Subaru LEGACY 2006 Manual page 3245

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AUTOMATIC TRANSMISSION
11) Install the transmission assembly to the vehi-
cle. <Ref. to 4AT-38, INSTALLATION, Automatic
Transmission Assembly.>
C: DISASSEMBLY
1) Remove the crimped part of the lock nut, 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.
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) Front roller bearing
Drive Pinion Shaft Assembly
ST2
ST1
AT-00197
(A)
AT-00198
(A)
ST
AT-00199
4AT-90
D: ASSEMBLY
1) Measure the dimension "A" of drive pinion shaft.
ST 398643600 GAUGE
2) Using a press, press-fit the new roller bearing
into the specified position.
NOTE:
If excessive force is applied to roller bearing, the
roller bearing will not turn easily.
(A) Drive pinion shaft
(B) Roller bearing
3) After applying ATF to a new O-ring and fitting it
to the shaft, attach the drive pinion collar to shaft.
4) Install the lock washer to drive pinion shaft in the
proper direction.
A
AT-00200
(A)
(B)
AT-00201