Air Bleeding of Control Valve.>
9) Check the ATF level. <Ref. to 4AT-26, INSPEC-
TION, Automatic Transmission Fluid.>

C: INSPECTION

Check the control valve strainer for holes, damages
or adhesion of dust and other foreign particles.

AT-02743

AT-02742

AT-04837