Subaru Legacy III (2000-2003 year). Manual - part 565

AT-154

AUTOMATIC TRANSMISSION

ONE-WAY CLUTCH

3) Set the inner race. Make sure that the forward
clutch is free in the clockwise direction and locked
in the counterclockwise direction, as viewed from
the front of the vehicle.

E: INSPECTION

• Make sure the snap ring is not worn and the seal
rings are not damaged.
• Measure the total end play and adjust to within
specifications. <Ref. to AT-117, ADJUSTMENT,
Oil Pump.>

(A) Locked

(B) Free

AT-00282

( A )

( B )

AT-155

AUTOMATIC TRANSMISSION

LOW AND REVERSE BRAKE

41.Low and Reverse Brake

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 drive gear. <Ref. to AT-
104, REMOVAL, Reduction Drive Gear.>
12) Remove the center differential carrier. (VTD
model) <Ref. to AT-106, REMOVAL, Center Differ-
ential Carrier.>
13) Remove the reduction driven gear.
<Ref. to AT-101, REMOVAL, Reduction Driven
Gear.>
14) Remove the oil pump housing. <Ref. to AT-
112, REMOVAL, Oil Pump.>
15) Remove control valve assembly. <Ref. to AT-
60, REMOVAL, Control Valve Body.>
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) Remove one-way clutch inner race. <Ref. to
AT-150, REMOVAL, One-way Clutch.>

20) Take out the low & reverse piston by applying
compressed air.

21) Take out the spring retainer, return spring and
low & reverse piston.

AT-00297

AT-156

AUTOMATIC TRANSMISSION

LOW AND REVERSE BRAKE

B: INSTALLATION

1) Install the low and reverse piston without tilting.

NOTE:
Be careful not to damage the lip seal.

2) Install return spring.

3) Install spring retainer.

4) Install the one-way clutch inner race. <Ref. to
AT-151, INSTALLATION, One-way Clutch.>
5) Install thrust needle bearing.

NOTE:
Place transmission case with the front facing up.
6) 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.

7) Apply compressed air intermittently to check for
operation.

8) Check the clearance and select retaining plate.
<Ref. to AT-157, INSPECTION, Low and Reverse
Brake.>
9) Install 2-4 brake piston, retainer and return
spring to transmission case. <Ref. to AT-146, IN-
STALLATION, 2-4 Brake.>
10) 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.>
11) Install the high clutch assembly. <Ref. to AT-
131, INSTALLATION, High Clutch and Reverse
Clutch.>
12) Install the oil pump housing assembly. <Ref. to
AT-113, INSTALLATION, Oil Pump.>
13) Install the control assembly and oil pan. <Ref.
to AT-61, INSTALLATION, Control Valve Body.>
14) Install the torque converter clutch case assem-
bly to the transmission case assembly. <Ref. to AT-
110, INSTALLATION, Torque Converter Clutch
Case.>
15) Install reduction driven gear.
<Ref. to AT-102, INSTALLATION, Reduction Driv-
en Gear.>

AT-00300

AT-00301

AT-00302

(A) Snap ring

AT-00294

( A )

AT-00297

AT-157

AUTOMATIC TRANSMISSION

LOW AND REVERSE BRAKE

16) Install reduction drive gear. <Ref. to AT-104,
INSTALLATION, Reduction Drive Gear.>
17) Install the center differential carrier. (VTD mod-
el) <Ref. to AT-106, INSTALLATION, Center Differ-
ential Carrier.>
18) Install the extension case and rear vehicle
speed sensor to the transmission case. <Ref. to
AT-86, INSTALLATION, Extension Case.>
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.>

C: INSPECTION

Check for the following.
• Drive plate facing for wear or damage
• Snap ring for wear and spring retainer for defor-
mation
1) Place the same thickness of shim on both sides
to prevent retaining plate from tilting.
2) Inspect clearance and select retaining plate.

Standard value:

0.7 — 1.2 mm (0.028 — 0.047 in)

Allowable limit:

2.2 mm (0.087 in)

(A) Transmission harness

(B) Inhibitor switch harness

AT-00174

( B )

( A )

AT-00291

A

Available retaining plates

Part No.

Thickness mm (in)

31667AA320

4.1 (0.161)

31667AA330

4.4 (0.173)

31667AA340

4.7 (0.185)

31667AA350

5.0 (0.197)

31667AA360

5.3 (0.209)

31667AA370

5.6 (0.220)

31667AA380

5.9 (0.232)

AT-00303