1999 SUBARU LEGACY Service Repair Manual

1) Remove the snap ring, and take out the retain-
ing plate, drive plates, driven plates.
B3M1142A
2) Remove snap ring, and take out the retaining
plate, drive plates and driven plates.
B3M1143A
3) Using ST1 and ST2, remove snap ring.
ST1 398673600 COMPRESSOR
ST2 498627100 SEAT
B3M1144A
4) Take out clutch cover, spring retainer, high
clutch piston and reverse clutch piston.
B3M1145A
5) Remove seal rings and lip seal from high clutch
piston and reverse clutch piston.
B3M1146A
B: INSPECTION
1) Drive plate facing for wear and damage
2) Snap ring for wear, return spring for breakage
or setting, and spring retainer for deformation
3) Lip seal and lathe cut seal ring for damage
4) Piston check ball for operation
86
3-2[W17B0]SERVICE PROCEDURE
17. High Clutch and Reverse Clutch

C: ASSEMBLY
B3M1179A
(1) Reverse clutch drum
(2) Lip seal
(3) Lathe cut seal ring
(4) Reverse clutch piston
(5) Lathe cut seal ring
(6) Lathe cut seal ring
(7) High clutch piston
(8) Spring retainer(9) Cover
(10) Snap ring
(11) Driven plate (Thicker)
(12) Driven plate (Thinner)
(13) Drive plate
(14) Retaining plate
(15) Snap ring
(16) Dish plate(17) Driven plate
(18) Drive plate
(19) Retaining plate
(20) Snap ring
(21) Thrust needle bearing
(22) High clutch hub
87
[W17C0]3-2SERVICE PROCEDURE
17. High Clutch and Reverse Clutch

1) Install seal rings and lip seal to high clutch pis-
ton and reverse clutch piston.
2) Install high clutch piston to reverse clutch pis-
ton.
B3M1146A
3) Install reverse clutch to high clutch drum.
NOTE:
Align the groove on the reverse clutch piston with
the groove on the high clutch drum during installa-
tion.
B3M1148A
4) Install spring retainer to high clutch piston.
B3M1149A
5) Install ST to high clutch piston.
ST 498437000 HIGH CLUTCH PISTON
GAUGE
B3M1150A
6) Install cover to high clutch piston.
CAUTION:
Be careful not to fold over the high clutch pis-
ton seal during installation.
7) Using ST1 and ST2, install snap ring.
NOTE:
After installing snap ring, remove STs.
ST1 398673600 COMPRESSOR
ST2 498627100 SEAT
ST3 498437000 HIGH CLUTCH PISTON
GAUGE
B3M0973A
8) Install driven plate, drive plate and retaining
plate to high clutch drum.
NOTE:
Install thicker driven plate on the piston side.
B3M1151
9) Install snap ring to high clutch drum.
88
3-2[W17C0]SERVICE PROCEDURE
17. High Clutch and Reverse Clutch

10) Apply compressed air intermittently to check
for operation.
B3M1168
11) Measure the clearance between the retaining
plate and snap ring.
CAUTION:
Do not press down retaining plate during clear-
ance measurements.
Standard value:
0.8 Ð 1.1 mm (0.031 Ð 0.043 in)
Allowable limit:
1.5 mm (0.059 in)
B3M1152A
12) If specified tolerance limits are exceeded,
select a suitable high clutch retaining plate.
High clutch retaining plate
Part No. Thickness mm (in)
31567AA710
31567AA720
31567AA730
31567AA740
31567AA670
31567AA680
31567AA690
31567AA7004.7 (0.185)
4.8 (0.189)
4.9 (0.193)
5.0 (0.197)
5.1 (0.201)
5.2 (0.205)
5.3 (0.209)
5.4 (0.213)
13) Install driven plate, drive plate, retaining plate
and snap ring.
B3M1153
14) Apply compressed air intermittently to check
for operation.
B3M1169
89
[W17C0]3-2SERVICE PROCEDURE
17. High Clutch and Reverse Clutch

15) Measure the clearance between the retaining
plate and snap ring.
CAUTION:
Do not press down retaining plate during clear-
ance measurements.
Standard value:
0.5 Ð 0.8 mm (0.020 Ð 0.031 in)
Allowable limit:
1.2 mm (0.047 in)
B3M1154A
16) If specified tolerance limits are exceeded,
select a suitable high clutch retaining plate.
Reverse clutch retaining plates
Part No. Thickness mm (in)
31567AA750
31567AA760
31567AA770
31567AA780
31567AA790
31567AA800
31567AA810
31567AA8203.8 (0.150)
4.0 (0.157)
4.2 (0.165)
4.4 (0.173)
4.6 (0.181)
4.8 (0.189)
5.0 (0.197)
5.2 (0.205)
90
3-2[W17C0]SERVICE PROCEDURE
17. High Clutch and Reverse Clutch

18. Low Clutch Drum and Planetary Gear
A: DISASSEMBLY
B3M1155A
(1) Snap ring
(2) Front planetary carrier
(3) Thrust needle bearing
(4) Rear sun gear
(5) Thrust needle bearing
(6) Rear planetary carrier
(7) Washer
(8) Thrust needle bearing
(9) Rear internal gear(10) Washer
(11) Retaining plate
(12) Drive plate
(13) Driven plate
(14) Dish plate
(15) Snap ring
(16) Cover
(17) Spring retainer
(18) Lathe cut seal ring(19) Low clutch piston
(20) Lathe cut seal ring
(21) Low clutch drum
(22) Needle bearing
(23) Inner snap ring
(24) One-way clutch
(25) Outer snap ring
91
[W18A0]3-2SERVICE PROCEDURE
18. Low Clutch Drum and Planetary Gear

1) Remove snap ring from the low clutch drum.
B3M1156A
2) Take out front planetary carrier and thrust
needle bearing from low clutch drum.
B3M1157A
3) Take out rear sun gear.
B3M1158A
4) Take out rear planetary carrier, washer and
thrust needle bearing.
B3M1159A
5) Take out rear internal gear.
B3M1160A
6) Remove the snap ring from the low clutch drum.
B3M1161A
7) Remove the retaining plate, drive plates, driven
plates and dish plate.
8) Compress the spring retainer, and remove the
snap ring from the low clutch drum, by using ST1
and ST2.
ST1 498627100 SEAT
ST2 398673600 COMPRESSOR
B3M1162A
92
3-2[W18A0]SERVICE PROCEDURE
18. Low Clutch Drum and Planetary Gear

9) Install the one-way clutch inner race to the low
clutch drum, and apply compressed air to remove
the low clutch piston.
B3M0960A
10) Remove the one-way clutch inner race.
11) Remove the one-way clutch after taking out
the snap ring.
B3M1163A
12) Remove the needle bearing after taking out
the snap ring.
B3M1164A
B: INSPECTION
1) Drive plate facing for wear and damage
2) Snap ring for wear, return spring for setting and
breakage, and snap ring retainer for deformation
3) Lip seal and lathe cut ring for damage
4) Piston and drum check ball for operation
93
[W18B0]3-2SERVICE PROCEDURE
18. Low Clutch Drum and Planetary Gear