Subaru Legacy 2004 Service Manual page 2446

AUTOMATIC TRANSMISSION
7) After the "zero" state is established, back off the
retainer LH 3 notches and secure it with the lock
plate. Then back off the retainer RH and retighten
until it stops. Rotate the drive pinion few times.
Tighten the retainer RH 1-3/4 notches further. This
sets the preload. Finally, secure the retainer with its
lock plate.
(A) Lock plate
NOTE:
Turning the retainer by one tooth changes the
backlash about 0.05 mm (0.0020 in).
(A) 0.05 mm (0.0020 in)
8) Turn the drive pinion several times with ST1 and
check to see if the backlash is within the specified
value with ST2, ST3, ST4 and ST5.
ST1 499787700 WRENCH
ST2 498247001 MAGNET BASE
ST3 498247100 DIAL GAUGE
ST4 499787500 ADAPTER
ST5 498255400 PLATE
Backlash:
0.13 — 0.18 mm (0.0051 — 0.0071 in)
9) Adjust the tooth contact between front differen-
tial and drive shaft. <Ref. to 5AT-91, ADJUST-
MENT, Drive Pinion Shaft Assembly.>
Front Differential
(A)
AT-01988
(A)
AT-01989
5AT-98