1997 SUBARU LEGACY height adjustment

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.
73
3-2SERVICE PROCEDURE
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.
73
3-2SERVICE PROCEDURE
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.
73
3-2SERVICE PROCEDURE
4. Overall Transmission

E: ASSEMBLY
1) Precautions for assembling
(1) Assemble in the reverse order of disassembling.
(2) Check and adjust each part during assembly.
(3) Keep the shims and washers in order, so that they
are not misinstalled.
(4) Thoroughly clean the surfaces on which the shims,
washers and bearings are to be installed.
(5) Apply gear oil when installing the bearings and
thrust washers.
(6) Be careful not to mix up the right and left hand cups
of the bearings.
G3M0079
(7) Replace the oil seal with new one at every disas-
sembly. Apply chassis grease between the lips when
installing the oil seal.
G3M1037
2) Adjusting preload for front and rear bearings
Adjust the bearing preload with spacer and washer
between front and rear bearings. Pinion height adjusting
washer are not affected by this adjustment. The adjustment
must be carried out without oil seal inserted.
(1) Press rear bearing race into differential carrier with
ST1 and ST2.
ST1 398477701 HANDLE
ST2 398427703 DRIFT 2
G3M0081
(2) Insert ST1 into case with pinion height adjusting
washer and rear bearing cone fitted onto it.
CAUTION:
Re-use the used washer if not deformed.
Use a new rear bearing cone.
(3) Then install preload adjusting spacer and washer,
front bearing cone, ST2, companion flange, and washer
and drive pinion nut.
ST1 398507702 DUMMY SHAFT
ST2 398507703 DUMMY COLLAR
27
3-4SERVICE PROCEDURE
2. Rear Differential

G3M1047
15) Re-check crown gear-to-pinion backlash.
Backlash:
0.10—0.20 mm (0.0039—0.0079 in)
G3M1048
16) Check the crown gear runout on its back surface, and
make sure pinion and crown gear rotate smoothly.
Limit of runout:
0.05 mm (0.0020 in)
17) Checking and adjusting tooth contact of crown gear
(1) Apply an even coat of red lead on both sides of
three or four teeth on the crown gear. Check the con-
tact pattern after rotating crown gear several revolu-
tions back and forth until a definite contact pattern
appears on the crown gear.
(2) When the contact pattern is incorrect, readjust
according to the instructions given in“TOOTH CON-
TACT PATTERN”.
NOTE:
Be sure to wipe off red lead completely after adjustment is
completed.
18) If proper tooth contact is not obtained, once again
adjust the drive pinion height and the differential side bear-
ing preload (mentioned above) and the hypoid gear back-
lash.
35
3-4SERVICE PROCEDURE
2. Rear Differential

TOOTH CONTACT PATTERN
Condition Contact pattern Adjustment
Correct tooth contact
Tooth contact pattern slightly shifted
towards toe under no load rotation.
(When loaded, contact pattern moves
toward heel.)
B3M0317A
Face contact
Backlash is too large.This may cause noise and chipping at
tooth ends.
B3M0319
Increase thickness of drive pinion height
adjusting shim in order to bring drive
pinion closer to crown gear center.
B3M0323
Flank contact
Backlash is too small.This may cause noise and stepped wear
on surfaces.
B3M0320
Reduce thickness of drive pinion height
adjusting shim in order to move drive
pinion away from crown gear.
B3M0324
Toe contact
Contact area is small.This may cause chipping at toe ends.
B3M0321
Adjust as for flank contact.
B3M0324
Heel contact
Contact area is small.This may cause chipping at heel ends.
B3M0322
Adjust as for face contact.
B3M0323
: Adjusting direction of drive pinion
: Adjusting direction of crown gear
36
3-4SERVICE PROCEDURE
2. Rear Differential

B4M0567A
2. CAMBER AND CASTER

Inspection
1) Place front wheel on turning radius gauge. Make sure
ground contacting surfaces of front and rear wheels are set
at the same height.
2) Set ST into the center of the wheel, and then install the
wheel alignment gauge.
ST 927380000 ADAPTER
NOTE:
Refer to the“SPECIFICATIONS AND SERVICE DATA”for
the camber and caster values.

Front camber adjustment
1) Loosen two self-locking nuts located at lower front por-
tion of strut.
CAUTION:

When adjusting bolt needs to be loosened or
tightened, hold its head with a wrench and turn self-
locking nut.

Discard loosened self-locking nut and replace with a
new one.
B4M0189A
2) Turn camber adjusting bolt so that camber is set at the
specification.
NOTE:
Moving the adjusting bolt by one scale graduation changes
camber by approximately 0°10′.
9
4-1SERVICE PROCEDURE
1. On-car Services

G4M0482

Adjustment
1) Loosen the left and right side steering tie-rods lock nuts.
2) Turn the left and right tie rods equal amounts until the
toe-in is at the specification.
Both the left and right tie-rods are right-hand threaded. To
increase toe-in, turn both tie-rods clockwise equal amounts
(as viewed from the inside of the vehicle).
3) Tighten tie-rod lock nut.
Tightening torque:
83±5 N⋅m (8.5±0.5 kg-m, 61.5±3.6 ft-lb)
CAUTION:
Correct tie-rod boot, if it is twisted.
NOTE:
Check the left and right wheel steering angle is within
specifications.
M4A0059
4. REAR WHEEL TOE-IN (FWD MODEL)

Inspection
1) Using a toe-in gauge, measure rear wheel toe-in.
Toe-in: 0±3 mm (0±0.12 in)
2) Mark rear sides of left and right tires at height corre-
sponding to center of spindles and measure distance“B”
between marks.
3) Move vehicle forward so that marks line up with front
sides at height corresponding to center of spindles.
4) Measure distance“A”between left and right marks.
Toe-in can then be obtained by the following equation:
BA = Toe-in
G4M0483

Adjustment
1) Remove cap from lateral link and loosen self-locking
nut.
CAUTION:

When loosening or tightening adjusting bolt, hold
the bolt head and loosen self-locking nut.

Replace self-locking nut with a new one.
2) Using two wrenches, turn adjusting wheel and adjusting
bolt equally in opposite directions so that toe-in is at the
specification.
11
4-1SERVICE PROCEDURE
1. On-car Services