1999 SUBARU LEGACY 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

C: ASSEMBLY
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
1) Install lathe cut seal ring to low clutch piston.
2) Fit the low clutch piston to the low clutch drum.
B3M1165A
3) Install spring retainer to low clutch piston.
B3M1166A
94
3-2[W18C0]SERVICE PROCEDURE
18. Low Clutch Drum and Planetary Gear

4) Install ST to low clutch drum.
ST 498437100 LOW CLUTCH PISTON
GUIDE
B3M1167A
5) Set the cover on the piston with a press using
ST1 and ST2, and attach the snap ring.
CAUTION:
Be careful not to fold cover seal during instal-
lation.
NOTE:
After installing snap ring, remove ST1, ST2 and
ST3.
ST1 498627100 SEAT
ST2 398673600 COMPRESSOR
ST3 498437100 LOW CLUTCH PISTON
GUIDE
B3M1168A
6) Install the dish plate, driven plates, drive plates,
and retaining plate, and secure with the snap ring.
NOTE:
Pay attention to the orientation of the dish plate.
B3M1169A
7) Check the low clutch for operation.
Set the one-way clutch inner race, and apply com-
pressed air for checking.
B3M0960A
8) Checking low clutch clearance
Measure the gap between the retaining plate and
the operation of the low clutch.
NOTE:
Before measuring clearance, place the same thick-
ness of shim on both sides to prevent retaining
plate from tilting.
If the clearance is out of the specified range, select
a proper retaining plate so that the standard clear-
ance can be obtained.
Standard value:
0.7 Ð 1.1 mm (0.028 Ð 0.043 in)
Allowable limit:
1.6 mm (0.063 in)
B3M0975A
Available retaining plates
Part No. Thickness mm (in)
31567AA830
31567AA840
31567AA850
31567AA860
31567AA8703.8 (0.150)
4.0 (0.157)
4.2 (0.165)
4.4 (0.173)
4.6 (0.181)
95
[W18C0]3-2SERVICE PROCEDURE
18. Low Clutch Drum and Planetary Gear

9) Install washer to rear internal gear.
B3M1170A
10) Install rear internal gear.
B3M1160A
11) Install thrust needle bearing.
CAUTION:
Install thrust needle bearing in the correct
direction.
B3M1171A
12) Install washer to rear planetary carrier.
NOTE:
Make sure washer tooth is inserted into hole on
planetary carrier.
B3M1172A
13) Install rear planetary carrier to low clutch
drum.
B3M1159A
14) Install thrust needle bearing to rear planetary
carrier.
CAUTION:
Install thrust needle bearing in the correct
direction.
B3M1173
96
3-2[W18C0]SERVICE PROCEDURE
18. Low Clutch Drum and Planetary Gear