Subaru Legacy III (2000-2003 year). Manual - part 564

AT-150

AUTOMATIC TRANSMISSION

ONE-WAY CLUTCH

40.One-way Clutch

A: REMOVAL

1) Remove the transmission assembly from the ve-
hicle. <Ref. to AT-39, REMOVAL, Automatic
Transmission Assembly.>
2) Extract the torque converter clutch assembly.
<Ref. to AT-85, REMOVAL, Torque Converter
Clutch Assembly.>
3) Remove the input shaft.

4) Disconnect the air breather hose. <Ref. to AT-
83, REMOVAL, Air Breather Hose.>
5) Lift-up lever behind the transmission harness
connector and disconnect it from stay.
6) Disconnect inhibitor switch connector from stay.
7) Remove the oil charger pipe. <Ref. to AT-84,
REMOVAL, Oil Charger Pipe.>
8) Remove the oil cooler inlet and outlet pipes.
<Ref. to AT-78, REMOVAL, ATF Cooler Pipe and
Hose.>
9) Separation of torque converter clutch case and
transmission case.<Ref. to AT-109, REMOVAL,
Torque Converter Clutch Case.>
10) Separate transmission case and extension
case sections. <Ref. to AT-86, REMOVAL, Exten-
sion Case.>
11) Remove the reduction driven gear.
<Ref. to AT-101, REMOVAL, Reduction Driven
Gear.>
12) Remove the reduction drive gear. (MPT model)
<Ref. to AT-101, REMOVAL, Reduction Driven
Gear.>
13) Remove the center differential carrier. (VTD
model) <Ref. to AT-106, REMOVAL, Center Differ-
ential Carrier.>
14) Remove control valve assembly. <Ref. to AT-
60, REMOVAL, Control Valve Body.>
15) Remove the oil pump housing. <Ref. to AT-
112, REMOVAL, Oil Pump.>
16) Take out the high clutch and reverse clutch as-
sembly. <Ref. to AT-130, REMOVAL, High Clutch
and Reverse Clutch.>
17) Take out the thrust needle bearing, planetary
gear assembly. <Ref. to AT-136, REMOVAL, Plan-
etary Gear and Low Clutch.>

18) Take out 2-4 brake return spring, piston and
piston retainer. <Ref. to AT-145, REMOVAL, 2-4
Brake.>
19) Pull out the leaf spring without folding.

20) Remove snap ring.

21) Take out retaining plate, drive plate, driven
plate and dish plate.

AT-00114

(A) Leaf spring

(A) Snap ring

AT-00293

( A )

AT-00294

( A )

AT-00295

AT-151

AUTOMATIC TRANSMISSION

ONE-WAY CLUTCH

22) Turn the transmission case upside down, and
then take out the socket bolts while holding the
one-way clutch inner race with hand. 

B: INSTALLATION

1) Install the one-way clutch inner race, spring re-
tainer and return spring.
2) Tighten socket head bolts evenly from the rear
side of the transmission case.

Tightening torque:

25 N·m (2.5 kgf-m, 18.1 ft-lb)

3) Place transmission case with the front facing up.
4) Install thrust needle bearing.
5) Installation of the low & reverse brake:
Install dish plate, driven plates, drive plates, and a
retaining plate, and secure with a snap ring.

NOTE:
Pay attention to the orientation of the dish plate.

6) Apply compressed air intermittently to check for
operation.

7) Check the clearance and select retaining plate.
<Ref. to AT-157, INSPECTION, Low and Reverse
Brake.>

AT-00296

(A) Snap ring

AT-00296

AT-00294

( A )

AT-00297

AT-152

AUTOMATIC TRANSMISSION

ONE-WAY CLUTCH

8) Install 2-4 brake. <Ref. to AT-146, INSTALLA-
TION, 2-4 Brake.>
9) Install planetary gear and low clutch assembly to
transmission case.
Install carefully while rotating the low clutch and
planetary gear assembly slowly paying special at-
tention not to damage the seal ring. <Ref. to AT-
137, INSTALLATION, Planetary Gear and Low
Clutch.>
10) Install the high clutch assembly. <Ref. to AT-
131, INSTALLATION, High Clutch and Reverse
Clutch.>
11) Install the oil pump housing assembly. <Ref. to
AT-113, INSTALLATION, Oil Pump.>
12) Install control valve assembly and oil pan.
<Ref. to AT-61, INSTALLATION, Control Valve
Body.>
13) Install the torque converter clutch case assem-
bly. <Ref. to AT-110, INSTALLATION, Torque
Converter Clutch Case.>
14) Install reduction driven gear.
<Ref. to AT-102, INSTALLATION, Reduction Driv-
en Gear.>
15) Install reduction drive gear. (MPT model)
16) Install the center differential carrier. (VTD mod-
el) <Ref. to AT-106, INSTALLATION, Center Differ-
ential Carrier.>
17) Install the extension case to the transmission
case. <Ref. to AT-86, INSTALLATION, Extension
Case.>
18) Install the rear vehicle speed sensor.

Tightening torque:

7 N·m (0.7 kgf-m, 5.1 ft-lb)

19) Insert inhibitor switch and transmission con-
nector into stay.

20) Install air breather hose. <Ref. to AT-83, IN-
STALLATION, Air Breather Hose.>
21) Install the oil cooler pipes. <Ref. to AT-80, IN-
STALLATION, ATF Cooler Pipe and Hose.>
22) Install the oil charger pipe with O-ring. <Ref. to
AT-84, INSTALLATION, Oil Charger Pipe.>

23) Insert the input shaft while turning lightly by
hand. At this time, not to damage the bushing.

Normal protrusion A:

50 — 55 mm (1.97 — 2.17 in)

24) Install the torque converter clutch assembly.
<Ref. to AT-85, INSTALLATION, Torque Converter
Clutch Assembly.> 
25) Install the transmission assembly to the vehi-
cle. <Ref. to AT-42, INSTALLATION, Automatic
Transmission Assembly.>

(A) Transmission harness

(B) Inhibitor switch harness

AT-00174

( B )

( A )

AT-00291

A

AT-153

AUTOMATIC TRANSMISSION

ONE-WAY CLUTCH

C: DISASSEMBLY

1. ONE-WAY CLUTCH INNER RACE

1) Remove seal rings.

2) Using ST, remove needle bearing.
ST

398527700

PULLER ASSY

2. ONE-WAY CLUTCH OUTER RACE

1) Remove the one-way clutch after taking out the
snap ring.

2) Remove the needle bearing after taking out the
snap ring.

D: ASSEMBLY

1. ONE-WAY CLUTCH INNER RACE

1) Using a press and ST, install the needle bearing
to the inner race.
ST

398497701

ADAPTER

2) Apply vaseline to the groove of the inner race
and to the seal ring.
3) Install two seal rings to one-way clutch inner
race.

2. ONE-WAY CLUTCH OUTER RACE

1) Install the needle bearing, and secure with the
snap ring.

2) Install the one-way clutch, one-way clutch inner
race and plate, and secure with the snap ring.

(A) One way clutch inner race

(B) Seal rings

(A) Snap ring

(B) Plate

(C) One-way clutch

(A) Needle bearing

(B) Snap ring

AT-00298

( A )

( B )

AT-00267

( A )

( B )

( C )

AT-00268

( A )

( B )

(A) One way clutch inner race

(B) Seal rings

(A) Needle bearing

(B) Snap ring

AT-00299

ST

AT-00298

( A )

( B )

AT-00268

( A )

( B )