1999 SUBARU LEGACY clutch

No. Part nameWire dia.
mm (in)Average dia.
mm (in)Effective turnFree length
mm (in)
332-4 brake accumulator B spring
(Inlet)1.6 (0.063) 9.3 (0.366) 14.6 47.0 (1.850)
342-4 brake accumulator B spring
(Outlet)2.3 (0.091) 13.7 (0.539) 8.79 45.0 (1.772)
352-4 brake accumulator A spring
(Inlet)1.8 (0.071) 21.3 (0.839) 8.0 69.1 (2.720)
362-4 brake accumulator A spring
(Outlet)1.7 (0.067) 25.3 (0.996) 6.3 69.1 (2.720)
37Low clutch accumulator spring
(Inlet)1.8 (0.071) 21.3 (0.839) 8.0 69.1 (2.720)
38Low clutch accumulator spring
(Outlet)1.7 (0.067) 25.3 (0.996) 6.3 69.1 (2.720)
39High clutch accumulator A spring
(Inlet)1.8 (0.071) 21.3 (0.839) 8.0 69.1 (2.720)
40High clutch accumulator A spring
(Outlet)1.7 (0.067) 25.3 (0.996) 6.3 69.1 (2.720)
41High clutch accumulator B spring
(Inlet)1.6 (0.063) 9.3 (0.366) 14.6 47.0 (1.850)
42High clutch accumulator B spring
(Outlet)2.3 (0.091) 13.7 (0.539) 8.79 45.0 (1.772)
43 Pressure regulator valve spring 1.0 (0.039) 13.5 (0.531) 6.5 35.0 (1.378)
44 Reverse inhibit valve spring 0.65 (0.0256) 8.4 (0.331) 7.7 26.5 (1.043)
45 Accumulator control valve B spring 0.5 (0.020) 10.5 (0.413) 4.5 21.5 (0.846)
46 2-4 brake timing valve A spring 0.80 (0.0315) 8.2 (0.323) 7.9 25.2 (0.992)
47 2-4 brake timing valve B spring 0.60 (0.0236) 5.8 (0.228) 7.7 20.0 (0.787)
48Torque converter regulator valve
spring1.40 (0.0551) 7.6 (0.299) 12.1 34.7 (1.366)
49Torque converter one-way valve
spring0.8 (0.031) 9.7 (0.382) 11.5 40.0 (1.575)
50 Pressure modifier valve spring 0.7 (0.028) 8.3 (0.327) 8.2 26.9 (1.059)
51 Accumulator control valve A 0.7 (0.028) 10.3 (0.406) 3.6 15.1 (0.594)
52 Low clutch timing valve A spring 0.5 (0.020) 6.5 (0.256) 7.78 19.3 (0.760)
53 Low clutch timing valve B spring 0.60 (0.0236) 5.8 (0.228) 7.7 20.0 (0.787)
54 Shift valve B spring 0.80 (0.0315) 8.2 (0.323) 7.9 25.2 (0.992)
55 Shift valve A spring 0.80 (0.0315) 8.2 (0.323) 7.9 25.2 (0.992)
56 Throttle accumulator B spring 1.6 (0.063) 8.4 (0.331) 9.77 36.0 (1.417)
57 1st reducing valve spring 0.75 (0.0295) 6.0 (0.236) 12.5 25.4 (1.000)
58 Throttle accumulator A spring 1.7 (0.067) 8.0 (0.315) 9.61 36.0 (1.417)
59 Lock-up control valve spring 0.9 (0.035) 11.2 (0.441) 4.0 19.7 (0.776)
60 Modifier accumulator spring 1.7 (0.067) 8.0 (0.315) 9.61 36.0 (1.417)
61 Line pressure relief valve spring 1.6 (0.063) 8.0 (0.315) 22.5 69.3 (2.728)
62 Pilot valve spring 1.1 (0.043) 7.9 (0.311) 10.76 30.6 (1.205)
77
[W14A0]3-2SERVICE PROCEDURE
14. Control Valve Body

