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 MSA5TCD98L21032

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SERVICE PROCEDURE [W23A0] 3-2
23. Transfer Clutch

4) Measurement of backlash (Selection of washer) 23. Transfer Clutch
Measure the gear backlash with ST1 and ST2, and
insert ST2 through the access window of the case. A: DISASSEMBLY
ST1 498247001 MAGNET BASE
ST2 498247100 DIAL GAUGE 1) Remove the seal ring.

NOTE: CAUTION:
Measure the backlash by applying a pinion tooth Be careful not to damage the seal ring.
between two bevel gear teeth.
Standard value:
0.13 -- 0.18 mm (0.0051 -- 0.0071 in)

G3M0493

2) Using a press and ST, remove the ball bearing.
CAUTION:
G3M0491
Do not reuse the bearing.
5) Install the speedometer drive gear. Then force- ST 498077000 REMOVER
fit the taper roller bearing with a press and ST.
CAUTION:
Be sure to position correctly the locking end of
the speedometer drive gear.
ST 398487700 DRIFT

G3M0494

3) Remove the snap ring, and take out the pres-
sure plate, drive plates, and driven plates.

G3M0492

G3M0495

97
3-2 [W23B0] SERVICE PROCEDURE
23. Transfer Clutch

4) Remove the snap ring with ST1, ST2 and ST3, (1) Connect transfer piston to rear drive shaft
and take out the spring retainer. (until it reaches hole in valve body).
ST1 399893600 PLIERS (2) Install spring retainer to transfer piston.
ST2 398673600 COMPRESSOR (3) Using ST1, ST2 and ST3, attach transfer
ST3 498627000 SEAT piston seal to ST2.
CAUTION:
Be careful not to tilt transfer piston seal.
ST1 499247400 INSTALLER
ST2 499257400 PISTON GUIDE
ST3 498267400 TABLE

G3M0496

5) Apply compressed air to the rear drive shaft to
remove the piston.

G3M0499

(4) Place ST3 onto rear drive shaft so that
spring can be inserted into hole in transfer pis-
ton seal.
(5) Attach ST2 to rear drive shaft. Using ST1,
press into place.
CAUTION:
G3M0497 Do not allow lip of transfer piston seal to fold
back.
B: INSPECTION ST1 499247400 INSTALLER
ST2 499257300 SNAP RING OUTER GUIDE
1) Check the drive plate facing for wear and dam-
ST3 499257400 PISTON GUIDE
age.
2) Check the snap ring for wear, return spring for
permanent set and breakage, and spring retainer
for deformation.
3) Check the lathe cut ring for damage.

C: ASSEMBLY
1) Install the lathe cut seal ring to the I.D./O.D. of
the transfer clutch piston.

G3M0500

G3M0498

2) Install piston.

98
SERVICE PROCEDURE [W23C0] 3-2
23. Transfer Clutch

3) Install the driven plates, drive plates, and pres- Available pressure plates
sure plate, and secure with a snap ring with ST1, Part No. Thickness mm (in)
ST2 and a press. 31593AA151 3.3 (0.130)
ST1 398673600 COMPRESSOR 31593AA161 3.7 (0.146)
ST2 498627000 SEAT 31593AA171 4.1 (0.161)
31593AA181 4.5 (0.177)

6) Press-fit the ball bearing with ST.
ST 899580100 INSTALLER

G3M0501

4) Apply compressed air to see if the assembled
parts move smoothly.
G3M0505

7) Coat the seal ring with vaseline, and install it in
the seal ring groove of the shaft.
CAUTION:
Do not expand the seal ring excessively when
installing.
ST 899580100 INSTALLER

G3M0502

5) Check the clearance.
NOTE:
Before measuring clearance, place the same thick-
ness of shim on both sides to prevent pressure
plate from tilting.
If the clearance is not within the specified range,
G3M0493
select a proper pressure plate.
Standard value:
0.2 -- 0.6 mm (0.008 -- 0.024 in)
Allowable limit:
1.6 mm (0.063 in)

G3M0503

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