1997 SUBARU LEGACY service

(2) Measure the distance from the oil pump housing
mating surface to the top surface of the oil pump cover
with needle bearing, and to the thrust surface of the
reverse clutch.
G3M0420
(3) Equation for calculation
Total end play
Unit: mm
C = (L + 0.4)
C : Clearance between concave portion of high clutch
and end of clutch drum support
L : Length from case mating surface to concave portion
of high clutch
0.4 : Gasket thickness
: Height from housing mating surface to upper surface
of clutch drum support
Select suitable bearing race from
among those listed in this table
so that clearance C is in the 0.25—
0.55 mm (0.0098—0.0217 in) range.Part No. Thickness mm (in)
803031021
803031022
803031023
803031024
803031025
803031026
8030310270.8 (0.031)
1.0 (0.039)
1.2 (0.047)
1.4 (0.055)
1.6 (0.063)
1.8 (0.071)
2.0 (0.079)
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4. Overall Transmission

Reverse clutch end play
Unit: mm
C = (M + 0.4)m
C : Clearance between oil pump housing hose and end
of reverse clutch
M : Distance from case mating surface to upper surface
of reverse clutch
0.4 : Gasket thickness
m : Height from housing mating surface to thrust-receiv-
ing area of reverse clutch
Select suitable thrust washer from
among those listed in this table so that
clearance C is in the 0.55—0.90 mm
(0.0217—0.0354 in) range.Part No. Thickness mm (in)
31299AA000
31299AA010
31299AA020
31299AA030
31299AA040
31299AA050
31299AA0600.7 (0.028)
0.9 (0.035)
1.1 (0.043)
1.3 (0.051)
1.5 (0.059)
1.7 (0.067)
1.9 (0.075)
G3M0423
24) Install the oil pump housing assembly.
(1) After completing end play adjustment, insert the
bearing race in the recess of the high clutch. Attach the
thrust washer and thrust needle bearing to the oil pump
cover with vaseline.
(2) After correctly installing the gasket to the case mat-
ing surface, carefully install the oil pump housing
assembly. Be careful to avoid hitting the drive pinion
against the inside of the case.
CAUTION:
Be careful not to damage the seal ring.
Be sure to use a new gasket.
G3M0423
(3) Install both parts with dowel pins aligned. Make
sure no clearance exists at the mating surface.
NOTE:
Any clearance suggests a damaged seal ring.
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3-2SERVICE PROCEDURE
4. Overall Transmission

G3M0424
(4) Secure the housing with two nuts.
Tightening torque:
41±3 N⋅m (4.2±0.3 kg-m, 30.4±2.2 ft-lb)
G3M0394
3. TORQUE CONVERTER CLUTCH CASE AND
TRANSMISSION CASE
1) Apply proper amount of liquid gasket (THREE BOND
Part No. 1215) to the entire torque converter clutch case
mating surface.
NOTE:
Make sure that the rubber seal and seal pipe are fitted in
position.
G3M0335
2) Install the torque converter clutch case assembly to the
transmission case assembly, and secure with six bolts and
four nuts.
Tightening torque:
41±3 N⋅m (4.2±0.3 kg-m, 30.4±2.2 ft-lb)
CAUTION:
When installing, be careful not to damage the torque
converter clutch case bushing and oil seal.
G3M0425
4. CONTROL VALVE AND OIL PAN
1) Install four accumulators with oil pans facing upward.
CAUTION:
Be careful not to confuse the springs and installation
positions.
Spring specification
Unit: mm (in)
Accumulator spring Outer diameter Free length
1—2 28.5 (1.122) 44.5 (1.752)
2—3 20.5 (0.807) 31.0 (1.220)
3—4 17.3 (0.681) 43.7 (1.720)
N—D 17.8 (0.701) 36.5 (1.437)
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4. Overall Transmission

G3M0367
2) Install and route the transmission harness.
CAUTION:
Be careful not to damage the harness.
B3M0418A
3) Install the control valve assembly.
(1) Set the select lever in range“2”.
(2) Install the two brackets, ATF temperature sensor
and the control valve by engaging the manual valve and
manual lever, then tighten the 17 bolts.
Tightening torque:
8±1 N⋅m (0.8±0.1 kg-m, 5.8±0.7 ft-lb)
CAUTION:
Be careful not to pinch the harness roll the gasket.
Tighten the control valve mounting bolts evenly.
B3M0419A
4) Install the oil strainer to the control valve. Be careful not
to cut or break the O-ring. Then tighten four bolts.
Tightening torque:
8±1 N⋅m (0.8±0.1 kg-m, 5.8±0.7 ft-lb)
B3M0420A
5) Secure four connectors.
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3-2SERVICE PROCEDURE
4. Overall Transmission