B: DISASSEMBLY
1) Remove oil strainer from lower control valve
body.
B3M1038A
2) Remove the duty solenoid S, solenoids and
sensor from the lower valve body.
B3M1039A
(A) Lock-up duty solenoid (Blue)
(B) Low clutch timing solenoid (Gray)
(C) Line pressure duty solenoid (Red)
(D) Shift solenoid 1 (Yellow)
(E) Shift solenoid 2 (Green)
(F) 2-4 brake timing solenoid (Black)
(G) 2-4 brake duty solenoid D (Red)
(H) ATF temperature sensor
3) Remove the upper-lower valve body tightening
bolts.
B3M1130
4) Separate the control valve body.CAUTION:
IDo not lose the ten (10) steel balls contained
in the upper valve body and middle valve body.
IDo not lose strainers contained in the lower
valve body.
NOTE:
During ordinary servicing, clean the control valve
bodies in this condition, without further disassem-
bly. In the event of a seized clutch or other
problem, disassemble the control valve bodies
further, and clean the component parts.
5) Remove upper separator plate from middle
valve body.
B3M1132A
6) Remove valve springs from upper valve body.
7) Using air compressor, remove accumulator pis-
ton from upper valve body.
B3M1133
C: INSPECTION
Make sure that each component is free of harmful
gouges, cuts, or dust.
78
3-2[W14B0]SERVICE PROCEDURE
14. Control Valve Body

7) Tighten bolts.
Tightening torque:
8
±1 N´m (0.8±0.1 kg-m, 5.8±0.7 ft-lb)
B3M1130A
(A) Short bolts
(B) Middle bolts
(C) Long bolt
(D) Reamer bolts
8) Install the sensor, solenoids and duty solenoid
S.
Tightening torque:
T: 8
±1 N´m (0.8±0.1 kg-m, 5.8±0.7 ft-lb)
B3M1039B
(A) Lock-up duty solenoid (Blue)
(B) Low clutch timing solenoid (Gray)
(C) Line pressure duty solenoid (Red)
(D) Shift solenoid 1 (Yellow)
(E) Shift solenoid 2 (Green)
(F) 2-4 brake timing solenoid (Black)
(G) 2-4 brake duty solenoid D (Red)
(H) ATF temperature sensor
9) Install oil strainer to lower valve body.
Tightening torque:
8
±1 N´m (0.8±0.1 kg-m, 5.8±0.7 ft-lb)
15. Oil Pump Assembly
A: DISASSEMBLY
1) Remove the oil seal retainer.
Also remove the O-ring and oil seal (air breather).
B3M1094A
2) Remove O-rings from oil pump housing.
CAUTION:
Be careful not to damage O-ring.
3) Remove four seal rings.
CAUTION:
Be careful not to damage O-ring.
B3M1095A
4) Remove the oil pump cover.
NOTE:
Lightly tap the end of the stator shaft to remove the
cover.
B3M1139A
80
3-2[W15A0]SERVICE PROCEDURE
15. Oil Pump Assembly

7) Tighten bolts.
Tightening torque:
8
±1 N´m (0.8±0.1 kg-m, 5.8±0.7 ft-lb)
B3M1130A
(A) Short bolts
(B) Middle bolts
(C) Long bolt
(D) Reamer bolts
8) Install the sensor, solenoids and duty solenoid
S.
Tightening torque:
T: 8
±1 N´m (0.8±0.1 kg-m, 5.8±0.7 ft-lb)
B3M1039B
(A) Lock-up duty solenoid (Blue)
(B) Low clutch timing solenoid (Gray)
(C) Line pressure duty solenoid (Red)
(D) Shift solenoid 1 (Yellow)
(E) Shift solenoid 2 (Green)
(F) 2-4 brake timing solenoid (Black)
(G) 2-4 brake duty solenoid D (Red)
(H) ATF temperature sensor
9) Install oil strainer to lower valve body.
Tightening torque:
8
±1 N´m (0.8±0.1 kg-m, 5.8±0.7 ft-lb)
15. Oil Pump Assembly
A: DISASSEMBLY
1) Remove the oil seal retainer.
Also remove the O-ring and oil seal (air breather).
B3M1094A
2) Remove O-rings from oil pump housing.
CAUTION:
Be careful not to damage O-ring.
3) Remove four seal rings.
CAUTION:
Be careful not to damage O-ring.
B3M1095A
4) Remove the oil pump cover.
NOTE:
Lightly tap the end of the stator shaft to remove the
cover.
B3M1139A
80
3-2[W15A0]SERVICE PROCEDURE
15. Oil Pump Assembly

17. High Clutch and Reverse Clutch
A: DISASSEMBLY
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
(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
85
[W17A0]3-2SERVICE PROCEDURE
17. High Clutch and Reverse Clutch

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