Subaru IMPREZA GD 2007 Series Manual page 2604

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10) Insert the input shaft, and check the amount of
protrusion.
NOTE:
Turn the input shaft lightly by hand while inserting.
Normal protrusion amount A:
50 — 55 mm (1.97 — 2.17 in)
A
11) Install the torque converter clutch assembly.
<Ref. to 4AT-69, INSTALLATION, Torque Convert-
er Clutch Assembly.>
12) Install the transmission assembly to the vehi-
cle. <Ref. to 4AT-39, INSTALLATION, Automatic
Transmission Assembly.>
C: DISASSEMBLY
1) Flatten the lock nut tab, and then remove the
lock nut while holding the rear spline part of the
shaft using ST1 and ST2. Pull out the drive pinion
collar.
ST1 498937110 HOLDER
ST2 499787700 WRENCH
ST3 499787500 ADAPTER
ST3
2) Remove the O-ring.
Drive Pinion Shaft Assembly
AT-02384
ST2
ST1
AT-00197
4AT-97
AUTOMATIC TRANSMISSION
3) Separate the roller bearing and outer race from
shaft using a press.
(A) Outer race
4) Separate the front roller bearing from shaft using
a press and ST.
ST 498517000 REPLACER
(A)
(A) Front roller bearing
(A)
AT-00198
ST
AT-00199