G3M0345
6) Install the oil cooler outlet pipe, and secure with two
bolts.
Tightening torque:
8±1 N⋅m (0.8±0.1 kg-m, 5.8±0.7 ft-lb)
CAUTION:
Fit the pipe into position. Be careful to avoid twisting.
G3M0427
7) Install the oil pan.
(1) Attach the magnet at the specified position.
G3M0428
(2) With gasket inserted, secure the oil pan by tighten-
ing 20 bolts.
Tightening torque:
4.9±0.5 N⋅m (0.50±0.05 kg-m, 3.6±0.4 ft-lb)
NOTE:
Tighten the bolts evenly.
G3M0867
5. EXTENSION SECTION
NOTE:
When installing new oil seal into extension case, press it
with ST.
ST 498057300 INSTALLER
1) Install the filter in the extension case.
NOTE:
Pay attention to the orientation of the filter.
2) Install the transfer clutch valve assembly, transfer pipe,
and the stay then secure with five bolts.
Tightening torque:
8±1 N⋅m (0.8±0.1 kg-m, 5.8±0.7 ft-lb)
CAUTION:
Be sure to tighten the going lead with one of these
bolts.
Be sure to use a new gasket.
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3-2SERVICE PROCEDURE
4. Overall Transmission

G3M0894
3) Install the transfer clutch assembly to the case.
CAUTION:
Be careful not to damage the seal rings.
NOTE:
Insert the clutch assembly fully into position until the bear-
ing shoulder bottoms.
G3M0429
6. CONNECTION OF EACH SECTION
1) Install vehicle speed sensor 1 on transmission case.
[FWD only]
Tightening torque:
7±1 N⋅m (0.7±0.1 kg-m, 5.1±0.7 ft-lb)
2) Install oil pipe.
G3M0339
3) Install the reduction driven gear.
4) Install the parking pawl and shaft, set the select lever in
the“P”range and tighten the drive pinion lock nut.
Tightening torque:
98±5 N⋅m (10.0±0.5 kg-m, 72.3±3.6 ft-lb)
NOTE:
After tightening, stake the lock nut securely.
G3M0895
5) Install the reduction drive gear assembly.
CAUTION:
Align mark on reduction drive gear with mark on driven
gear during installation.
NOTE:
Insert it fully into position until the bearing shoulder bot-
toms.
G3M0430
6) Measurement and adjustment of extension end play
(1) Measure distance L from end of extension case and
rear drive shaft with ST. (On FWD models, measure
distance from end of case to point at bearing location.)
ST 398643600 GAUGE
Unit: mm
L = Measured value15
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4. Overall Transmission

G3M0431
(2) Measure the distance“”from the transmission
case mating surface to the reduction drive gear end
surface with ST1 and ST2. (On FWD models, measure
distance from end of case to end of bearing.)
Unit: mm
= Measured value50
ST1 398643600 GAUGE
ST2 499577000 GAUGE
(3) Calculation equation:
Unit: mm
T = (L + 0.4)
T : Clearance between end of reduction drive gear
and end of rear drive shaft. (Clearance between
end of reduction drive gear and end of bearing on
FWD model)
L : Distance from end of extension case to end of
rear drive shaft. (Distance from end of case to
point at bearing location)
0.4: Gasket thickness
: Height from end of transmission case to end of
reduction drive gear. (Height from end of case to
end of bearing on FWD models)
Select suitable thrust needle bearing from among those
listed in the following table to adjust clearance in the
0.05—0.20 mm (0.0020—0.0079 in) range.
AWD: Thrust needle bearingPart No. Thickness mm (in)
806536020
806535030
806535040
806535050
806535060
806535070
8065350903.8 (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)
FWD: Reduction gear shimPart No. Thickness mm (in)
31288AA000 0.15 (0.0059)
Select from one to five shims so that clearance is within
specifications.
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3-2SERVICE PROCEDURE
4. Overall Transmission

G3M0896
7) Installation of extension case (AWD), transmission
cover (FWD) and transmission case.
AWD model:
(1) Attach the selected thrust needle bearing to the end
surface of reduction drive gear with vaseline.
(2) Set the parking return spring.
(3) Remove the transfer clutch from the extension
case.
Set the needle bearing on the reduction drive shaft and
then install transfer clutch to the transfer clutch hub.
NOTE:
Be sure to engage the spline teeth correctly.
(4) With gasket inserted between them, install the
extension case to the transmission case.
CAUTION:
Be sure to use a new gasket.
After inserting the extension case halfway, connect
the connector for duty solenoid C. Be careful not to
jam the cord in the case.
Be careful not to damage the rear drive shaft seal
ring.
(5) Tighten bolts to secure the case.
Tightening torque:
25±2 N⋅m (2.5±0.2 kg-m, 18.1±1.4 ft-lb)
FWD model:
(1) Attach selected shim to transmission cover using
vaseline.
(2) Set the parking return spring.
(3) After positioning gasket, assemble transmission
cover and transmission case.
NOTE:
While aligning bearings, parking shaft, reduction driven
gear, etc. assemble the two cases.
(4) Tighten bolts.
Tightening torque:
25±2 N⋅m (2.5±0.2 kg-m, 18.1±1.4 ft-lb)
G3M0336
7. EXTERNAL PARTS
1) Install the vehicle speed sensor 1. (AWD only)
Tightening torque:
7±1 N⋅m (0.7±0.1 kg-m, 5.1±0.7 ft-lb)
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3-2SERVICE PROCEDURE
4. Overall Transmission