Subaru IMPREZA GD 2007 Series Manual page 2614

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5) Rotate the drive pinion a few times using ST1
and ST2.
ST1 498937110 HOLDER
ST2 499787700 WRENCH
6) Tighten the LH retainer by rotating the shaft until
resistance is felt. Then loosen the retainer RH.
Keep tightening the retainer LH, and loosening the
retainer RH until the pinion shaft no longer be
turned. This is the "zero" state.
(A)
(A) Retainer
7) After the "zero" state is established, loosen the
retainer LH by 3 notches and secure it with the lock
plate. Then loosen the retainer RH and retighten
until it stops. Rotate the drive pinion 2 or 3 times.
Tighten the retainer RH further 1-3/4 notches. This
sets the preload. Finally, secure the retainer with its
lock plate.
(A)
(A) Lock plate
Front Differential Assembly
NOTE:
Turning the retainer by one tooth changes the
backlash approx. 0.05 mm (0.0020 in).
ST2
ST1
AT-00206 8) Turn the drive pinion a few times with ST1 and
check to see if the backlash is within the specified
value, using ST2, ST3, ST4 and ST5.
ST1 499787700
ST2 498247001
ST3 498247100
ST4 499787500
ST5 498255400
Backlash:
AT-00229
9) Adjust the teeth contact of the front differential
and drive shaft. <Ref. to 4AT-99, ADJUSTMENT,
Drive Pinion Shaft Assembly.>
AT-00214
4AT-107
AUTOMATIC TRANSMISSION
0.05 mm
(0.0020 in)
WRENCH
MAGNET BASE
DIAL GAUGE
ADAPTER
PLATE
0.13 — 0.18 mm (0.0051 — 0.0071 in)
ST1
ST3
AT-00230
ST4
ST5
ST2
AT-00231