Subaru Legacy III (2000-2003 year). Manual - part 560

AT-134

AUTOMATIC TRANSMISSION

HIGH CLUTCH AND REVERSE CLUTCH

5) Install ST to high clutch piston.
ST

498437000

HIGH CLUTCH PISTON 
GAUGE

6) Avoid folding the high clutch piston seal, when
installing the cover to high clutch piston.
7) Using ST1 and ST2, install snap ring.
ST1

398673600

COMPRESSOR

ST2

498627100

SEAT

ST3

498437000

HIGH CLUTCH PISTON 
GAUGE

8) Install the thickest driven plate to piston side,
and then install the driven plate, drive plate, retain-
ing plate to high clutch drum.

9) Install snap ring to high clutch drum.

10) Apply compressed air intermittently to check for
operation.

11) Measure the clearance between the retaining
plate and snap ring.<Ref. to AT-135, INSPEC-
TION, High Clutch and Reverse Clutch.>
12) Install driven plate, drive plate, retaining plate
and snap ring.

13) Apply compressed air intermittently to check for
operation.

14) Measure the clearance between the retaining
plate and snap ring.<Ref. to AT-135, INSPEC-
TION, High Clutch and Reverse Clutch.>

AT-00243

ST

AT-00244

ST1

ST2

ST3

AT-00245

AT-00246

AT-00247

AT-00248

AT-135

AUTOMATIC TRANSMISSION

HIGH CLUTCH AND REVERSE CLUTCH

E: INSPECTION

1) Inspect the following items.
• Drive plate facing for wear and damage
• Snap ring for wear, return spring for setting and
breakage, and snap ring retainer for deformation
• Lip seal and D-ring for damage
• Piston and drum check ball for operation
• Adjust total end play. <Ref. to AT-117, ADJUST-
MENT, Oil Pump.> 
2) Inspect clearance between the retaining plate
and snap ring. (High clutch) At this time, do not
press down retaining plate.

Standard value:

0.8 — 1.1 mm (0.031 — 0.043 in)

Allowable limit:

1.5 mm (0.059 in)

3) If specified tolerance limits are exceeded, select
a suitable high clutch retaining plate.

4) Inspect clearance between retaining plate and
snap ring. (Reverse clutch) At this time, do not
press down retaining plate.

Standard value:

0.5 — 0.8 mm (0.020 — 0.031 in)

Allowable limit:

1.2 mm (0.047 in)

5) If specified tolerance limits are exceeded, select
a suitable high clutch retaining plate.

(A) Thickness gauge

High clutch retaining plate

Part No.

Thickness mm (in)

31567AA710

4.7 (0.185)

31567AA720

4.8 (0.189)

31567AA730

4.9 (0.193)

31567AA740

5.0 (0.197)

31567AA670

5.1 (0.201)

31567AA680

5.2 (0.205)

31567AA690

5.3 (0.209)

31567AA700

5.4 (0.213)

AT-00249

( A )

(A) Thickness gauge

Reverse clutch retaining plates

Part No.

Thickness mm (in)

31567AA910

4.0 (0.157)

31567AA920

4.2 (0.165)

31567AA930

4.4 (0.173)

31567AA940

4.6 (0.181)

31567AA950

4.8 (0.189)

31567AA960

5.0 (0.197)

31567AA970

5.2 (0.205)

31567AA980

5.4 (0.213)

AT-00250

( A )

AT-136

AUTOMATIC TRANSMISSION

PLANETARY GEAR AND LOW CLUTCH

38.Planetary Gear and Low 

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 from stay.
6) Disconnect inhibitor switch connector from stay.
7) Remove the oil charger pipe, and remove the O-
ring from the flange face. Attach the O-ring to the
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) Remove rear vehicle speed sensor, and sepa-
rate the transmission case and extension case.
<Ref. to AT-86, REMOVAL, Extension Case.>
10) Remove reduction driven gear. <Ref. to AT-
101, REMOVAL, Reduction Driven Gear.>
11) Separation of torque converter clutch case and
transmission case.<Ref. to AT-109, REMOVAL,
Torque Converter Clutch Case.>
12) Remove the oil pump housing. <Ref. to AT-
112, REMOVAL, Oil Pump.>
13) Take out the high clutch and reverse clutch as-
sembly. <Ref. to AT-130, REMOVAL, High Clutch
and Reverse Clutch.>

14) Take out the front sun gear and the thrust bear-
ing.

15) Pull out leaf spring without folding.

NOTE:
Remove it while pressing down on lower leaf
spring.

16) Remove snap ring and thrust needle bearing.

AT-00114

(A) Front sun gear

(B) Thrust needle bearing

(A) Leaf spring

(B) Retaining plate

(A) Snap ring

(B) Thrust needle bearing

AT-00251

( A )

( B )

AT-00252

( A )

( B )

AT-00253

( A )

( B )

AT-137

AUTOMATIC TRANSMISSION

PLANETARY GEAR AND LOW CLUTCH

17) Take out retaining plate, drive plate and driven
plate of 2-4 brake.

18) Take out the thrust needle bearing, planetary
gear assembly and the low clutch assembly.

B: INSTALLATION

1) 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.

2) Install the pressure plate, driven plate, drive
plate, retaining plate and snap ring.
3) Be careful not to mistake the location of the leaf
spring to be inserted.

4) Install thrust needle bearing in the correct direc-
tion.

AT-00254

AT-00255

(A) Leaf spring

(B) Retaining plate

(A) Snap ring

(B) Thrust needle bearing

(C) Upside

(D) Downside

(E) Outside

AT-00255

AT-00252

( A )

( B )

AT-00256

( A )

( B )

( C )

( D )

( E )