Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Subaru Legacy 1995-1999 Approved Subaru Legacy 1998 1998 Service Manual TRANSMISSION AND DIFFERENTIAL SECTION AUTOMATIC TRANSMISSION AND DIFFERENTIAL MSA5TCD98L21028
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SERVICE PROCEDURE [W19B0] 3-2
19. Forward Clutch Drum
19. Forward Clutch Drum 6) Install the one-way clutch inner race to the for-
ward clutch drum, and apply compressed air to
A: DISASSEMBLY remove the overrunning piston and forward piston.
1) Remove two snap rings from the forward clutch
drum.
G3M0474
7) Remove the one-way clutch after taking out the
G3M0471
snap ring.
2) Remove the retaining plate, drive plates, driven
plates and dish plate. (Forward clutch)
3) Remove the snap ring from the forward clutch
drum.
G3M0475
8) Remove the needle bearing after taking out the
snap ring.
G3M0472
4) Remove the retaining plate, drive plates, driven
plates and dish plate. (Overrunning clutch)
5) Compress the spring retainer, and remove the
snap ring from the forward clutch, by using ST1
and ST2.
ST1 498627100 SEAT
ST2 398673600 COMPRESSOR
G3M0476
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
G3M0473
4) Piston and drum check ball for operation
91
3-2 [W19C0] SERVICE PROCEDURE
19. Forward Clutch Drum
C: ASSEMBLY
H3M1264C
(1) Snap ring (11) Dish plate (21) Snap ring
(2) Snap ring (12) Lathe cut seal ring (22) Needle bearing
(3) Retaining plate (13) Forward clutch piston (23) Sleeve
(4) Driven plate (Thicker) (14) Lathe cut seal ring (24) Lathe cut seal ring
(5) Driven plate (Thinner) (15) Drift ball (25) Overrunning clutch piston
(6) Dish plate (16) Forward clutch drum (26) Bushing
(7) Snap ring (17) Outer race (27) Snap ring
(8) Retaining plate (18) Snap ring (28) Retainer
(9) Drive plate (19) Plate
(10) Driven plate (20) O.W.C. (1-2)
1) Fit the forward piston and overrunning piston to 2) Set the retainer on the piston with a press using
the forward clutch drum. ST1 and ST2, and attach the snap ring.
NOTE: ST1 498627000 SEAT
Align the forward piston cut-out portion with the ST2 398673600 COMPRESSOR
spline of the drum.
G3M0473
G3M0478
92
SERVICE PROCEDURE [W19C0] 3-2
19. Forward Clutch Drum
3) Install the dish plate, driven plates, drive plates, 6) Check the forward clutch and overrunning
and retaining plate, and secure with the snap ring. clutch for operation.
(Overrunning clutch) Set the one-way clutch inner race, and apply com-
NOTE: pressed air for checking.
Pay attention to the orientation of the dish plate.
G3M0474
G3M0479 7) Checking forward clutch clearance.
4) Install the dish plates, driven plates, drive NOTE:
plates, and retaining plate, and secure with the Before measuring clearance, place the same thick-
snap ring. (Forward clutch) ness of shim on both sides to prevent retaining
NOTE: plate from tilting.
Pay attention to the orientation of the dish plate. 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:
0.45 -- 0.85 mm (0.0177 -- 0.0335 in)
Allowable limit:
1.6 mm (0.063 in)
G3M0480
5) Install the snap ring (for front planetary carrier).
G3M0482
Available retaining plates (Forward clutch)
Part No. Thickness mm (in)
31567AA270 4.0 (0.157)
31567AA280 4.2 (0.165)
G3M0481 31567AA290 4.4 (0.173)
31567AA300 4.6 (0.181)
31567AA310 4.8 (0.189)
31567AA320 5.0 (0.197)
31567AA330 5.2 (0.205)
8) Checking overrunning clutch clearance
NOTE:
Before measuring clearance, place the same thick-
ness of shim on both sides to prevent retaining
plate from tilting.
93
3-2 [W20A0] SERVICE PROCEDURE
20. One-way Clutch Outer Race
If the clearance is out of the specified range, select 20. One-way Clutch Outer Race
a proper retaining plate so that the standard clear-
ance can be obtained. A: DISASSEMBLY
Standard value: Remove the snap ring. Then remove the one-way
1.0 -- 1.4 mm (0.039 -- 0.055 in) clutch (3-4).
Allowable limit:
2.0 mm (0.079 in)
Available retaining plates (Overrunning clutch)
Part No. Thickness mm (in)
31567AA120 8.0 (0.315)
31567AA130 8.2 (0.323)
31567AA140 8.4 (0.331)
31567AA150 8.6 (0.339)
31567AA160 8.8 (0.346)
31567AA170 9.0 (0.354)
G3M0911
31567AA180 9.2 (0.362)
9) Install the needle bearing, and secure with the
snap ring. B: INSPECTION
Check the sliding surface and one-way clutch (3-4)
for any harmful cuts, damage, or other faults.
C: ASSEMBLY
1) Assemble the one-way clutch (3-4), and secure
with the snap ring.
NOTE:
Pay attention to the orientation of the one-way
clutch (3-4).
G3M0476 2) Assemble the rear internal gear, and secure the
outer race. Make sure that the internal gear is
10) Install the one-way clutch (1-2) and plate, and locked in the clockwise direction, and free to rotate
secure with the snap ring. in the counterclockwise direction.
NOTE:
Set the inner race. Make sure that the forward
clutch is free in the clockwise direction and locked
in the counterclockwise direction, as viewed from
the front of the vehicle.
G3M0486
G3M0484
94
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